Merge upstream main into PR #1206 for integration review

src/annotations/drawMarks.js

@@ -0,0 +1,76 @@
+/**
+ * The shapes drawn by hand, as UTILITIES ▸ Draw lists them: one row per shape
+ * with its colour, its name, and show/hide, fly-to and remove, the way Import
+ * lists its files. The board is the annotation engine's; voice marks are not
+ * listed, only `manual` ones.
+ */
+import { msg, t } from '../i18n/index.js';
+
+export const DRAW_COLORS = Object.freeze([
+  'primary',
+  'amber',
+  'cyan',
+  'green',
+  'red',
+]);
+/** Each colour as drawn: the preview, the swatches and the drawn shape. */
+export const DRAW_COLOR_CSS = Object.freeze({
+  primary: '#8be9ff',
+  amber: '#ffb547',
+  cyan: '#39d0ff',
+  green: '#5dff9f',
+  red: '#ff6b6b',
+});
+export const DRAW_COLOR_NAMES = Object.freeze({
+  primary: msg('Primary'),
+  amber: msg('Amber'),
+  cyan: msg('Cyan'),
+  green: msg('Green'),
+  red: msg('Red'),
+});
+const SHAPE_NAMES = Object.freeze({
+  area: msg('Area'),
+  route: msg('Line'),
+  pin: msg('Pin'),
+});
+
+/** What a row calls a shape that has no name of its own. */
+export function drawMarkFallbackName(mark) {
+  const shape = t(SHAPE_NAMES[mark?.type] || SHAPE_NAMES.pin);
+  // An unnamed line's label is its length; keep it, it is the useful part.
+  return mark?.type === 'route' && !mark.name && mark.label
+    ? `${shape} · ${mark.label}`
+    : shape;
+}
+
+/**
+ * The rows for the hand-drawn marks on the board, in board order. Text is
+ * worded here, in the current language; the view only lays it out.
+ * @param {object[]} marks The engine's `list()`.
+ */
+export function presentDrawMarks(marks = []) {
+  return marks
+    .filter((mark) => mark?.manual === true)
+    .map((mark) => {
+      const fallback = drawMarkFallbackName(mark);
+      const title = mark.name || fallback;
+      const visible = !mark.hidden;
+      return {
+        id: mark.id,
+        name: mark.name || '',
+        placeholder: fallback,
+        color: DRAW_COLORS.includes(mark.color) ? mark.color : 'primary',
+        hidden: !visible,
+        labels: {
+          name: t('Name of {name}', { name: title }),
+          swatch: t('Change the colour of {name}', { name: title }),
+          colors: t('Colour of {name}', { name: title }),
+          toggle: visible
+            ? t('Hide {name}', { name: title })
+            : t('Show {name}', { name: title }),
+          fly: t('Fly to {name}', { name: title }),
+          remove: t('Remove {name}', { name: title }),
+        },
+      };
+    });
+}

src/annotations/drawMarks.test.mjs

@@ -0,0 +1,80 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  DRAW_COLORS,
+  DRAW_COLOR_CSS,
+  drawMarkFallbackName,
+  presentDrawMarks,
+} from './drawMarks.js';
+
+test('an unnamed shape is called by its kind, and an unnamed line by its length too', () => {
+  assert.equal(drawMarkFallbackName({ type: 'area' }), 'Area');
+  assert.equal(drawMarkFallbackName({ type: 'pin' }), 'Pin');
+  assert.equal(
+    drawMarkFallbackName({ type: 'route', label: '300 m' }),
+    'Line · 300 m',
+  );
+  assert.equal(
+    drawMarkFallbackName({
+      type: 'route',
+      name: 'Walk',
+      label: 'Walk — 300 m',
+    }),
+    'Line',
+  );
+});
+
+test('rows list only hand-drawn marks, in board order, with their words', () => {
+  const rows = presentDrawMarks([
+    {
+      id: 'a1',
+      type: 'route',
+      manual: true,
+      name: null,
+      label: '950 m',
+      color: 'amber',
+    },
+    { id: 'a2', type: 'area', manual: false, label: 'Texas', color: 'primary' },
+    {
+      id: 'a3',
+      type: 'pin',
+      manual: true,
+      name: 'Camp',
+      color: 'teal',
+      hidden: true,
+    },
+  ]);
+  assert.deepEqual(
+    rows.map(({ id, name, placeholder, color, hidden }) => ({
+      id,
+      name,
+      placeholder,
+      color,
+      hidden,
+    })),
+    [
+      {
+        id: 'a1',
+        name: '',
+        placeholder: 'Line · 950 m',
+        color: 'amber',
+        hidden: false,
+      },
+      {
+        id: 'a3',
+        name: 'Camp',
+        placeholder: 'Pin',
+        color: 'primary',
+        hidden: true,
+      },
+    ],
+  );
+  assert.equal(rows[0].labels.toggle, 'Hide Line · 950 m');
+  assert.equal(rows[1].labels.toggle, 'Show Camp');
+  assert.equal(rows[1].labels.fly, 'Fly to Camp');
+  assert.equal(rows[1].labels.colors, 'Colour of Camp');
+});
+
+test('every colour has its swatch', () => {
+  assert.deepEqual(Object.keys(DRAW_COLOR_CSS), [...DRAW_COLORS]);
+});

src/annotations/drawMode.js

@@ -21,6 +21,7 @@ import { t, tn } from '../i18n/index.js';
  */
 
 import { greatCircleMeters } from '../geoDistance.js';
+import { formatDistanceText } from '../data/distanceFormat.js';
 
 export const DRAW_SHAPES = Object.freeze(['area', 'line', 'pin']);
 export const MIN_VERTICES = Object.freeze({ area: 3, line: 2, pin: 1 });
@@ -207,17 +208,16 @@ export function ringCentroid(vertices) {
 export function formatMeasure(session) {
   if (!session) return '';
   if (session.shape === 'line') {
-    const m = pathLengthM(session.vertices);
-    // Round before the kilometre cut. 999.6 m was printed as "1000 m".
-    const whole = Math.round(m);
-    if (whole < 1000) return `${whole} m`;
-    return `${(m / 1000).toFixed(m >= 10000 ? 0 : 1)} km`;
+    return formatDistanceText(pathLengthM(session.vertices)) ?? '';
   }
   if (session.shape === 'area') {
     const m2 = ringAreaM2(session.vertices);
-    if (m2 >= 1e6) return `${(m2 / 1e6).toFixed(2)} km²`;
-    if (m2 >= 1e4) return `${(m2 / 1e4).toFixed(1)} ha`;
-    return `${Math.round(m2)} m²`;
+    // Round before each unit cut, as for a line. 9,999.6 m² was "10000 m²".
+    const whole = Math.round(m2);
+    const ha = (m2 / 1e4).toFixed(1);
+    if (whole < 1e4) return `${whole} m²`;
+    if (Number(ha) < 100) return `${ha} ha`;
+    return `${(m2 / 1e6).toFixed(2)} km²`;
   }
   return '';
 }

src/annotations/drawMode.test.mjs

@@ -345,3 +345,51 @@ test('a line that rounds up to a kilometre reads 1.0 km, not 1000 m', () => {
   assert.equal(formatMeasure(line), '1.0 km');
   assert.match(drawHint(line), /^1\.0 km · /);
 });
+
+test('a line that rounds to 10.0 km reads in whole kilometres', () => {
+  const metresPerDegree = (6371.0088 * 1000 * Math.PI) / 180;
+  const line = createDrawSession('line');
+  addVertex(line, { lon: 0, lat: 0 });
+  addVertex(line, { lon: 0, lat: 9960 / metresPerDegree });
+  assert.equal(formatMeasure(line), '10 km');
+});
+
+test('an area that rounds up to the next unit reads in that unit', () => {
+  // A square on the equator whose shoelace area is about `m2`.
+  const square = (m2) => {
+    const side = Math.sqrt(m2) / 111320;
+    const area = createDrawSession('area');
+    for (const [lon, lat] of [
+      [0, 0],
+      [side, 0],
+      [side, side],
+      [0, side],
+    ])
+      addVertex(area, { lon, lat });
+    return area;
+  };
+  const almostHectare = square(9999.6);
+  const metres = ringAreaM2(almostHectare.vertices);
+  assert.ok(
+    metres >= 9999.5 && metres < 1e4,
+    `area should round to 10000 m², got ${metres}`,
+  );
+  assert.equal(formatMeasure(almostHectare), '1.0 ha');
+  assert.match(drawHint(almostHectare), /^1\.0 ha · /);
+  assert.equal(formatMeasure(square(9999.4)), '9999 m²');
+  // Pin the shoelace area too, so a geodesy change fails here and not as a unit.
+  const almostKm2 = square(999_960);
+  const nearKm2 = ringAreaM2(almostKm2.vertices);
+  assert.ok(
+    nearKm2 >= 999_500 && nearKm2 < 1e6,
+    `area should round to 100.0 ha, got ${nearKm2}`,
+  );
+  assert.equal(formatMeasure(almostKm2), '1.00 km²');
+  const under = square(999_400);
+  const underM2 = ringAreaM2(under.vertices);
+  assert.ok(
+    underM2 >= 998_500 && underM2 < 999_500,
+    `area should round to 99.9 ha, got ${underM2}`,
+  );
+  assert.equal(formatMeasure(under), '99.9 ha');
+});

src/annotations/drawTool.js

@@ -1,9 +1,10 @@
 /**
  * Manual whiteboard drawing: the Cesium + DOM half.
  *
- * DISPLAY ▸ Draw turns the globe into a whiteboard you draw on by hand: pick a
- * shape (area, line or pin), click the vertices on the real world, double-click
- * or press Enter to finish, type a label. Each finished shape goes through the
+ * UTILITIES ▸ Draw turns the globe into a whiteboard you draw on by hand: pick a
+ * shape (area, line or pin) and a colour, click the vertices on the real world,
+ * double-click or press Enter to finish, then name, recolour, hide, fly to or
+ * remove the shape from its row (drawMarks.js). Each finished shape goes through the
  * SAME `annotationEngine.annotate()` the voice agent uses, with its geometry
  * supplied and `manual: true`, so it renders with the whiteboard look,
  * persists, de-dups, shows up in `.list()`, and clears with the board.
@@ -30,7 +31,6 @@
  * at finish, deliberately and in one place — see `finishSpec` in drawMode.js.
  */
 import * as Cesium from 'cesium';
-import { createSegmentedControl } from '../ui/segmentedControl.js';
 import { pickWorldFromScreen } from './annotationResolver.js';
 import {
   claimPointer,
@@ -50,41 +50,44 @@ import {
   removeLastVertex,
 } from './drawMode.js';
 
-import { msg, registerUnsavedWork, t, translateKnown } from '../i18n/index.js';
+import { DRAW_COLORS, DRAW_COLOR_CSS, presentDrawMarks } from './drawMarks.js';
+
+import { onLocaleChange, t, translateKnown } from '../i18n/index.js';
 /** The id this tool claims the pointer under. */
 const DRAW_POINTER_OWNER = 'draw';
 const PREVIEW_DATA_SOURCE_NAME = 'gev-draw-preview';
 
-const COLORS = ['primary', 'amber', 'cyan', 'green', 'red'];
-const PREVIEW = {
-  primary: '#8be9ff',
-  amber: '#ffb547',
-  cyan: '#39d0ff',
-  green: '#5dff9f',
-  red: '#ff6b6b',
-};
+const PREVIEW = DRAW_COLOR_CSS;
 
 /**
- * Wire the Draw control. Returns a handle with a `destroy()` the application
+ * Run the Draw control. Returns a handle with a `destroy()` the application
  * lifetime owns, plus the console/test seam (`window.__gevDrawTool`).
- * @param {{viewer: Cesium.Viewer, annotations: {annotate: Function, clear: Function}}} deps
+ * The tool hands what the controls show (`{ active, shape, color, hint,
+ * marks }`) to `publish`, which the view renders, and answers the controls
+ * through the actions it gives `connect`, which returns their disconnect.
+ * A row's fly-to is an immediate navigation through `navigation`, like
+ * Import's, so Cockpit can refuse it and a running orbit or follow lets go.
+ * @param {{viewer: Cesium.Viewer, annotations: {annotate: Function, clear: Function}, navigation?: object, publish?: Function, connect?: Function}} deps
  * @returns {{destroy: Function}|null}
  */
-export function initDrawTool({ viewer, annotations }) {
-  const toggle = document.getElementById('draw-toggle');
-  const modeRow = document.getElementById('draw-mode-row');
-  const labelRow = document.getElementById('draw-label-row');
-  const labelInput = document.getElementById('draw-label-input');
-  const colorSelect = document.getElementById('draw-color-select');
-  const clearButton = document.getElementById('draw-clear');
-  const hint = document.getElementById('draw-hint');
-  if (!viewer || !annotations || !toggle) return null;
+export function initDrawTool({
+  viewer,
+  annotations,
+  navigation = null,
+  publish = () => {},
+  connect = () => () => {},
+}) {
+  // A page without the Draw controls (the Display controls view omitted) has
+  // no draw tool.
+  if (!viewer || !annotations || !document.getElementById('draw-toggle'))
+    return null;
 
   let active = false;
   let destroyed = false;
   let session = null;
   let shape = 'area';
   let color = 'primary';
+  let hint = '';
   let handler = null;
   let lease = null;
   let savedDoubleClick = null;
@@ -95,25 +98,13 @@ export function initDrawTool({ viewer, annotations }) {
   // one of those must not write its outcome over the newer state.
   let generation = 0;
   const previewEntities = [];
-  // Every DOM listener this tool adds, so teardown is one loop rather than a
-  // list that can fall out of step with the bindings below.
+  // Every DOM listener this tool adds (the session's keydown), so teardown is
+  // one loop rather than a list that can fall out of step with the bindings.
   const domListeners = [];
   const listen = (target, type, listener, options) => {
-    if (!target) return;
     target.addEventListener(type, listener, options);
     domListeners.push([target, type, listener, options]);
   };
-  // The board lives only in memory: switching language (a reload) asks first
-  // while it holds a lasting mark or a shape is half drawn.
-  const unregisterUnsavedWork = registerUnsavedWork(() => {
-    if (destroyed) return null;
-    const lasting = (annotations.list?.() || []).some(
-      (mark) => mark && mark.ttlMs == null && !mark.expiring,
-    );
-    return lasting || session?.vertices?.length > 0
-      ? msg('drawings on the map')
-      : null;
-  });
 
   const dataSource = new Cesium.CustomDataSource(PREVIEW_DATA_SOURCE_NAME);
   // `add()` resolves on the NEXT tick, so an init-then-immediate-destroy would
@@ -124,9 +115,25 @@ export function initDrawTool({ viewer, annotations }) {
     () => null,
   );
 
+  const present = () =>
+    publish({
+      active,
+      shape,
+      color,
+      hint,
+      marks: presentDrawMarks(annotations.list?.() || []),
+    });
+  // The hint is kept as the call that words it, so a language switch can
+  // word it again.
+  let hintText = () => '';
   const setHint = (text) => {
-    if (hint) hint.textContent = text;
+    hintText = text;
+    hint = text();
+    present();
   };
+  const offLocale = onLocaleChange(() => {
+    if (!destroyed) setHint(hintText);
+  });
 
   // ---- preview ---------------------------------------------------------
   const vertexPositions = () =>
@@ -161,7 +168,7 @@ export function initDrawTool({ viewer, annotations }) {
     previewEntities.length = 0;
     if (!session) {
       previewLine.show = false;
-      setHint(drawHint(null));
+      setHint(() => drawHint(null));
       viewer.scene.requestRender();
       return;
     }
@@ -187,7 +194,7 @@ export function initDrawTool({ viewer, annotations }) {
         }),
       );
     }
-    setHint(drawHint(session));
+    setHint(() => drawHint(session));
     viewer.scene.requestRender();
   };
 
@@ -210,14 +217,14 @@ export function initDrawTool({ viewer, annotations }) {
     // A click that changed nothing still deserves an answer when the reason is
     // a limit rather than the harmless tail of a double-click.
     if (reason === 'full')
-      setHint(
+      setHint(() =>
         t(
           'That shape already has {count} points — finish it or press Backspace.',
           { count: MAX_VERTICES },
         ),
       );
     else if (reason === 'invalid')
-      setHint(t('That point is off the globe — click on the world.'));
+      setHint(() => t('That point is off the globe — click on the world.'));
   };
   const onMove = (event) => {
     if (!session || session.shape === 'pin' || destroyed) return;
@@ -235,17 +242,17 @@ export function initDrawTool({ viewer, annotations }) {
     if (reason !== 'ok') {
       // 'too-few' is just "keep clicking" and the hint already says so;
       // a degenerate or off-globe shape needs to be told why it was refused.
-      if (reason !== 'too-few') setHint(drawHint(session));
+      if (reason !== 'too-few') setHint(() => drawHint(session));
       return null;
     }
-    const spec = finishSpec(session, { label: labelInput?.value || '', color });
+    // Named afterwards, in the shape's row.
+    const spec = finishSpec(session, { label: '', color });
     if (!spec) return null;
     // Start a fresh session BEFORE awaiting, so a second Enter or the second
     // half of a double-click cannot submit the same shape twice.
     session = createDrawSession(shape);
     cursor = null;
     syncPreview();
-    if (labelInput) labelInput.value = '';
     const attempt = generation;
     try {
       const result = await annotations.annotate([spec], {
@@ -253,11 +260,12 @@ export function initDrawTool({ viewer, annotations }) {
         flyTo: false,
       });
       if (destroyed || attempt !== generation) return result;
-      if (result?.drawn === 0) setHint(t('That shape could not be placed.'));
+      if (result?.drawn === 0)
+        setHint(() => t('That shape could not be placed.'));
       return result;
     } catch (error) {
       if (destroyed || attempt !== generation) return null;
-      setHint(
+      setHint(() =>
         t('Could not place the shape: {error}', {
           error: error?.message || error,
         }),
@@ -279,13 +287,13 @@ export function initDrawTool({ viewer, annotations }) {
     if (session) session = createDrawSession(shape);
     annotations.clear();
     syncPreview();
-    if (!destroyed && !active) setHint(t('Board cleared.'));
+    if (!destroyed && !active) setHint(() => t('Board cleared.'));
   };
 
   // ---- keys: only while drawing, never while typing in another field ----
   const typingElsewhere = (event) => {
     const t = event.target;
-    if (!t || t === labelInput) return false;
+    if (!t) return false;
     return (
       t.tagName === 'INPUT' || t.tagName === 'TEXTAREA' || t.isContentEditable
     );
@@ -293,12 +301,12 @@ export function initDrawTool({ viewer, annotations }) {
   /**
    * Enter is the finish key, but on a focused control Enter means "press this
    * control". Keyboard-focusing Clear and pressing Enter must clear the board,
-   * not finish the shape — so the finish key is only taken from the canvas,
-   * the page body, or the label field this tool owns.
+   * not finish the shape — so the finish key is only taken from the canvas or
+   * the page body.
    */
   const enterBelongsToDrawing = (event) => {
     const t = event.target;
-    if (!t || t === labelInput) return true;
+    if (!t) return true;
     if (
       typeof t.closest === 'function' &&
       t.closest('button, a, select, [role="button"], [role="radio"]')
@@ -310,6 +318,9 @@ export function initDrawTool({ viewer, annotations }) {
   };
   const onKey = (event) => {
     if (!active || destroyed || typingElsewhere(event)) return;
+    // Keys on the shape list's own controls are the list's (Esc closes a
+    // colour picker there), not the drawing's.
+    if (event.target?.closest?.('#draw-mark-list')) return;
     // Enter goes to finish() once a shape has been started; finish() owns the
     // decision and says WHY it refused. Swallowing the key on a degenerate
     // shape left the person pressing Enter at a silent panel. A focused button
@@ -328,7 +339,7 @@ export function initDrawTool({ viewer, annotations }) {
       else setActive(false);
       return;
     }
-    if (event.key === 'Backspace' && event.target !== labelInput) {
+    if (event.key === 'Backspace') {
       if (removeLastVertex(session)) {
         event.preventDefault();
         syncPreview();
@@ -345,7 +356,7 @@ export function initDrawTool({ viewer, annotations }) {
         // Somebody else is using the pointer — possibly an older instance of
         // this same tool that has not finished tearing down. Say so instead of
         // half-starting.
-        setHint(
+        setHint(() =>
           t('{owner} is using the pointer — close it first.', {
             owner: translateKnown(pointerOwnerName(pointerOwner())),
           }),
@@ -354,10 +365,7 @@ export function initDrawTool({ viewer, annotations }) {
       }
     }
     active = next;
-    toggle.classList.toggle('active', active);
-    toggle.setAttribute('aria-pressed', String(active));
-    modeRow?.classList.toggle('visible', active);
-    labelRow?.classList.toggle('visible', active);
+    present();
     document.body.classList.toggle('gev-drawing', active);
     if (active) {
       session = createDrawSession(shape);
@@ -419,8 +427,7 @@ export function initDrawTool({ viewer, annotations }) {
       );
       savedDoubleClick = null;
     }
-    // Drop just the keydown listener bound alongside this handler; the control
-    // listeners below outlive a session and come off in destroy().
+    // Drop the keydown listener bound alongside this handler.
     for (let i = domListeners.length - 1; i >= 0; i -= 1) {
       const [target, type, listener, options] = domListeners[i];
       if (listener !== onKey) continue;
@@ -429,37 +436,56 @@ export function initDrawTool({ viewer, annotations }) {
     }
   }
 
-  listen(toggle, 'click', () => setActive(!active));
-  const shapeButtons = [
-    ...(modeRow?.querySelectorAll('.pp-mode-btn[data-shape]') || []),
-  ];
-  const shapeControl = createSegmentedControl({
-    buttons: shapeButtons,
-    valueOf: (button) => button.dataset.shape,
-    listen,
-    onChange: (value) => {
-      shape = normalizeShape(value);
-      shapeControl.update(shape);
-      if (active) {
-        generation += 1;
-        session = createDrawSession(shape);
-        cursor = null;
-        syncPreview();
-      }
-    },
-  });
-  listen(colorSelect, 'change', () => {
-    color = COLORS.includes(colorSelect.value) ? colorSelect.value : 'primary';
-    syncPreview();
-  });
-  listen(clearButton, 'click', clearAll);
-  listen(labelInput, 'keydown', (event) => {
-    if (event.key === 'Enter' && session?.vertices?.length) {
-      event.preventDefault();
-      void finish();
+  /**
+   * Frame one drawn shape: an immediate navigation, so Cockpit can refuse it
+   * and the current orbit, follow or track lets go first.
+   */
+  function flyToMark(id) {
+    if (typeof navigation?.runImmediateNavigation === 'function')
+      return (
+        navigation.runImmediateNavigation('drawing', () =>
+          annotations.frame?.(id),
+        ) !== false
+      );
+    return annotations.frame?.(id) ?? false;
+  }
+
+  /** Draw `next` from now on; an open shape starts over in it. */
+  function chooseShape(next) {
+    shape = normalizeShape(next);
+    present();
+    if (active) {
+      generation += 1;
+      session = createDrawSession(shape);
+      cursor = null;
+      syncPreview();
     }
+  }
+  const disconnect = connect({
+    toggleDraw: () => setActive(!active),
+    setDrawShape: chooseShape,
+    setDrawColor: (value) => {
+      color = DRAW_COLORS.includes(value) ? value : 'primary';
+      present();
+      syncPreview();
+    },
+    clearDraw: clearAll,
+    renameDrawMark: (id, name) => annotations.restyle?.(id, { name }),
+    recolorDrawMark: (id, next) => annotations.restyle?.(id, { color: next }),
+    toggleDrawMark: (id) => {
+      const mark = annotations.list?.().find((entry) => entry.id === id);
+      if (mark) annotations.setHidden?.(id, !mark.hidden);
+    },
+    flyToDrawMark: flyToMark,
+    removeDrawMark: (id) => annotations.remove?.(id),
   });
-  setHint(drawHint(null));
+  // The rows follow the board: a shape drawn, renamed, hidden or removed
+  // here, by voice or by a clear.
+  const offBoard =
+    annotations.onChange?.(() => {
+      if (!destroyed) present();
+    }) || (() => {});
+  setHint(() => drawHint(null));
 
   const api = {
     get active() {
@@ -472,12 +498,15 @@ export function initDrawTool({ viewer, annotations }) {
       return session;
     },
     setActive,
-    setShape(next) {
-      const btn = modeRow?.querySelector(
-        `.pp-mode-btn[data-shape="${normalizeShape(next)}"]`,
-      );
-      btn?.click();
+    setShape: chooseShape,
+    /** The hand-drawn marks the list shows, as its rows. */
+    marks: () => presentDrawMarks(annotations.list?.() || []),
+    setColor(next) {
+      color = DRAW_COLORS.includes(next) ? next : 'primary';
+      present();
+      syncPreview();
     },
+    flyToMark,
     /** Test seam: add a vertex from lon/lat as if it had been clicked. */
     addVertex(lon, lat, height = 0) {
       if (!session) return false;
@@ -526,7 +555,9 @@ export function initDrawTool({ viewer, annotations }) {
       generation += 1;
       if (active) setActive(false);
       destroyed = true;
-      unregisterUnsavedWork();
+      offLocale();
+      offBoard();
+      disconnect();
       releaseSceneHandler();
       releasePointer(lease);
       lease = null;
@@ -546,11 +577,8 @@ export function initDrawTool({ viewer, annotations }) {
         }
       });
       document.body.classList.remove('gev-drawing');
-      toggle.classList.remove('active');
-      toggle.setAttribute('aria-pressed', 'false');
-      modeRow?.classList.remove('visible');
-      labelRow?.classList.remove('visible');
-      if (hint) hint.textContent = '';
+      hint = '';
+      present();
       if (window.__gevDrawTool === api) delete window.__gevDrawTool;
       return attaching;
     },

src/annotations/drawTool.test.mjs

@@ -23,7 +23,7 @@ test('the application composition wires the draw tool and owns its teardown', ()
   const tools = read('src/app/tools.js');
   const engineAt = tools.indexOf('const annotations = initAnnotations({');
   const drawAt = tools.indexOf(
-    'const drawTool = initDrawTool({ viewer, annotations });',
+    'const drawTool = initDrawTool({\n    viewer,\n    annotations,\n    navigation: styleManager,\n    publish: (view) => displayStore.publishDraw(view),',
   );
   assert.ok(engineAt >= 0, 'initAnnotations call missing');
   assert.ok(
@@ -62,37 +62,67 @@ test('the engine resolves manual geometry before any name resolution', () => {
 });
 
 test('the Draw control markup carries the ids the tool binds to', () => {
-  // The DISPLAY rail is a component template now, assembled into index.html at
-  // build time — the markup is not in index.html any more.
-  const html = read('src/ui/templates/display-controls.html');
+  // UTILITIES ▸ Draw is a Vue view (DrawControls, with DrawMarkList for the
+  // drawn shapes' rows), rendered into the Utilities panel.
+  const html = [
+    read('src/ui/views/panels/DrawControls.vue'),
+    read('src/ui/views/panels/DrawMarkList.vue'),
+  ].join('\n');
   const ids = [
     'draw-toggle',
     'draw-mode-row',
+    'draw-colors',
     'draw-label-row',
-    'draw-label-input',
-    'draw-color-select',
     'draw-clear',
     'draw-hint',
+    'draw-mark-list',
   ];
   for (const id of ids) {
     assert.match(
       html,
       new RegExp(`id="${id}"`),
-      `#${id} missing from index.html`,
+      `#${id} missing from the Draw views`,
     );
   }
-  for (const shape of ['area', 'line', 'pin']) {
+  // Shapes are icons, named for screen readers and tooltips.
+  for (const [shape, icon] of [
+    ['area', 'pentagon'],
+    ['line', 'timeline'],
+    ['pin', 'location_on'],
+  ]) {
     assert.match(
       html,
-      new RegExp(`data-shape="${shape}"`),
+      new RegExp(`icon: '${icon}', attrs: \\{ 'data-shape': '${shape}' \\}`),
       `shape button ${shape} missing`,
     );
   }
-  for (const id of ids) {
+  assert.ok(
+    read('src/ui/views/LayerPanelsView.vue').includes('<DrawControls />'),
+    'the Utilities panel renders Draw',
+  );
+  assert.ok(
+    !read('src/ui/views/panels/DisplayPanel.vue').includes('draw-toggle'),
+    'Draw is no longer in DISPLAY',
+  );
+  // The rows and the hint render what the tool publishes; the controls
+  // call the actions the tool connects to the display store.
+  for (const action of [
+    "act('toggleDraw')",
+    "act('setDrawShape', $event)",
+    "act('setDrawColor', $event)",
+    "act('clearDraw')",
+    "act('renameDrawMark', row.id, next)",
+    "act('recolorDrawMark', row.id, color)",
+    "act('toggleDrawMark', row.id)",
+    "act('flyToDrawMark', row.id)",
+    "act('removeDrawMark', row.id)",
+  ]) {
+    assert.ok(html.includes(action), `the Draw views must call ${action}`);
+    const name = /act\('([a-zA-Z]+)'/.exec(action)[1];
     assert.match(
       tool(),
-      new RegExp(`getElementById\\('${id}'\\)`),
-      `drawTool must bind #${id}`,
+      new RegExp(`\\b${name}: `),
+      `drawTool must answer ${name}`,
     );
   }
 });
@@ -102,20 +132,22 @@ test('the DISPLAY rail styles live in their current owner, not the shim', () =>
   // these rules lived in the root style.css. That file is an import shim now,
   // and putting rules back into it would silently undo the split.
   const shim = read('style.css');
-  assert.ok(
-    shim.split('\n').length < 40,
-    'style.css is an import shim, not a stylesheet',
-  );
+  const rules = shim
+    .replace(/\/\*[\s\S]*?\*\//g, '')
+    .split('\n')
+    .filter((line) => line.trim() && !/^@import '[^']+';$/.test(line.trim()));
+  assert.deepEqual(rules, [], 'style.css is an import shim, not a stylesheet');
   assert.doesNotMatch(
     shim,
-    /draw-hint|pp-text-input/,
+    /draw-hint|draw-color/,
     'draw styles belong to a component stylesheet',
   );
   const controls = read('src/ui/styles/controls.css');
   for (const rule of [
     '#draw-mode-row',
     '#draw-label-row',
-    '.pp-text-input',
+    '.draw-color',
+    '.draw-mark-name',
     '.draw-clear-btn',
     '.draw-hint',
     'body.gev-drawing',
@@ -138,10 +170,14 @@ test('nothing promises a GeoJSON export for drawn shapes', () => {
       `${file} still claims a GeoJSON export`,
     );
   }
-  for (const file of ['README.md', 'CHANGELOG.md', 'docs/CURRENT-STATE.md']) {
+  // Draw lives in UTILITIES; only the changelog's history still says DISPLAY.
+  for (const [file, heading] of [
+    ['README.md', 'UTILITIES ▸ **Draw**'],
+    ['CHANGELOG.md', 'DISPLAY ▸ Draw'],
+    ['docs/CURRENT-STATE.md', 'UTILITIES ▸ **Draw**'],
+  ]) {
     const source = read(file);
-    const at = source.indexOf('DISPLAY ▸ **Draw**');
-    const start = at >= 0 ? at : source.indexOf('DISPLAY ▸ Draw');
+    const start = source.indexOf(heading);
     assert.ok(start >= 0, `${file} should describe the Draw control`);
     const section = source.slice(start, start + 1200);
     assert.doesNotMatch(

src/annotations/drawToolBehaviour.test.mjs

@@ -6,7 +6,6 @@ import { test } from 'node:test';
 import assert from 'node:assert/strict';
 import * as Cesium from 'cesium';
 import { initDrawTool } from './drawTool.js';
-import { describeUnsavedWork } from '../i18n/index.js';
 import {
   isPointerFree,
   pointerOwner,
@@ -47,7 +46,6 @@ class FakeElement {
     this.attributes = new Map();
     this.textContent = '';
     this.value = '';
-    this.children = [];
     this.listeners = [];
   }
   setAttribute(name, value) {
@@ -65,16 +63,6 @@ class FakeElement {
     );
     if (at >= 0) this.listeners.splice(at, 1);
   }
-  querySelectorAll(selector) {
-    if (selector === '.pp-mode-btn[data-shape]')
-      return this.children.filter((child) => child.dataset.shape);
-    const shape = /\.pp-mode-btn\[data-shape="([a-z]+)"\]/.exec(selector)?.[1];
-    if (shape) return this.children.filter((child) => child.dataset.shape === shape);
-    return [];
-  }
-  querySelector(selector) {
-    return this.querySelectorAll(selector)[0] ?? null;
-  }
   click() {
     return this.emit('click');
   }
@@ -108,18 +96,10 @@ function fakeDom() {
     byId.set(id, element);
     return element;
   };
+  // The control whose presence means the page has Draw, and a focused button
+  // whose Enter is its own.
   make('draw-toggle', 'BUTTON');
-  const modeRow = make('draw-mode-row');
-  for (const shape of ['area', 'line', 'pin']) {
-    const button = new FakeElement('BUTTON');
-    button.dataset.shape = shape;
-    modeRow.children.push(button);
-  }
-  make('draw-label-row');
-  make('draw-label-input', 'INPUT');
-  make('draw-color-select', 'SELECT');
   make('draw-clear', 'BUTTON');
-  make('draw-hint', 'SPAN');
 
   const body = new FakeElement('BODY');
   const documentDouble = {
@@ -195,9 +175,16 @@ function fakeViewer() {
 }
 
 function fakeAnnotations() {
-  const calls = { annotate: [], clear: 0 };
+  const calls = { annotate: [], clear: 0, restyle: [], setHidden: [], frame: [], remove: [] };
+  const marks = [];
+  const listeners = new Set();
+  const changed = () => listeners.forEach((listener) => listener());
+  const find = (id) => marks.find((mark) => mark.id === id);
   return {
     calls,
+    marks,
+    listeners,
+    changed,
     async annotate(specs, options) {
       calls.annotate.push({ specs, options });
       return { drawn: specs.length };
@@ -205,11 +192,38 @@ function fakeAnnotations() {
     clear() {
       calls.clear += 1;
     },
+    list: () => marks,
+    onChange(listener) {
+      listeners.add(listener);
+      return () => listeners.delete(listener);
+    },
+    restyle(id, change) {
+      calls.restyle.push([id, change]);
+      Object.assign(find(id), change);
+      changed();
+      return true;
+    },
+    setHidden(id, hidden) {
+      calls.setHidden.push([id, hidden]);
+      find(id).hidden = hidden;
+      changed();
+      return true;
+    },
+    frame(id) {
+      calls.frame.push(id);
+      return true;
+    },
+    remove(id) {
+      calls.remove.push(id);
+      marks.splice(marks.indexOf(find(id)), 1);
+      changed();
+      return true;
+    },
   };
 }
 
 /** Stand up a tool against fresh doubles, with globals restored afterwards. */
-function harness() {
+function harness({ navigation = null } = {}) {
   resetPointerOwnership();
   const { byId, documentDouble } = fakeDom();
   const viewer = fakeViewer();
@@ -218,14 +232,30 @@ function harness() {
   const previousWindow = globalThis.window;
   globalThis.document = documentDouble;
   globalThis.window = globalThis.window || {};
-  const tool = initDrawTool({ viewer, annotations });
+  const shown = { view: null };
+  // The controls' actions, as the display store holds them.
+  const controls = { actions: null };
+  const tool = initDrawTool({
+    viewer,
+    annotations,
+    navigation,
+    publish: (view) => (shown.view = view),
+    connect: (actions) => {
+      controls.actions = actions;
+      return () => (controls.actions = null);
+    },
+  });
   return {
     tool,
+    shown,
     viewer,
     annotations,
     byId,
     documentDouble,
     element: (id) => byId.get(id),
+    controls,
+    /** A control's change, as the view sends it. */
+    act: (name, ...args) => controls.actions?.[name]?.(...args),
     restore() {
       resetPointerOwnership();
       if (previousDocument === undefined) delete globalThis.document;
@@ -241,38 +271,15 @@ const LEFT_DOUBLE_CLICK = Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK;
 
 /* ── the tests ─────────────────────────────────────────────────────────── */
 
-// First in the file: tools left by later tests would answer the same registry.
-test('a lasting mark or a half-drawn shape makes the language switch ask first', async () => {
-  const h = harness();
-  try {
-    let marks = [];
-    h.annotations.list = () => marks;
-    assert.deepEqual(describeUnsavedWork(), [], 'an empty board loses nothing');
-    marks = [{ id: 'a', ttlMs: 8000, expiring: false }];
-    assert.deepEqual(describeUnsavedWork(), [], 'a fading mark is not work');
-    marks = [{ id: 'b', ttlMs: null, expiring: false }];
-    assert.deepEqual(describeUnsavedWork(), ['drawings on the map']);
-    marks = [];
-    h.element('draw-toggle').emit('click');
-    h.tool.addVertex(-97.75, 30.26);
-    assert.deepEqual(describeUnsavedWork(), ['drawings on the map'], 'a shape in progress');
-    marks = [{ id: 'c', ttlMs: null, expiring: false }];
-    await h.tool.destroy();
-    assert.deepEqual(describeUnsavedWork(), [], 'a destroyed tool unregisters');
-  } finally {
-    h.restore();
-  }
-});
-
 test('turning Draw on takes a lease and turning it off gives it back', async () => {
   const h = harness();
   try {
     assert.equal(isPointerFree(), true);
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(pointerOwner(), 'draw', 'the session owns the pointer');
     assert.equal(h.tool.active, true);
 
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(isPointerFree(), true, 'leaving draw mode frees the pointer');
     assert.equal(h.tool.active, false);
   } finally {
@@ -284,18 +291,18 @@ test('Draw refuses to start when something else holds the pointer', async () =>
   const h = harness();
   try {
     const other = claimPointer('directions');
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(h.tool.active, false, 'it must not half-start');
     assert.equal(pointerOwner(), 'directions', 'and must not steal the claim');
     // Named by its tool, not by the internal owner id.
     assert.equal(
-      h.element('draw-hint').textContent,
+      h.shown.view.hint,
       'Directions is using the pointer — close it first.',
     );
     assert.equal(h.tool.diagnostics().sceneHandler, false, 'no handler was bound');
 
     releasePointer(other);
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(h.tool.active, true, 'and it starts once the pointer is free');
   } finally {
     h.restore();
@@ -305,13 +312,13 @@ test('Draw refuses to start when something else holds the pointer', async () =>
 test('a destroyed instance cannot free the pointer its replacement holds', async () => {
   const first = harness();
   try {
-    first.element('draw-toggle').emit('click');
+    first.act('toggleDraw');
     assert.equal(pointerOwner(), 'draw');
     // The replacement takes over before the old one finishes tearing down.
     first.tool.setActive(false);
     const second = harness();
     try {
-      second.element('draw-toggle').emit('click');
+      second.act('toggleDraw');
       assert.equal(pointerOwner(), 'draw');
       await first.tool.destroy();
       assert.equal(
@@ -336,7 +343,7 @@ test('both stock viewer click actions are borrowed for the session and given bac
     h.viewer.screenSpaceEventHandler.setInputAction(stockClick, LEFT_CLICK);
     h.viewer.screenSpaceEventHandler.setInputAction(stockDouble, LEFT_DOUBLE_CLICK);
 
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(
       h.viewer.screenSpaceEventHandler.getInputAction(LEFT_CLICK),
       undefined,
@@ -347,7 +354,7 @@ test('both stock viewer click actions are borrowed for the session and given bac
       undefined,
     );
 
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     assert.equal(
       h.viewer.screenSpaceEventHandler.getInputAction(LEFT_CLICK),
       stockClick,
@@ -365,7 +372,7 @@ test('both stock viewer click actions are borrowed for the session and given bac
 test('Enter finishes from the canvas and the label field, never from a focused button', async () => {
   const h = harness();
   try {
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     h.tool.setShape('area');
     h.tool.addVertex(-97.75, 30.26);
     h.tool.addVertex(-97.74, 30.26);
@@ -395,7 +402,7 @@ test('Enter finishes from the canvas and the label field, never from a focused b
 test('the live preview hangs at the height the click landed on', async () => {
   const h = harness();
   try {
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     h.tool.setShape('line');
     h.tool.addVertex(-97.75, 30.26, 187.5);
     h.tool.addVertex(-97.74, 30.26, 212.25);
@@ -449,10 +456,11 @@ test('destroy releases the pointer, the handler, the listeners and the stock act
   try {
     const stockClick = () => 'viewer picks and selects';
     h.viewer.screenSpaceEventHandler.setInputAction(stockClick, LEFT_CLICK);
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     h.tool.addVertex(-97.75, 30.26);
     assert.equal(pointerOwner(), 'draw');
     assert.ok(h.tool.diagnostics().domListeners > 0);
+    assert.equal(h.annotations.listeners.size, 1, 'the rows follow the board');
 
     await h.tool.destroy();
     await Promise.resolve();
@@ -463,13 +471,14 @@ test('destroy releases the pointer, the handler, the listeners and the stock act
     assert.equal(after.sceneHandler, false, 'the Cesium handler is gone');
     assert.equal(after.domListeners, 0, 'every DOM listener came off');
     assert.equal(h.documentDouble.listeners.length, 0, 'including the keydown');
-    assert.equal(h.element('draw-toggle').listeners.length, 0);
+    assert.equal(h.controls.actions, null, 'and the controls are disconnected');
     assert.equal(
       h.viewer.screenSpaceEventHandler.getInputAction(LEFT_CLICK),
       stockClick,
       'the viewer got its selecting click back',
     );
     assert.equal(h.viewer._attached.length, 0, 'the preview data source is detached');
+    assert.equal(h.annotations.listeners.size, 0, 'and it no longer follows the board');
 
     // Idempotent: a second destroy is harmless.
     await h.tool.destroy();
@@ -481,15 +490,145 @@ test('destroy releases the pointer, the handler, the listeners and the stock act
 test('Clear wipes the board and the shape in progress', async () => {
   const h = harness();
   try {
-    h.element('draw-toggle').emit('click');
+    h.act('toggleDraw');
     h.tool.addVertex(-97.75, 30.26);
     h.tool.addVertex(-97.74, 30.26);
     assert.equal(h.tool.session.vertices.length, 2);
 
-    h.element('draw-clear').emit('click');
+    h.act('clearDraw');
     assert.equal(h.annotations.calls.clear, 1, 'placed marks are removed');
     assert.equal(h.tool.session.vertices.length, 0, 'and so is the shape in progress');
   } finally {
     h.restore();
   }
 });
+
+test('the controls choose the shape and colour the next shape is drawn with; it is named in its row', async () => {
+  const h = harness();
+  try {
+    h.act('toggleDraw');
+    h.act('setDrawShape', 'line');
+    h.act('setDrawColor', 'amber');
+    assert.deepEqual(
+      { ...h.shown.view, hint: undefined },
+      { active: true, shape: 'line', color: 'amber', hint: undefined, marks: [] },
+      'the view shows what the controls chose',
+    );
+    h.act('setDrawColor', 'purple');
+    assert.equal(h.shown.view.color, 'primary', 'an unknown colour falls back');
+    h.act('setDrawColor', 'cyan');
+    h.tool.addVertex(-97.75, 30.26);
+    // Choosing a shape again starts the open one over.
+    h.act('setDrawShape', 'line');
+    assert.equal(h.tool.session.vertices.length, 0);
+    h.tool.addVertex(-97.75, 30.26);
+    h.tool.addVertex(-97.74, 30.26);
+    h.documentDouble.emit('keydown', { key: 'Enter', target: h.documentDouble.body });
+    await Promise.resolve();
+    await Promise.resolve();
+    const spec = h.annotations.calls.annotate[0].specs[0];
+    assert.equal(spec.type, 'route', 'a drawn line is a manual route');
+    assert.equal(spec.color, 'cyan');
+    assert.ok(!spec.label, 'a shape is named afterwards, in its row');
+  } finally {
+    h.restore();
+  }
+});
+
+test('each drawn shape is a row whose actions reach the board, and fly-to is a navigation', async () => {
+  const navigations = [];
+  const h = harness({
+    navigation: {
+      runImmediateNavigation: (noun, navigate) => {
+        navigations.push(noun);
+        return navigate();
+      },
+    },
+  });
+  try {
+    const board = h.annotations;
+    board.marks.push(
+      { id: 'a1', type: 'route', manual: true, name: null, label: '950 m', color: 'amber', hidden: false },
+      { id: 'a2', type: 'pin', manual: false, label: 'Voice pin', color: 'primary', hidden: false },
+    );
+    board.changed();
+    assert.deepEqual(
+      h.shown.view.marks.map(({ id, placeholder, hidden }) => ({ id, placeholder, hidden })),
+      [{ id: 'a1', placeholder: 'Line · 950 m', hidden: false }],
+      'only hand-drawn marks are listed, an unnamed line by its length',
+    );
+    h.act('renameDrawMark', 'a1', 'Ridge walk');
+    h.act('recolorDrawMark', 'a1', 'green');
+    h.act('toggleDrawMark', 'a1');
+    h.act('flyToDrawMark', 'a1');
+    h.act('removeDrawMark', 'a1');
+    assert.deepEqual(board.calls.restyle, [
+      ['a1', { name: 'Ridge walk' }],
+      ['a1', { color: 'green' }],
+    ]);
+    assert.deepEqual(board.calls.setHidden, [['a1', true]]);
+    assert.deepEqual(board.calls.frame, ['a1']);
+    assert.deepEqual(navigations, ['drawing'], 'fly-to goes through the navigation policy');
+    assert.deepEqual(board.calls.remove, ['a1']);
+    assert.deepEqual(h.shown.view.marks, [], 'the row goes with its mark');
+  } finally {
+    h.restore();
+  }
+});
+
+test('Backspace on the page removes the last vertex', () => {
+  const h = harness();
+  try {
+    h.act('toggleDraw');
+    h.tool.addVertex(-97.75, 30.26);
+    h.tool.addVertex(-97.74, 30.26);
+    h.documentDouble.emit('keydown', { key: 'Backspace', target: h.documentDouble.body });
+    assert.equal(h.tool.session.vertices.length, 1);
+  } finally {
+    h.restore();
+  }
+});
+
+test('keys on the shape list are the list\'s, not the drawing\'s', async () => {
+  const h = harness();
+  try {
+    const listButton = new FakeElement('BUTTON');
+    listButton.closest = (selector) => (selector === '#draw-mark-list' ? {} : null);
+    const elsewhere = new FakeElement('INPUT', 'location-search');
+    h.act('toggleDraw');
+    h.tool.addVertex(-97.75, 30.26);
+    h.tool.addVertex(-97.74, 30.26);
+    h.documentDouble.emit('keydown', { key: 'Escape', target: listButton });
+    assert.equal(h.tool.session.vertices.length, 2, 'Escape in the list keeps the shape');
+    assert.equal(h.tool.active, true, 'and keeps Draw on');
+    h.documentDouble.emit('keydown', { key: 'Enter', target: elsewhere });
+    await Promise.resolve();
+    assert.equal(h.annotations.calls.annotate.length, 0, 'another field keeps its Enter');
+    h.documentDouble.emit('keydown', { key: 'Escape', target: h.documentDouble.body });
+    assert.equal(h.tool.session.vertices.length, 0, 'Escape on the page drops the open shape');
+  } finally {
+    h.restore();
+  }
+});
+
+test('a page without the Draw controls gets no draw tool', () => {
+  resetPointerOwnership();
+  const previousDocument = globalThis.document;
+  globalThis.document = { getElementById: () => null };
+  try {
+    let connected = false;
+    const tool = initDrawTool({
+      viewer: fakeViewer(),
+      annotations: fakeAnnotations(),
+      connect: () => {
+        connected = true;
+        return () => {};
+      },
+    });
+    assert.equal(tool, null);
+    assert.equal(connected, false);
+  } finally {
+    if (previousDocument === undefined) delete globalThis.document;
+    else globalThis.document = previousDocument;
+  }
+});

src/annotations/hybridAnnotationRenderer.js

@@ -1,3 +1,4 @@
+import { recordWorkSlice } from '../sources/phaseTiming.js';
 import { createWorldAnnotationRenderer } from './worldAnnotationRenderer.js';
 import { createScreenAnnotationRenderer } from './screenAnnotationRenderer.js';
 
@@ -16,15 +17,19 @@ import { createScreenAnnotationRenderer } from './screenAnnotationRenderer.js';
  * label-less) so every caption shares one consistent style.
  *
  * The hybrid surface honors add/update/remove/sync/destroy; update coordinates the
- * one route change that spans both sub-renderers.
+ * one route change that spans both sub-renderers. `screen` passes options to the
+ * screen renderer (its store, in tests).
  */
-export function createHybridAnnotationRenderer(viewer) {
+export function createHybridAnnotationRenderer(
+  viewer,
+  { screen: screenOptions } = {},
+) {
   const world = createWorldAnnotationRenderer(viewer);
-  const screen = createScreenAnnotationRenderer(viewer);
+  const screen = createScreenAnnotationRenderer(viewer, screenOptions);
   // anno.id -> { worldProxy?, screenProxy? } — proxies own the sub-renderer state.
   const routed = new Map();
 
-  function add(anno) {
+  function add(anno, options = {}) {
     const entry = {};
     // Route the entry FIRST, then fill it in. A sub-renderer throw (WebGL loss
     // mid-add) otherwise stranded whatever the earlier sub-renderer had already
@@ -36,7 +41,20 @@ export function createHybridAnnotationRenderer(viewer) {
     if (anno.type === 'area' && anno.ring && anno.ring.length >= 3) {
       // Drape the footprint in world space, but without its own label...
       entry.worldProxy = liveProxy(anno, { label: null });
-      world.add(entry.worldProxy);
+      const completion = world.add(
+        entry.worldProxy,
+        worldOptions(anno, entry, options),
+      );
+      if (completion?.then) {
+        if (options.pendingVisible !== false) {
+          entry.screenProxy = liveProxy(anno, {
+            ring: null,
+            pendingOutline: true,
+          });
+          screen.add(entry.screenProxy);
+        }
+        return finishBuilding(anno, entry, completion, options);
+      }
       // ...and place the caption as a screen-space callout at the centroid.
       if (anno.label) {
         entry.screenProxy = liveProxy(anno, { type: 'label', ring: null });
@@ -71,27 +89,45 @@ export function createHybridAnnotationRenderer(viewer) {
    * World geometry is new, but the reticle's SVG group is converted in place to
    * the centroid callout so there is no overlapping fade-out/fade-in pair.
    */
-  function update(anno) {
+  function update(anno, options = {}) {
     const entry = routed.get(anno.id);
     if (!entry) {
-      add(anno);
-      return;
+      return add(anno, options);
     }
     if (anno.type !== 'area' || !anno.ring || anno.ring.length < 3) {
-      if (anno.outlineUnavailable && entry.screenProxy)
+      if (anno.outlineUnavailable && entry.screenProxy) {
+        entry.screenProxy = liveProxy(anno, { ring: null });
         screen.update(entry.screenProxy);
+      }
       return;
     }
 
     if (!entry.worldProxy) {
       entry.worldProxy = liveProxy(anno, { label: null });
-      world.add(entry.worldProxy);
+      const completion = world.add(
+        entry.worldProxy,
+        worldOptions(anno, entry, options),
+      );
+      if (completion?.then) {
+        if (entry.screenProxy) {
+          const pending = liveProxy(anno, { ring: null, pendingOutline: true });
+          screen.update(pending);
+          entry.screenProxy = pending;
+        }
+        return finishBuilding(anno, entry, completion, options);
+      }
     }
 
+    updateCaption(anno, entry);
+  }
+
+  function updateCaption(anno, entry) {
     const screenProxy = liveProxy(anno, { type: 'label', ring: null });
     if (entry.screenProxy) {
       screen.update(screenProxy, { empty: !anno.label });
     } else if (anno.label) {
+      // Publish before add: a partially created caption must remain removable.
+      entry.screenProxy = screenProxy;
       screen.add(screenProxy);
     }
     entry.screenProxy = entry.screenProxy
@@ -101,6 +137,106 @@ export function createHybridAnnotationRenderer(viewer) {
         : null;
   }
 
+  function finishBuilding(anno, entry, completion, options) {
+    const workTrace = options.workTrace;
+    const proxy = entry.worldProxy;
+    return completion
+      .then((result) => {
+        const workStart = workTrace ? performance.now() : 0;
+        try {
+          if (
+            routed.get(anno.id) !== entry ||
+            entry.worldProxy !== proxy ||
+            options.signal?.aborted ||
+            !(options.isCurrent?.() ?? true)
+          ) {
+            world.remove(proxy);
+            if (routed.get(anno.id) === entry) remove(anno);
+            if (workTrace) workTrace.rendererStatus = 'cancelled';
+            return { ...result, status: 'cancelled' };
+          }
+          if (result.status !== 'installed') {
+            world.remove(proxy);
+            entry.worldProxy = null;
+            if (workTrace) workTrace.rendererStatus = result.status;
+            return result;
+          }
+          if (performance.now() >= result.timing.deadlineMs) {
+            world.remove(proxy);
+            entry.worldProxy = null;
+            if (workTrace) workTrace.rendererStatus = 'timeout';
+            return { ...result, status: 'timeout' };
+          }
+          const at = performance.now();
+          try {
+            updateCaption(anno, entry);
+          } finally {
+            const ms = performance.now() - at;
+            result.timing.workMs += ms;
+            result.timing.lastSliceMs += ms;
+            result.timing.maxSliceMs = Math.max(
+              result.timing.maxSliceMs,
+              result.timing.lastSliceMs,
+            );
+          }
+          if (performance.now() >= result.timing.deadlineMs) {
+            world.remove(proxy);
+            entry.worldProxy = null;
+            if (options.pendingVisible === false) {
+              if (entry.screenProxy) screen.remove(entry.screenProxy);
+              entry.screenProxy = null;
+            } else {
+              // The caption conversion already reshaped the group; redraw the pending point.
+              const pending = liveProxy(anno, {
+                ring: null,
+                pendingOutline: true,
+              });
+              if (entry.screenProxy) screen.remove(entry.screenProxy);
+              entry.screenProxy = pending;
+              screen.add(pending);
+            }
+            if (workTrace) workTrace.rendererStatus = 'timeout';
+            return { ...result, status: 'timeout' };
+          }
+          if (workTrace) workTrace.rendererStatus = result.status;
+          return result;
+        } finally {
+          if (workTrace)
+            recordWorkSlice(workTrace, 'hybrid-complete', workStart);
+        }
+      })
+      .catch((error) => {
+        const workStart = workTrace ? performance.now() : 0;
+        try {
+          // A later caption throw must roll back the already installed world parts too.
+          if (routed.get(anno.id) === entry) {
+            try {
+              remove(anno);
+            } catch {
+              /* original error wins; failed routes stay addressable */
+            }
+          } else world.remove(proxy);
+          throw error;
+        } finally {
+          if (workTrace) {
+            workTrace.rendererStatus = 'failed';
+            recordWorkSlice(workTrace, 'hybrid-rollback', workStart);
+          }
+        }
+      });
+  }
+
+  function worldOptions(anno, entry, options) {
+    const proxy = entry.worldProxy;
+    return {
+      ...options,
+      isCurrent: () =>
+        routed.get(anno.id) === entry &&
+        entry.worldProxy === proxy &&
+        (options.isCurrent?.() ?? true),
+    };
+  }
+
   /**
    * Release both routes. Tolerates PARTIAL state (only one sub-renderer got
    * its content) and an absent id, so it doubles as the rollback path for a

src/annotations/hybridAnnotationRenderer.test.mjs

@@ -1,143 +1,25 @@
 import { test } from 'node:test';
 import assert from 'node:assert/strict';
 import * as Cesium from 'cesium';
+import { createPinia } from 'pinia';
+import { useScreenAnnotationsStore } from '../ui/stores/screenAnnotations.js';
 import { createHybridAnnotationRenderer } from './hybridAnnotationRenderer.js';
+import { showOsmCredit, hideOsmCredit } from '../data/dataCredits.js';
 
-class FakeClassList {
-  constructor(owner) {
-    this.owner = owner;
-    this.names = new Set();
-  }
-
-  reset(value) {
-    this.names = new Set(String(value || '').split(/\s+/).filter(Boolean));
-  }
-
-  add(...names) {
-    for (const name of names) this.names.add(name);
-    this.owner.attributes.set('class', Array.from(this.names).join(' '));
-  }
-
-  remove(...names) {
-    for (const name of names) this.names.delete(name);
-    this.owner.attributes.set('class', Array.from(this.names).join(' '));
-  }
-
-  contains(name) {
-    return this.names.has(name);
-  }
+/** A hybrid renderer whose screen board is presented to its own store. */
+function hybridWithBoard(viewer) {
+  const store = useScreenAnnotationsStore(createPinia());
+  const renderer = createHybridAnnotationRenderer(viewer, { screen: { store } });
+  return { store, renderer };
 }
 
-class FakeElement {
-  constructor(tagName) {
-    this.tagName = tagName;
-    this.attributes = new Map();
-    this.children = [];
-    this.parentNode = null;
-    this.style = {};
-    this.classList = new FakeClassList(this);
-    this.textContent = '';
-  }
-
-  setAttribute(name, value) {
-    this.attributes.set(name, String(value));
-    if (name === 'class') this.classList.reset(value);
-  }
-
-  getAttribute(name) {
-    return this.attributes.get(name) ?? null;
-  }
-
-  set className(value) {
-    this.setAttribute('class', value);
-  }
-
-  get className() {
-    return this.getAttribute('class') || '';
-  }
-
-  set id(value) {
-    this.setAttribute('id', value);
-  }
-
-  get id() {
-    return this.getAttribute('id') || '';
-  }
-
-  appendChild(child) {
-    child.parentNode = this;
-    this.children.push(child);
-    return child;
-  }
-
-  removeChild(child) {
-    const index = this.children.indexOf(child);
-    if (index >= 0) this.children.splice(index, 1);
-    child.parentNode = null;
-    return child;
-  }
-
-  remove() {
-    this.parentNode?.removeChild(this);
-  }
-
-  querySelector(selector) {
-    return this.querySelectorAll(selector)[0] || null;
-  }
-
-  querySelectorAll(selector) {
-    const className = selector.startsWith('.') ? selector.slice(1) : null;
-    const matches = [];
-    const visit = (node) => {
-      for (const child of node.children) {
-        if (className && child.classList.contains(className)) matches.push(child);
-        visit(child);
-      }
-    };
-    visit(this);
-    return matches;
-  }
-
-  addEventListener() {}
-
-  getBBox() {
-    return { x: 0, y: 0, width: 40, height: 16 };
-  }
-
-  set innerHTML(value) {
-    this._innerHTML = value;
-  }
+/** The screen marks the board shows, fading ones included. */
+function annotationGroups(store) {
+  return store.board?.marks ?? [];
 }
 
-function fakeDocument() {
-  const head = new FakeElement('head');
-  const body = new FakeElement('body');
-  const roots = [head, body];
-  return {
-    head,
-    body,
-    createElement: (tag) => new FakeElement(tag),
-    createElementNS: (_namespace, tag) => new FakeElement(tag),
-    getElementById(id) {
-      let found = null;
-      const visit = (node) => {
-        if (node.getAttribute('id') === id) found = node;
-        for (const child of node.children) visit(child);
-      };
-      for (const root of roots) visit(root);
-      return found;
-    },
-  };
-}
-
-function findAnnotationGroup(document) {
-  const layer = document.body.children.find((child) => child.classList.contains('gev-screen-whiteboard'));
-  const svg = layer.children.find((child) => child.classList.contains('gev-screen-whiteboard-svg'));
-  return {
-    svg,
-    group: svg.children.find((child) => child.classList.contains('gev-anno')),
-  };
-}
+const childrenWithClass = (mark, name) =>
+  mark.children.filter((child) => child.attrs?.class?.split(' ').includes(name));
 
 function cameraLookingAt(lon, lat) {
   const target = Cesium.Cartesian3.fromDegrees(lon, lat);
@@ -184,7 +66,6 @@ function cameraLookingAt(lon, lat) {
 
 /** Install the browser globals both renderers touch, restored after the test. */
 function installBrowserGlobals(t) {
-  const originalDocument = globalThis.document;
   const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
   const originalWindow = globalThis.window;
   const originalBrowserConstructors = new Map([
@@ -193,13 +74,10 @@ function installBrowserGlobals(t) {
     ['ImageBitmap', globalThis.ImageBitmap],
     ['OffscreenCanvas', globalThis.OffscreenCanvas],
   ]);
-  globalThis.document = fakeDocument();
   globalThis.requestAnimationFrame = (callback) => { callback(); return 1; };
   globalThis.window = { setTimeout: (fn) => { fn(); return 1; } };
   for (const name of originalBrowserConstructors.keys()) globalThis[name] = class {};
   t.after(() => {
-    if (originalDocument === undefined) delete globalThis.document;
-    else globalThis.document = originalDocument;
     if (originalRequestAnimationFrame === undefined) delete globalThis.requestAnimationFrame;
     else globalThis.requestAnimationFrame = originalRequestAnimationFrame;
     if (originalWindow === undefined) delete globalThis.window;
@@ -213,19 +91,31 @@ function installBrowserGlobals(t) {
 
 /** A viewer whose scene/camera is just enough for both sub-renderers. */
 function fakeViewer(lon, lat) {
+  const credits = new Set();
   const camera = cameraLookingAt(lon, lat);
   const dataSources = [];
+  const frames = controlledFrames();
   const scene = {
     camera,
     canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 },
     frameState: { mode: Cesium.SceneMode.SCENE3D },
     clampToHeightSupported: true,
     clampToHeight: (world) => world,
-    postRender: { addEventListener() {}, removeEventListener() {} },
+    postRender: frames.event,
+    renderRequests: 0,
+    requestRender() {
+      scene.renderRequests += 1;
+    },
   };
   return {
     dataSources,
+    frames,
     viewer: {
+      credits,
+      creditDisplay: {
+        addStaticCredit: (credit) => credits.add(credit),
+        removeStaticCredit: (credit) => credits.delete(credit),
+      },
       scene,
       camera,
       trackedEntity: null,
@@ -244,8 +134,30 @@ function fakeViewer(lon, lat) {
   };
 }
 
-function annotationGroups(svg) {
-  return svg.children.filter((child) => child.classList.contains('gev-anno'));
+function controlledFrames() {
+  const listeners = new Set();
+  return {
+    event: {
+      addEventListener(listener) { listeners.add(listener); },
+      removeEventListener(listener) { listeners.delete(listener); },
+    },
+    emit() { for (const listener of [...listeners]) listener(); },
+    snapshot() { return [...listeners]; },
+    get size() { return listeners.size; },
+  };
+}
+
+function buildingAnnotation(id, offset = 0) {
+  const ring = [
+    [-99 + offset, 31], [-98.999 + offset, 31],
+    [-98.999 + offset, 31.001], [-99 + offset, 31.001],
+    [-99 + offset, 31],
+  ];
+  return {
+    id, type: 'area', color: 'primary', label: null, alpha: 1,
+    anchor: { ...naiveRingCentroid(ring), height: 100 },
+    ring, footprintKind: 'building', buildingHeight: 20, outlineCredit: 'tiles',
+  };
 }
 
 function naiveRingCentroid(ring) {
@@ -256,23 +168,23 @@ function naiveRingCentroid(ring) {
   return { lon: totals.lon / ring.length, lat: totals.lat / ring.length, height: 0 };
 }
 
-test('hybrid outline upgrade preserves the screen group and adds world geometry', (t) => {
-  const originalDocument = globalThis.document;
+test('hybrid outline upgrade preserves the screen group and adds world geometry', async (t) => {
   const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
+  const originalWindow = globalThis.window;
+  globalThis.window = { setTimeout: (fn) => { fn(); return 1; } };
   const originalBrowserConstructors = new Map([
     ['HTMLCanvasElement', globalThis.HTMLCanvasElement],
     ['HTMLImageElement', globalThis.HTMLImageElement],
     ['ImageBitmap', globalThis.ImageBitmap],
     ['OffscreenCanvas', globalThis.OffscreenCanvas],
   ]);
-  globalThis.document = fakeDocument();
   globalThis.requestAnimationFrame = (callback) => { callback(); return 1; };
   for (const name of originalBrowserConstructors.keys()) globalThis[name] = class {};
   t.after(() => {
-    if (originalDocument === undefined) delete globalThis.document;
-    else globalThis.document = originalDocument;
     if (originalRequestAnimationFrame === undefined) delete globalThis.requestAnimationFrame;
     else globalThis.requestAnimationFrame = originalRequestAnimationFrame;
+    if (originalWindow === undefined) delete globalThis.window;
+    else globalThis.window = originalWindow;
     for (const [name, original] of originalBrowserConstructors) {
       if (original === undefined) delete globalThis[name];
       else globalThis[name] = original;
@@ -281,13 +193,15 @@ test('hybrid outline upgrade preserves the screen group and adds world geometry'
 
   const camera = cameraLookingAt(-99, 31);
   const dataSources = [];
+  const frames = controlledFrames();
   const scene = {
     camera,
     canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 },
     frameState: { mode: Cesium.SceneMode.SCENE3D },
     clampToHeightSupported: true,
     clampToHeight: (world) => world,
-    postRender: { addEventListener() {}, removeEventListener() {} },
+    postRender: frames.event,
+    requestRender() {},
   };
   const viewer = {
     scene,
@@ -305,7 +219,7 @@ test('hybrid outline upgrade preserves the screen group and adds world geometry'
       },
     },
   };
-  const renderer = createHybridAnnotationRenderer(viewer);
+  const { store, renderer } = hybridWithBoard(viewer);
   const anno = {
     id: 'anno-hybrid-fb3',
     type: 'area',
@@ -319,10 +233,8 @@ test('hybrid outline upgrade preserves the screen group and adds world geometry'
   };
 
   renderer.add(anno);
-  const before = findAnnotationGroup(globalThis.document);
-  const originalCallout = before.group.querySelector('.gev-anno-callout');
-  const originalDot = before.group.querySelector('.gev-anno-dot');
-  assert.equal(before.group.querySelectorAll('.gev-anno-ring').length, 2);
+  const [before] = annotationGroups(store);
+  assert.equal(childrenWithClass(before, 'gev-anno-ring').length, 2);
   assert.equal(dataSources.length, 1);
   assert.equal(dataSources[0].entities.values.length, 0);
 
@@ -339,23 +251,83 @@ test('hybrid outline upgrade preserves the screen group and adds world geometry'
   anno.footprintKind = 'area';
   renderer.update(anno);
 
-  const after = findAnnotationGroup(globalThis.document);
+  const [after, ...others] = annotationGroups(store);
   const expectedWindow = Cesium.SceneTransforms.worldToWindowCoordinates(
     scene,
     Cesium.Cartesian3.fromDegrees(centroid.lon, centroid.lat, centroid.height),
   );
-  assert.equal(after.group, before.group, 'the real hybrid keeps the existing SVG group');
-  assert.equal(after.svg.children.filter((child) => child.classList.contains('gev-anno')).length, 1);
-  assert.equal(after.group.querySelectorAll('.gev-anno-ring').length, 0, 'screen reticle rings are removed');
-  assert.equal(after.group.querySelector('.gev-anno-callout'), originalCallout, 'the callout node is retained');
-  assert.equal(after.group.querySelector('.gev-anno-dot'), originalDot, 'the anchor dot is retained');
-  assert.equal(originalDot.getAttribute('cx'), expectedWindow.x.toFixed(1));
-  assert.equal(originalDot.getAttribute('cy'), expectedWindow.y.toFixed(1));
+  assert.equal(after.key, before.key, 'the real hybrid keeps the existing screen mark');
+  assert.equal(others.length, 0);
+  assert.equal(childrenWithClass(after, 'gev-anno-ring').length, 0, 'screen reticle rings are removed');
+  assert.deepEqual(
+    after.children.map((child) => child.key),
+    ['dot', 'leader', 'callout'],
+    'the dot, leader and callout are retained',
+  );
+  const dot = after.children.find((child) => child.key === 'dot');
+  assert.equal(dot.attrs.cx, expectedWindow.x.toFixed(1));
+  assert.equal(dot.attrs.cy, expectedWindow.y.toFixed(1));
   assert.deepEqual(centroid, { lon: -100.8, lat: 29.4, height: 0 }, 'closed-ring vertex mean stays pinned');
   assert.equal(dataSources[0].entities.values.length, 2, 'world area adds one fill and one outline');
   assert.equal(dataSources[0].entities.values.filter((entity) => entity.polygon).length, 1);
   assert.equal(dataSources[0].entities.values.filter((entity) => entity.polyline).length, 1);
   assert.equal(Object.hasOwn(anno, '_entities'), false, 'world entity state stays on the inherited proxy');
+  const outer = [
+    [-99, 31],
+    [-98.999, 31],
+    [-98.999, 31.001],
+    [-99, 31.001],
+    [-99, 31],
+  ];
+  const hole = [
+    [-98.9998, 31.0002],
+    [-98.9996, 31.0002],
+    [-98.9996, 31.0004],
+    [-98.9998, 31.0004],
+    [-98.9998, 31.0002],
+  ];
+  const island = outer.map(([lon, lat]) => [lon + 0.002, lat]);
+  const building = {
+    ...anno,
+    id: 'anno-multipart-building',
+    label: 'Building',
+    anchor: { lon: -99, lat: 31, height: 0 },
+    ring: outer,
+    polygons: [[outer, hole], [island]],
+    footprintKind: 'building',
+    buildingHeight: 20,
+  };
+  const completion = renderer.add(building);
+  assert.equal(dataSources[0].entities.values.length, 2, 'building geometry waits for all probes');
+  for (let frame = 0; frame < 8; frame += 1) frames.emit();
+  assert.equal((await completion).status, 'installed');
+  const added = dataSources[0].entities.values.slice(2);
+  const fills = added.filter(
+    (entity) => entity.polygon && entity.polygon.fill?.getValue() !== false,
+  );
+  assert.equal(
+    fills.length,
+    2,
+    'every building part gets a classification volume',
+  );
+  assert.equal(fills[0].polygon.hierarchy.getValue().holes.length, 1);
+  assert.equal(fills[1].polygon.hierarchy.getValue().holes.length, 0);
+  assert.equal(
+    fills[0].polygon.material,
+    fills[1].polygon.material,
+    'parts share the fill material',
+  );
+  assert.equal(
+    added.filter((entity) => entity.polyline).length,
+    3,
+    'all outer and hole outlines are retained',
+  );
+  renderer.remove(building);
+  assert.equal(
+    dataSources[0].entities.values.length,
+    2,
+    'multipart removal leaves only the earlier area',
+  );
   renderer.destroy();
 });
 
@@ -370,7 +342,7 @@ test('hybrid outline upgrade preserves the screen group and adds world geometry'
 test('a sub-renderer throw mid-add leaves state the rollback can still remove', (t) => {
   installBrowserGlobals(t);
   const { viewer, dataSources } = fakeViewer(-99, 31);
-  const renderer = createHybridAnnotationRenderer(viewer);
+  const { store, renderer } = hybridWithBoard(viewer);
   const ring = [[-106, 25], [-93, 25], [-93, 36], [-106, 36], [-106, 25]];
   const anno = {
     id: 'anno-partial-add',
@@ -386,20 +358,19 @@ test('a sub-renderer throw mid-add leaves state the rollback can still remove',
 
   // The world drape lands first; the screen caption then fails the way a lost
   // context does, AFTER the world geometry is already on the board.
-  const { svg } = findAnnotationGroup(globalThis.document);
-  const appendChild = svg.appendChild.bind(svg);
+  const publish = store.publish;
   let failNextInsert = true;
-  svg.appendChild = (child) => {
+  store.publish = (board) => {
     if (failNextInsert) {
       failNextInsert = false;
       throw new Error('screen insert failed');
     }
-    return appendChild(child);
+    return publish(board);
   };
 
   assert.throws(() => renderer.add(anno), /screen insert failed/);
   assert.equal(dataSources[0].entities.values.length, 2, 'the world drape is already live');
-  assert.equal(annotationGroups(svg).length, 0, 'the half-built screen group detached itself');
+  assert.equal(annotationGroups(store).length, 0, 'the half-built screen group detached itself');
 
   // The engine's rollback path — it must reach the partial state by id.
   renderer.remove(anno);
@@ -409,7 +380,7 @@ test('a sub-renderer throw mid-add leaves state the rollback can still remove',
   // an orphan nothing owns.
   renderer.add(anno);
   assert.equal(dataSources[0].entities.values.length, 2, 'the retry draws exactly one world drape');
-  assert.equal(annotationGroups(svg).length, 1, 'and exactly one screen caption');
+  assert.equal(annotationGroups(store).length, 1, 'and exactly one screen caption');
   renderer.remove(anno);
   assert.equal(dataSources[0].entities.values.length, 0);
   renderer.destroy();
@@ -418,7 +389,7 @@ test('a sub-renderer throw mid-add leaves state the rollback can still remove',
 test('a release that throws keeps the mark addressable for a retry cleanup', (t) => {
   installBrowserGlobals(t);
   const { viewer, dataSources } = fakeViewer(-99, 31);
-  const renderer = createHybridAnnotationRenderer(viewer);
+  const { store, renderer } = hybridWithBoard(viewer);
   const ring = [[-106, 25], [-93, 25], [-93, 36], [-106, 36], [-106, 25]];
   const anno = {
     id: 'anno-release-throw',
@@ -433,35 +404,34 @@ test('a release that throws keeps the mark addressable for a retry cleanup', (t)
   };
 
   renderer.add(anno);
-  const { svg } = findAnnotationGroup(globalThis.document);
   assert.equal(dataSources[0].entities.values.length, 2);
-  assert.equal(annotationGroups(svg).length, 1);
+  assert.equal(annotationGroups(store).length, 1);
 
   // The world route releases fine, then the screen release fails part-way
-  // (its fade-out timer throws) — so its SVG group is still in the document.
+  // (its fade-out timer throws) — so its mark is still on the board.
   const workingSetTimeout = globalThis.window.setTimeout;
   globalThis.window.setTimeout = () => { throw new Error('teardown scheduling failed'); };
   assert.throws(() => renderer.remove(anno), /teardown scheduling failed/);
   assert.equal(dataSources[0].entities.values.length, 0, 'the world route did release');
-  assert.equal(annotationGroups(svg).length, 1, 'the screen route did NOT — that is the orphan');
+  assert.equal(annotationGroups(store).length, 1, 'the screen route did NOT — that is the orphan');
 
   // Dropping the routing entry here would make that orphan permanently
   // unreachable. It must still be addressable, so a retry finishes the job.
   globalThis.window.setTimeout = workingSetTimeout;
   renderer.remove(anno);
-  assert.equal(annotationGroups(svg).length, 0, 'the retry cleanup must reach the orphan');
+  assert.equal(annotationGroups(store).length, 0, 'the retry cleanup must reach the orphan');
   assert.equal(dataSources[0].entities.values.length, 0, 'without double-releasing the world route');
 
   // Fully released now — a third call is inert.
   renderer.remove(anno);
-  assert.equal(annotationGroups(svg).length, 0);
+  assert.equal(annotationGroups(store).length, 0);
   renderer.destroy();
 });
 
 test('a world add that fails mid-way leaves its landed entities removable', (t) => {
   installBrowserGlobals(t);
   const { viewer, dataSources } = fakeViewer(-99, 31);
-  const renderer = createHybridAnnotationRenderer(viewer);
+  const { store, renderer } = hybridWithBoard(viewer);
   const ring = [[-106, 25], [-93, 25], [-93, 36], [-106, 36], [-106, 25]];
   const anno = {
     id: 'anno-partial-world-add',
@@ -493,9 +463,324 @@ test('a world add that fails mid-way leaves its landed entities removable', (t)
   assert.equal(entities.values.length, 0,
     'the rollback must see the entities that landed before the throw');
 
-  const { svg } = findAnnotationGroup(globalThis.document);
   renderer.add(anno);
   assert.equal(entities.values.length, 2, 'the retry draws a complete mark');
-  assert.equal(annotationGroups(svg).length, 1);
+  assert.equal(annotationGroups(store).length, 1);
+  renderer.destroy();
+});
+
+function workTrace() {
+  return { timeOrigin: performance.timeOrigin, slices: [], dropped: 0 };
+}
+
+test('buildings share one probe per frame and preserve probe geometry, filtering and fallback', async (t) => {
+  installBrowserGlobals(t);
+  const { viewer, dataSources, frames } = fakeViewer(-99, 31);
+  const renderer = createHybridAnnotationRenderer(viewer);
+  t.after(() => renderer.destroy());
+  const first = buildingAnnotation('sampled-building');
+  const second = buildingAnnotation('fallback-building', 0.01);
+  second.outlineCredit = 'osm';
+  const otherOwner = {};
+  showOsmCredit(viewer, otherOwner);
+  const probes = [];
+  const outcomes = [-500, 120, 30, null, new Error('tile unavailable'), 60, 9001, 90];
+  viewer.scene.clampToHeight = (position) => {
+    const cartographic = Cesium.Cartographic.fromCartesian(position);
+    const lon = Cesium.Math.toDegrees(cartographic.longitude);
+    const lat = Cesium.Math.toDegrees(cartographic.latitude);
+    probes.push([lon, lat]);
+    const outcome = outcomes[probes.length - 1];
+    if (outcome instanceof Error) throw outcome;
+    return outcome == null ? undefined : Cesium.Cartesian3.fromDegrees(lon, lat, outcome);
+  };
+  // Suppress screen points: these counts concern the eight outside-building
+  // probes, not the screen renderer's separate anchor-height sampling.
+  const firstTrace = workTrace();
+  const secondTrace = workTrace();
+  let diagnosticWriteFaults = 0;
+  Object.defineProperty(secondTrace, 'groundDetailDropped', {
+    get: () => 0,
+    set() {
+      diagnosticWriteFaults += 1;
+      throw new Error('diagnostic sink unavailable');
+    },
+    enumerable: true,
+  });
+  const firstCompletion = renderer.add(first, { pendingVisible: false, workTrace: firstTrace });
+  const secondCompletion = renderer.add(second, { pendingVisible: false, workTrace: secondTrace });
+  assert.equal(probes.length, 0, 'enqueue must not probe synchronously');
+  assert.equal(dataSources[0].entities.values.length, 0);
+  assert.equal([...viewer.credits].filter(c => c.showOnScreen).length, 1,
+    'pending outlines add no tile credit to the other owner');
+  for (let frame = 0; frame < 16; frame += 1) {
+    const before = probes.length;
+    frames.emit();
+    assert.equal(probes.length, before + 1, 'the two buildings share one total probe budget');
+    if (frame < 7) assert.equal(dataSources[0].entities.values.length, 0, 'no partial world parts');
+  }
+  const [installed, fallback] = await Promise.all([firstCompletion, secondCompletion]);
+  assert.equal(installed.status, 'installed');
+  assert.equal(fallback.status, 'installed');
+  assert.equal([...viewer.credits].filter(c => c.showOnScreen).length, 2);
+  assert.equal(installed.timing.probes, 8);
+  assert.equal(fallback.timing.probes, 8);
+  assert.ok(diagnosticWriteFaults > 0, 'the diagnostic failure was exercised');
+  for (const trace of [firstTrace, secondTrace]) {
+    assert.equal(trace.probes, 8);
+    assert.equal(trace.samplerStatus, 'installed');
+    assert.equal(trace.rendererStatus, 'installed');
+    assert.equal(trace.slices.filter(s => s.phase === 'ground-step').length, 8);
+    assert.equal(trace.slices.filter(s => s.phase === 'hybrid-complete').length, 1);
+    assert.equal(trace.dropped, 0);
+    assert.ok(trace.slices.every(s => Number.isFinite(s.start) && Number.isFinite(s.end) && s.end >= s.start));
+    assert.equal(trace.timeOrigin, performance.timeOrigin);
+    const parents = trace.slices.filter(s => s.phase === 'ground-step');
+    for (const [index, parent] of parents.entries()) {
+      const detail = parent.detail;
+      assert.equal(detail.index, index);
+      assert.equal(detail.status, trace === firstTrace ? 'recorded' : 'missing');
+      assert.equal(detail.clampResult,
+        trace === firstTrace && index === 4 ? 'threw' : 'returned');
+      assert.ok(Number.isFinite(detail.clampStart) && Number.isFinite(detail.clampEnd));
+      assert.ok(parent.start <= detail.clampStart && detail.clampStart <= detail.clampEnd && detail.clampEnd <= parent.end);
+      if (index === 7) {
+        assert.equal(detail.commitStatus, 'attempted');
+        assert.ok(Number.isFinite(detail.commitStart) && Number.isFinite(detail.commitEnd));
+        assert.ok(detail.clampEnd <= detail.commitStart && detail.commitStart <= detail.commitEnd && detail.commitEnd <= parent.end);
+      } else {
+        assert.equal(detail.commitStatus, 'not-run');
+        assert.equal(detail.commitStart, null);
+        assert.equal(detail.commitEnd, null);
+      }
+    }
+  }
+  assert.notEqual(firstTrace.slices, secondTrace.slices);
+  assert.ok(firstTrace.slices.filter(s => s.phase === 'ground-step').at(-1).end <= secondTrace.slices.find(s => s.phase === 'ground-step').start, 'each queued task records only its own sampling frames');
+  const centroid = naiveRingCentroid(first.ring);
+  const lonScale = 111320 * Math.cos(Cesium.Math.toRadians(centroid.lat));
+  const radius = Math.max(...first.ring.map(([lon, lat]) =>
+    Math.hypot((lon - centroid.lon) * lonScale, (lat - centroid.lat) * 111320)));
+  const distance = radius * 1.5 + 12;
+  const directions = [[1, 0], [-1, 0], [0, 1], [0, -1], [0.7, 0.7], [-0.7, -0.7], [0.7, -0.7], [-0.7, 0.7]];
+  for (let index = 0; index < 8; index += 1) {
+    const [dx, dy] = directions[index];
+    assert.ok(Math.abs(probes[index][0] - (centroid.lon + dx * distance / lonScale)) < 1e-10);
+    assert.ok(Math.abs(probes[index][1] - (centroid.lat + dy * distance / 111320)) < 1e-10);
+    assert.ok(Math.abs(probes[index + 8][0] - probes[index][0] - 0.01) < 1e-10);
+    assert.ok(Math.abs(probes[index + 8][1] - probes[index][1]) < 1e-10);
+  }
+  assert.equal(new Set(probes.slice(0, 8).map((point) => point.join(','))).size, 8);
+  const fills = dataSources[0].entities.values.filter((entity) => entity.polygon?.fill?.getValue() !== false && entity.polygon);
+  assert.equal(fills.length, 2);
+  assert.ok(Math.abs(fills[0].polygon.height.getValue() - 57) < 1e-6, 'four accepted samples select floor(4 * 0.3), height 60 minus 3');
+  assert.ok(Math.abs(fills[1].polygon.height.getValue() - 77) < 1e-6, 'all unavailable probes retain anchor minus building height fallback');
+  const afterCompletion = probes.length;
+  frames.emit();
+  assert.equal(probes.length, afterCompletion, 'completion releases the sampler');
+  renderer.remove(first);
+  assert.equal([...viewer.credits].filter(c => c.showOnScreen).length, 1,
+    'removing the last tile proxy retains the OSM building and other owner');
+  renderer.remove(second);
+  assert.equal([...viewer.credits].filter(c => c.showOnScreen).length, 1);
+  hideOsmCredit(viewer, otherOwner);
+  assert.equal(viewer.credits.size, 0);
+});
+
+test('a building queued behind others gets its full budget on a slow device', async (t) => {
+  installBrowserGlobals(t);
+  t.mock.timers.enable({ apis: ['setTimeout'] });
+  t.after(() => t.mock.timers.reset());
+  // The renderers' per-frame budget checks read performance.now(); it follows
+  // the same mocked clock as the timers.
+  let now = 0;
+  t.mock.method(globalThis.performance, 'now', () => now);
+  const { viewer, frames } = fakeViewer(-99, 31);
+  const renderer = createHybridAnnotationRenderer(viewer);
+  viewer.scene.clampToHeight = (position) => position;
+  const traces = [workTrace(), workTrace(), workTrace()];
+  const completions = [0, 0.01, 0.02].map((offset, index) =>
+    renderer.add(buildingAnnotation(`queued-${index}`, offset), {
+      pendingVisible: false,
+      workTrace: traces[index],
+    }));
+  // Eight probes per building at one probe per frame, at about 5 fps: each
+  // building samples for 1.5 s, so the third waits 3 s in line. Pending
+  // promise work runs between frames, as it does in a browser.
+  for (let building = 0; building < 3; building += 1) {
+    for (let frame = 0; frame < 8; frame += 1) {
+      now += 187.5;
+      t.mock.timers.tick(187.5);
+      frames.emit();
+      await new Promise((resolve) => setImmediate(resolve));
+    }
+  }
+  const results = await Promise.all(completions);
+  assert.deepEqual(results.map((result) => result.status), ['installed', 'installed', 'installed']);
+  assert.deepEqual(traces.map((trace) => trace.samplerStatus), ['installed', 'installed', 'installed']);
+  assert.ok(traces[2].samplerHeadAt - traces[2].samplerStart >= 2000, 'the third waited longer than one budget');
+  assert.ok(traces[2].samplerHeadAt >= traces[1].samplerHeadAt);
+});
+
+test('building cancellation, queued deadline and destroy prevent saved callbacks from committing', async (t) => {
+  installBrowserGlobals(t);
+  t.mock.timers.enable({ apis: ['setTimeout'] });
+  t.after(() => t.mock.timers.reset());
+  const { viewer, dataSources, frames } = fakeViewer(-99, 31);
+  const renderer = createHybridAnnotationRenderer(viewer);
+  let probeCount = 0;
+  viewer.scene.clampToHeight = (position) => { probeCount += 1; return position; };
+  const cancelled = buildingAnnotation('cancelled-building');
+  const cancelledTrace = workTrace();
+  const cancelledCompletion = renderer.add(cancelled, { pendingVisible: false, workTrace: cancelledTrace });
+  const savedCancelled = frames.snapshot();
+  renderer.remove(cancelled);
+  assert.equal((await cancelledCompletion).status, 'cancelled');
+  assert.equal(cancelledTrace.samplerStatus, 'cancelled');
+  assert.equal(cancelledTrace.rendererStatus, 'cancelled');
+  assert.equal(cancelledTrace.slices.filter(s => s.phase === 'ground-step').length, 0);
+  for (const listener of savedCancelled) listener();
+  assert.equal(probeCount, 0);
+  assert.equal(viewer.credits.size, 0);
+
+  const head = buildingAnnotation('deadline-head');
+  const tail = buildingAnnotation('deadline-tail', 0.01);
+  const headCompletion = renderer.add(head, { pendingVisible: false });
+  const tailTrace = workTrace();
+  const tailCompletion = renderer.add(tail, { pendingVisible: false, workTrace: tailTrace });
+  frames.emit();
+  assert.equal(probeCount, 1);
+  const savedTimeout = frames.snapshot();
+  // No further renderer frames arrive: the head's deadline fires, then the
+  // tail gets its own budget from the moment it reaches the head and still
+  // times out without frames, even though it never had a chance to sample.
+  const rendersBefore = viewer.scene.renderRequests;
+  t.mock.timers.tick(2000);
+  assert.equal((await headCompletion).status, 'timeout');
+  assert.ok(viewer.scene.renderRequests > rendersBefore, 'a promoted tail asks for a frame');
+  assert.equal(tailTrace.samplerStatus, undefined, 'queue wait does not spend the tail budget');
+  assert.ok(Number.isFinite(tailTrace.samplerHeadAt), 'the tail starts its own budget at the head');
+  t.mock.timers.tick(2000);
+  const tailResult = await tailCompletion;
+  assert.equal(tailResult.status, 'timeout');
+  assert.equal(tailResult.timing.probes, 0);
+  assert.equal(tailTrace.samplerStatus, 'timeout');
+  assert.equal(tailTrace.rendererStatus, 'timeout');
+  assert.equal(tailTrace.slices.filter(s => s.phase === 'ground-step').length, 0);
+  assert.equal(tailTrace.slices.filter(s => s.phase === 'hybrid-complete').length, 1);
+  assert.equal(viewer.credits.size, 0);
+  for (const listener of savedTimeout) listener();
+  assert.equal(probeCount, 1, 'saved callbacks cannot revive timed-out tasks');
+  assert.equal(dataSources[0].entities.values.length, 0);
+
+  const pending = buildingAnnotation('destroyed-building');
+  const destruction = renderer.add(pending, { pendingVisible: false });
+  const savedDestroy = frames.snapshot();
+  renderer.destroy();
+  assert.equal((await destruction).status, 'cancelled');
+  for (const listener of savedDestroy) listener();
+  t.mock.timers.tick(2000);
+  assert.equal(probeCount, 1);
+  assert.equal(dataSources.length, 0, 'destroy removes the owned data source');
+  assert.equal(frames.size, 0, 'destroy removes frame listeners');
+  assert.equal(viewer.credits.size, 0);
+});
+
+test('a timed-out building upgrade keeps its existing pending screen group', async (t) => {
+  installBrowserGlobals(t);
+  t.mock.timers.enable({ apis: ['setTimeout'] });
+  t.after(() => t.mock.timers.reset());
+  const { viewer, dataSources, frames } = fakeViewer(-99, 31);
+  const { store, renderer } = hybridWithBoard(viewer);
+  const anno = { ...buildingAnnotation('pending-upgrade'), ring: null, label: 'Building' };
+  renderer.add(anno);
+  const [before] = annotationGroups(store);
+  anno.ring = buildingAnnotation('geometry').ring;
+  const completion = renderer.update(anno);
+  t.mock.timers.tick(2000);
+  assert.equal((await completion).status, 'timeout');
+  const [after, ...others] = annotationGroups(store);
+  assert.equal(after.key, before.key);
+  assert.equal(others.length, 0);
+  assert.ok(childrenWithClass(after, 'gev-anno-ring').length > 0, 'the honest pending point is not converted');
+  assert.equal(dataSources[0].entities.values.length, 0);
+  frames.emit();
+  assert.equal(dataSources[0].entities.values.length, 0);
+  renderer.destroy();
+});
+
+test('an asynchronous caption-conversion throw rolls back multipart world geometry and remains removable', async (t) => {
+  installBrowserGlobals(t);
+  const { viewer, dataSources, frames } = fakeViewer(-99, 31);
+  const { store, renderer } = hybridWithBoard(viewer);
+  const anno = { ...buildingAnnotation('caption-failure'), ring: null, label: 'Building' };
+  renderer.add(anno);
+  anno.ring = buildingAnnotation('geometry').ring;
+  const hole = anno.ring.map(([lon, lat]) => [lon + 0.0002, lat + 0.0002]);
+  const island = anno.ring.map(([lon, lat]) => [lon + 0.002, lat]);
+  anno.polygons = [[anno.ring, hole], [island]];
+  const captionTrace = workTrace();
+  const completion = renderer.update(anno, { workTrace: captionTrace });
+  // Frame projection is still ordinary pending-point work. Arm the failure
+  // only after sampling completes, before its promise converts the caption.
+  for (let frame = 0; frame < 8; frame += 1) frames.emit();
+  assert.ok(dataSources[0].entities.values.length > 0, 'multipart world geometry landed before caption conversion');
+  assert.equal(viewer.credits.size, 2, 'credit belongs to the committed world proxy');
+  // The caption conversion fails when it presents the converted mark.
+  const publish = store.publish;
+  const failure = new Error('caption conversion failed');
+  let armed = true;
+  store.publish = (board) => {
+    if (armed) {
+      armed = false;
+      throw failure;
+    }
+    return publish(board);
+  };
+  // Also fail screen teardown once: the routing entry must survive this second
+  // failure so explicit cleanup can still reach the partial screen state.
+  const workingSetTimeout = globalThis.window.setTimeout;
+  globalThis.window.setTimeout = () => { throw new Error('teardown scheduling failed'); };
+  const rejected = assert.rejects(completion, (error) => error === failure);
+  await rejected;
+  assert.equal(captionTrace.rendererStatus, 'failed');
+  assert.equal(captionTrace.slices.filter(s => s.phase === 'ground-step').length, 8);
+  assert.equal(captionTrace.slices.filter(s => s.phase === 'hybrid-complete').length, 1);
+  assert.equal(captionTrace.slices.filter(s => s.phase === 'hybrid-rollback').length, 1);
+  assert.equal(dataSources[0].entities.values.length, 0, 'all classification, cage and outline parts roll back');
+  assert.equal(viewer.credits.size, 0, 'caption rollback releases that same proxy');
+  assert.equal(annotationGroups(store).length, 1, 'failed screen cleanup remains addressable');
+  globalThis.window.setTimeout = workingSetTimeout;
+  store.publish = publish;
+  renderer.remove(anno);
+  assert.equal(annotationGroups(store).length, 0);
+  renderer.remove(anno);
+  renderer.destroy();
+});
+
+test('a deadline passed during caption conversion leaves a drawn pending point', async (t) => {
+  installBrowserGlobals(t);
+  let now = 0;
+  t.mock.method(globalThis.performance, 'now', () => now);
+  const { viewer, frames } = fakeViewer(-99, 31);
+  const { store, renderer } = hybridWithBoard(viewer);
+  // Unlabeled: the conversion empties the screen group rather than relabelling it.
+  const anno = { ...buildingAnnotation('late-timeout'), ring: null };
+  renderer.add(anno);
+  anno.ring = buildingAnnotation('geometry').ring;
+  const completion = renderer.update(anno);
+  for (let frame = 0; frame < 8; frame += 1) frames.emit();
+  // The clock passes the deadline while the conversion presents the board.
+  const publish = store.publish;
+  store.publish = (board) => {
+    now = 1e9;
+    return publish(board);
+  };
+  assert.equal((await completion).status, 'timeout');
+  store.publish = publish;
+  const live = annotationGroups(store).filter((mark) => !mark.className?.includes('gev-out'));
+  assert.equal(live.length, 1);
+  assert.ok(childrenWithClass(live[0], 'gev-anno-ring').length > 0, 'the pending point still draws');
+  renderer.remove(anno);
   renderer.destroy();
 });

src/annotations/outlineIdentity.test.mjs

@@ -0,0 +1,164 @@
+// Multipart outline identity and street highlights in the annotation engine.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  createAnnotationEngine,
+  promoteStreetHighlight,
+} from './annotationEngine.js';
+
+function installAnimationFrameStubs(t) {
+  const raf = globalThis.requestAnimationFrame;
+  const caf = globalThis.cancelAnimationFrame;
+  globalThis.requestAnimationFrame = () => 1;
+  globalThis.cancelAnimationFrame = () => {};
+  t.after(() => {
+    if (raf === undefined) delete globalThis.requestAnimationFrame;
+    else globalThis.requestAnimationFrame = raf;
+    if (caf === undefined) delete globalThis.cancelAnimationFrame;
+    else globalThis.cancelAnimationFrame = caf;
+  });
+}
+
+const renderer = { add() {}, update() {}, remove() {}, sync() {} };
+const outer = [
+  [0, 0],
+  [0.01, 0],
+  [0.01, 0.01],
+  [0, 0.01],
+  [0, 0],
+];
+const hole = (d) => [
+  [0.004, 0.004],
+  [0.004 + d, 0.004],
+  [0.004 + d, 0.004 + d],
+  [0.004, 0.004],
+];
+
+test('outlines sharing an outer ring but not their holes stay two marks', async (t) => {
+  installAnimationFrameStubs(t);
+  const shapes = {
+    a: [[outer, hole(0.001)]],
+    b: [[outer, hole(0.002)]],
+    same: [[outer, hole(0.001)]],
+  };
+  const resolveTarget = async ({ target }) => ({
+    lon: 0.005,
+    lat: 0.005,
+    height: 0,
+    label: target,
+    source: 'fake',
+    ring: outer,
+    polygons: shapes[target],
+    footprintKind: 'area',
+  });
+  const engine = createAnnotationEngine({
+    viewer: {},
+    renderer,
+    resolveTarget,
+  });
+  await engine.annotate({ type: 'area', target: 'a', label: 'A' });
+  await engine.annotate({ type: 'area', target: 'b', label: 'B' });
+  assert.equal(engine.list().length, 2, 'different holes: different marks');
+  await engine.annotate({ type: 'area', target: 'same', label: 'Same' });
+  assert.equal(engine.list().length, 2, 'identical parts and holes: one mark');
+});
+
+test('a street highlight asks for the street outline', () => {
+  assert.deepEqual(
+    promoteStreetHighlight({ type: 'highlight', target: 'Congress Avenue' }),
+    { type: 'area', target: 'Congress Avenue', entityKind: 'street' },
+  );
+  assert.equal(
+    promoteStreetHighlight({
+      type: 'highlight',
+      target: 'Lombard St, San Francisco',
+    }).type,
+    'area',
+  );
+  assert.equal(
+    promoteStreetHighlight({
+      type: 'highlight',
+      target: 'the Alamo',
+      entityKind: 'street',
+    }).type,
+    'area',
+  );
+  for (const spec of [
+    { type: 'highlight', target: "St Peter's Basilica" },
+    { type: 'highlight', target: 'Zilker Park' },
+    { type: 'highlight', target: 'Congress Avenue', footprint: false },
+    { type: 'highlight', target: 'Congress Avenue', entityKind: 'building' },
+    { type: 'pin', target: 'Congress Avenue' },
+  ])
+    assert.equal(promoteStreetHighlight(spec), spec, JSON.stringify(spec));
+});
+
+test('the engine resolves a bare street highlight with its footprint', async (t) => {
+  installAnimationFrameStubs(t);
+  const seen = [];
+  const resolveTarget = async (args) => {
+    seen.push(args);
+    return {
+      lon: -97.74,
+      lat: 30.27,
+      height: 0,
+      label: args.target,
+      source: 'fake',
+      ring: null,
+    };
+  };
+  const engine = createAnnotationEngine({
+    viewer: {},
+    renderer,
+    resolveTarget,
+  });
+  await engine.annotate({
+    type: 'highlight',
+    target: 'Congress Avenue',
+    label: 'Congress',
+  });
+  assert.equal(seen[0].footprint, true);
+  assert.equal(seen[0].entityKind, 'street');
+});
+
+test('a duplicate that fails to clean up never costs the new outline', async (t) => {
+  installAnimationFrameStubs(t);
+  const polygons = [[outer]];
+  const outline = { ring: outer, polygons, footprintKind: 'area' };
+  const point = { lon: 0.005, lat: 0.005, height: 0, source: 'fake' };
+  // "Old" draws at once; "New" resolves the same polygon later.
+  const resolveTarget = async ({ target }) =>
+    target === 'old'
+      ? { ...point, label: target, ...outline }
+      : {
+          ...point,
+          label: target,
+          resolveOutline: async () => ({ ...point, ...outline }),
+        };
+  const stuck = new Set();
+  const outcomes = [];
+  const engine = createAnnotationEngine({
+    viewer: {},
+    renderer: {
+      ...renderer,
+      add(anno) {
+        if (anno.label === 'Old') stuck.add(anno);
+      },
+      remove(anno) {
+        if (stuck.has(anno)) throw new Error('renderer refused');
+      },
+    },
+    resolveTarget,
+  });
+  engine.onOutlineEvent((event) => outcomes.push(event));
+  await engine.annotate({ type: 'area', target: 'old', label: 'Old' });
+  await engine.annotate({ type: 'area', target: 'new', label: 'New' });
+  for (let i = 0; i < 10; i++) await new Promise((r) => setTimeout(r, 0));
+  const fresh = engine.list().find((mark) => mark.label === 'New');
+  assert.equal(fresh?.footprintKind, 'area', 'the new mark keeps its outline');
+  assert.notEqual(fresh.outlineUnavailable, true);
+  assert.deepEqual(
+    outcomes.filter((event) => event.label === 'New').map((e) => e.status),
+    ['resolved'],
+  );
+});

src/annotations/outlineRungs.js

@@ -0,0 +1,371 @@
+import {
+  bufferCorridor,
+  ringAreaM2,
+  ringCentroid,
+} from '../sources/featureGeometry.js';
+import { isUnavailableCapability } from '../sources/capability.js';
+import { containsAnchor } from '../data/adminBoundaries.js';
+import { lonLatToTile } from '../data/tomtomTiles.js';
+import {
+  BUILDING_MAX_DISTANCE_M,
+  GROUNDS_WORDS_RE,
+  OUTLINE_TILE_ZOOM,
+  STREET_RADIUS_M,
+  boxAround,
+  buildingFromTiles,
+  createOpenFreeMapOutlineSource,
+  enclosingAreaFromTiles,
+  groundsClassesFor,
+  streetFromTiles,
+} from '../sources/openFreeMapOutlines.js';
+import { createNominatimOutlineClient } from '../sources/nominatimOutlines.js';
+
+export { containsAnchor };
+
+/**
+ * Outline rungs that need no Overpass, around the resolver's existing ladder:
+ *
+ *   bundled rungs (inside the base ladder)
+ *   → OpenFreeMap tiles for streets and pointed-at buildings
+ *   → operator Overpass, when configured (the base ladder, unchanged)
+ *   → the server's guarded Nominatim outline (cities, landmarks, grounds,
+ *     parks, lakes, campuses, named buildings)
+ *   → OpenFreeMap building at the point, for a named building nobody outlined
+ *   → the base answer: an honest point marked "outline unavailable".
+ *
+ * Every rung returns the resolver's footprint shape
+ * `{ ring, polygons?, kind, heightM, synthesized }` and hands it to the
+ * resolver's `finish`, which applies the scope caps and drift bound and
+ * re-centres the anchor. Nothing here fetches without an explicit ask.
+ */
+
+/** Half-width (m) of the ribbon drawn along a street. */
+const STREET_HALF_WIDTH_M = 11;
+
+/** A Nominatim "grounds" answer smaller than this is a building, not grounds. */
+const GROUNDS_MIN_AREA_M2 = 20_000;
+
+/** Words that point at the thing rather than name it. */
+const DEICTIC_RE =
+  /^(?:(?:this|that|the|my)\s+)?(?:building|house|structure|tower|place|one|thing|spot|here|there|it)$/i;
+
+/** Whether the ask names a thing (vs. "this building" at a pointer). */
+export function isNamedAsk(target) {
+  const text = String(target || '').trim();
+  return Boolean(text) && !DEICTIC_RE.test(text) && /\p{L}/u.test(text);
+}
+
+/** The words sent to Nominatim: the ask without grounds words or articles. */
+export function outlineQueryText(target) {
+  return String(target || '')
+    .replace(GROUNDS_WORDS_RE, ' ')
+    .replace(/^\s*the\s+/i, '')
+    .replace(/\s+/g, ' ')
+    .trim();
+}
+
+/**
+ * Which Nominatim ask kind (if any) suits a resolver scope.
+ * Neighbourhoods and streets are not sent: bundled packs and tiles own them.
+ */
+export function nominatimKindFor({ scope, groundsLike, pointLike, around }) {
+  if (pointLike) return null;
+  // "Around" asks get a buffer, except grounds: the grounds ARE the thing.
+  if (around && !groundsLike) return null;
+  if (scope === 'city') return 'city';
+  if (scope === 'state' || scope === 'county' || scope === 'country')
+    return 'admin';
+  if (groundsLike) return 'landmark';
+  if (scope === 'building') return 'building';
+  if (scope === 'compound' || scope === 'auto') return 'landmark';
+  return null;
+}
+
+/**
+ * Parts with the one holding the anchor outside its holes first. A boundary
+ * can be largest at sea (Tokyo's island municipalities), so size alone does
+ * not pick the part the ask is about; with no part holding the anchor, the
+ * order is kept.
+ */
+export function anchorPartFirst(polygons, points) {
+  for (const { lat, lon } of points) {
+    if (!Number.isFinite(lat) || !Number.isFinite(lon)) continue;
+    const at = polygons.findIndex((polygon) =>
+      containsAnchor([polygon], lat, lon),
+    );
+    if (at > 0) return [polygons[at], ...polygons.filter((_, i) => i !== at)];
+    if (at === 0) return polygons;
+  }
+  return polygons;
+}
+
+/** Whether a base answer is final (a real outline, or "try again later"). */
+function keepBase(result) {
+  if (result === undefined) return true;
+  if (result?.rateLimited === true) return true;
+  if (isUnavailableCapability(result)) return false;
+  return Boolean(result?.ring) && !result.synthesized;
+}
+
+/** Street polylines → one ribbon polygon per chain (longest first). */
+export function streetFootprint(street) {
+  const polygons = street.lines
+    .filter((line) => line.length >= 2)
+    .map((line) => [bufferCorridor(line, STREET_HALF_WIDTH_M)]);
+  if (!polygons.length) return null;
+  return {
+    ring: polygons[0][0],
+    polygons,
+    lines: street.lines,
+    kind: 'area',
+    heightM: null,
+    synthesized: false,
+  };
+}
+
+// Rungs built without their own tiles share one outline source, so a second
+// resolver instance cannot add another outline cache to the tile budget.
+let defaultOutlineTiles = null;
+const sharedOutlineTiles = () =>
+  (defaultOutlineTiles ??= createOpenFreeMapOutlineSource());
+
+export function createOutlineRungs({
+  tiles = sharedOutlineTiles(),
+  nominatim = createNominatimOutlineClient(),
+} = {}) {
+  /**
+   * Decoded tiles around a point, or null when the tiles cannot be read. With
+   * `needAnchor`, a partial load that lost the point's own tile is null too: a
+   * neighbouring tile alone cannot show what is at the point, so a nearby
+   * building or area would stand in for it.
+   */
+  async function tilesAround(lat, lon, radiusM, signal, needAnchor = false) {
+    try {
+      const {
+        tiles: decoded,
+        partial,
+        loadedTiles,
+      } = await tiles.fetchBounds(boxAround(lat, lon, radiusM), {
+        zoom: OUTLINE_TILE_ZOOM,
+        signal,
+      });
+      if (needAnchor && partial && Array.isArray(loadedTiles)) {
+        const anchor = lonLatToTile(lon, lat, OUTLINE_TILE_ZOOM);
+        if (!loadedTiles.some((t) => t.x === anchor.x && t.y === anchor.y))
+          return null;
+      }
+      return decoded;
+    } catch (error) {
+      signal?.throwIfAborted();
+      if (error?.name === 'AbortError') throw error;
+      return null;
+    }
+  }
+
+  async function streetRung(ctx) {
+    const name = ctx.matchName || ctx.target;
+    if (!isNamedAsk(name)) return null;
+    const decoded = await tilesAround(
+      ctx.lat,
+      ctx.lon,
+      STREET_RADIUS_M,
+      ctx.signal,
+    );
+    if (!decoded) return null;
+    const street = streetFromTiles(decoded, {
+      name,
+      lat: ctx.lat,
+      lon: ctx.lon,
+    });
+    return street ? streetFootprint(street) : null;
+  }
+
+  async function buildingRung(ctx, requireContainment = false) {
+    const decoded = await tilesAround(
+      ctx.lat,
+      ctx.lon,
+      BUILDING_MAX_DISTANCE_M * 2,
+      ctx.signal,
+      true,
+    );
+    const building = decoded && buildingFromTiles(decoded, ctx);
+    if (!building || (requireContainment && building.contains !== true))
+      return null;
+    return {
+      ring: building.ring,
+      polygons: building.polygons,
+      kind: 'building',
+      heightM: building.heightM,
+      synthesized: false,
+    };
+  }
+
+  /** The open area enclosing `seed` (the named feature) or the anchor. */
+  async function groundsRung(ctx, seed = null) {
+    const at = seed || { lat: ctx.lat, lon: ctx.lon };
+    const decoded = await tilesAround(at.lat, at.lon, 600, ctx.signal, true);
+    const area =
+      decoded &&
+      enclosingAreaFromTiles(decoded, {
+        lat: at.lat,
+        lon: at.lon,
+        name: outlineQueryText(ctx.target || ctx.matchName),
+        // The kind the ask names ("… School grounds") lets unnamed tile
+        // landuse of that class answer; read before grounds words are cut.
+        unnamedClasses: groundsClassesFor(ctx.target || ctx.matchName),
+        minAreaM2: GROUNDS_MIN_AREA_M2,
+      });
+    if (!area || !containsAnchor(area.polygons, ctx.lat, ctx.lon)) return null;
+    return {
+      ring: area.ring,
+      polygons: area.polygons,
+      kind: 'area',
+      heightM: null,
+      synthesized: false,
+    };
+  }
+
+  async function nominatimRung(ctx, kind) {
+    const query = outlineQueryText(
+      kind === 'city' || kind === 'admin'
+        ? ctx.matchName || ctx.target
+        : ctx.target || ctx.matchName,
+    );
+    if (!isNamedAsk(query)) return null;
+    const bias = ctx.view || { lat: ctx.lat, lon: ctx.lon };
+    const outline = await nominatim.lookup(
+      {
+        query,
+        kind,
+        lat: bias.lat,
+        lon: bias.lon,
+        anchorLat: ctx.lat,
+        anchorLon: ctx.lon,
+      },
+      { signal: ctx.signal },
+    );
+    if (!outline?.polygons?.length) return outline; // null | undefined | unavailable | rateLimited
+    // Named outlines must retain the resolved place's authority,
+    // including holes; a nearby same-name polygon is not the selected place.
+    if (!containsAnchor(outline.polygons, ctx.lat, ctx.lon)) return null;
+    const polygons = anchorPartFirst(outline.polygons, [
+      { lat: ctx.lat, lon: ctx.lon },
+    ]);
+    const ring = polygons[0][0];
+    // A grounds ask answered by a building-sized polygon found the named
+    // building, not its grounds: keep its position to find what encloses it.
+    if (ctx.groundsLike && ringAreaM2(ring) < GROUNDS_MIN_AREA_M2)
+      return { groundsSeed: ringCentroid(ring) };
+    return {
+      ring,
+      polygons,
+      kind:
+        kind === 'building' || outline.class === 'building'
+          ? 'building'
+          : 'area',
+      heightM: null,
+      synthesized: false,
+      outlineName: outline.name,
+    };
+  }
+
+  /**
+   * Run the ladder for one resolved anchor.
+   *
+   * @param {object} ctx  scope, target, matchName, lat, lon, named anchor facts,
+   *                      view centre, signal, and `credit(kind)`.
+   * @param {{base: () => Promise<any>, finish: (fp: object, scope: string) => any}} ladder
+   */
+  async function resolve(ctx, { base, finish }) {
+    const { scope } = ctx;
+    const named = ctx.fromName && isNamedAsk(ctx.target);
+    // A cancelled ask (board cleared, superseded) stops between rungs, so it
+    // never spends a Nominatim request.
+    const alive = () => ctx.signal?.throwIfAborted();
+    const accept = (fp, asScope = scope, provider) => {
+      alive();
+      if (!fp) return null;
+      const patch = finish(fp, asScope);
+      if (patch?.ring) {
+        patch.outlineCredit = provider === 'openfreemap' ? 'tiles' : 'osm';
+        ctx.credit?.(patch.outlineCredit);
+        // One line per answered outline, like the resolver's own trace.
+        console.log(
+          `[Outline] "${ctx.target || ''}": scope=${asScope} → ${provider}` +
+            ` (${patch.footprintKind}, ${patch.polygons?.length || 1} part(s))`,
+        );
+        return patch;
+      }
+      return null;
+    };
+
+    // Tiles first for streets and for a building pointed at rather than named.
+    if (scope === 'street') {
+      const street = accept(await streetRung(ctx), 'street', 'openfreemap');
+      if (street) return street;
+    } else if (scope === 'building' && !named && !ctx.around) {
+      const building = accept(
+        await buildingRung(ctx),
+        'building',
+        'openfreemap',
+      );
+      if (building) return building;
+    }
+
+    alive();
+    const baseResult = await base();
+    alive();
+    if (keepBase(baseResult)) return baseResult;
+
+    // A transient or busy Nominatim answer is kept aside while the tile
+    // fallbacks run; it is returned only if nothing else answers.
+    let retryLater = null;
+    let groundsSeed = null;
+    const kind = named ? nominatimKindFor(ctx) : null;
+    if (kind) {
+      const found = await nominatimRung(ctx, kind);
+      alive();
+      if (found?.groundsSeed) {
+        groundsSeed = found.groundsSeed;
+      } else if (found?.ring) {
+        const patch = accept(
+          found,
+          ctx.groundsLike ? 'compound' : scope,
+          'nominatim',
+        );
+        if (patch) return patch;
+      } else if (found === undefined || found?.rateLimited) {
+        retryLater = { value: found };
+      }
+    }
+
+    // Grounds absent from the named lookup: a matching named tile area.
+    if (ctx.groundsLike && named) {
+      // Around the named building when Nominatim found it, else the anchor.
+      let grounds = groundsSeed
+        ? accept(await groundsRung(ctx, groundsSeed), 'compound', 'openfreemap')
+        : null;
+      grounds ||= accept(await groundsRung(ctx), 'compound', 'openfreemap');
+      if (grounds) return grounds;
+    }
+
+    // A named building nobody outlined: the footprint holding its point. Never for
+    // a grounds ask, where the building is the wrong shape.
+    if (scope === 'building' && named && !ctx.around && !ctx.groundsLike) {
+      const building = accept(
+        await buildingRung(ctx, true),
+        'building',
+        'openfreemap',
+      );
+      if (building) return building;
+    }
+    // Keep the mark retryable only when nothing else could answer. A
+    // definitive miss or an approximation from the configured ladder stands
+    // rather than inviting repeated lookups.
+    if (retryLater && isUnavailableCapability(baseResult))
+      return retryLater.value;
+    return baseResult;
+  }
+
+  return { resolve };
+}

src/annotations/outlineRungsFallback.test.mjs

@@ -0,0 +1,174 @@
+// Tile fallbacks still run after a busy or failed Nominatim answer, and
+// grounds asks phrased "around" still reach their outline rungs.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { createOutlineRungs, nominatimKindFor } from './outlineRungs.js';
+import { decodeOpenFreeMapOutlineTile } from '../sources/openFreeMapOutlines.js';
+
+const TILES = [6745, 6746].map((y) =>
+  decodeOpenFreeMapOutlineTile(
+    readFileSync(
+      new URL(
+        `../data/fixtures/ofm-outlines-austin-14-3743-${y}.pbf`,
+        import.meta.url,
+      ),
+    ),
+    14,
+    3743,
+    y,
+  ),
+);
+const UNAVAILABLE = { unavailable: true, retryable: false };
+const CAPITOL = { lat: 30.27472, lon: -97.74035 };
+
+function setup(answer, tiles = TILES) {
+  const tileCalls = [];
+  const asks = [];
+  const rungs = createOutlineRungs({
+    tiles: {
+      fetchBounds: async (box) => {
+        tileCalls.push(box);
+        return { tiles };
+      },
+    },
+    nominatim: {
+      lookup: async (ask) => {
+        asks.push(ask);
+        return answer;
+      },
+    },
+  });
+  return { rungs, tileCalls, asks };
+}
+const ladder = {
+  base: async () => UNAVAILABLE,
+  finish: (fp) => ({ ring: fp.ring, footprintKind: fp.kind }),
+};
+const ctx = (overrides) => ({
+  scope: 'building',
+  target: 'Texas State Capitol',
+  matchName: 'Texas State Capitol',
+  fromName: true,
+  ...CAPITOL,
+  view: CAPITOL,
+  ...overrides,
+});
+
+for (const [label, answer] of [
+  ['busy', { rateLimited: true, retryAfterMs: 5000 }],
+  ['transient', undefined],
+]) {
+  test(`a ${label} Nominatim answer does not skip the tile fallbacks`, async () => {
+    const building = setup(answer);
+    const found = await building.rungs.resolve(ctx(), ladder);
+    assert.equal(building.asks.length, 1);
+    assert.ok(building.tileCalls.length > 0, 'tiles were consulted');
+    assert.equal(found.footprintKind, 'building');
+
+    const grounds = setup(answer);
+    const lawn = await grounds.rungs.resolve(
+      ctx({ target: 'the Texas Capitol grounds', groundsLike: true }),
+      ladder,
+    );
+    assert.ok(grounds.tileCalls.length > 0, 'grounds tiles were consulted');
+    assert.equal(lawn, answer, 'unnamed grounds preserve the retryable answer');
+  });
+}
+
+test('with no tile answer either, the busy result keeps the mark retryable', async () => {
+  const busy = { rateLimited: true, retryAfterMs: 5000 };
+  const rungs = createOutlineRungs({
+    tiles: { fetchBounds: async () => ({ tiles: [] }) },
+    nominatim: { lookup: async () => busy },
+  });
+  assert.equal(await rungs.resolve(ctx(), ladder), busy);
+});
+
+test('"around the Capitol grounds" is still a grounds ask', async () => {
+  assert.equal(
+    nominatimKindFor({ scope: 'building', groundsLike: true, around: true }),
+    'landmark',
+  );
+  assert.equal(nominatimKindFor({ scope: 'compound', around: true }), null);
+  const { rungs, asks } = setup(null);
+  const lawn = await rungs.resolve(
+    ctx({
+      target: 'the Texas Capitol grounds',
+      groundsLike: true,
+      around: true,
+    }),
+    ladder,
+  );
+  assert.equal(asks.length, 1);
+});
+
+test('named grounds around a building seed still require the original anchor', async () => {
+  // A place-search anchor ~250 m from the dome, outside the Capitol lawn.
+  const offLawn = { lat: 30.27265, lon: -97.73925 };
+  const d = 0.0003;
+  const dome = {
+    polygons: [
+      [
+        [
+          [CAPITOL.lon - d, CAPITOL.lat - d],
+          [CAPITOL.lon + d, CAPITOL.lat - d],
+          [CAPITOL.lon + d, CAPITOL.lat + d],
+          [CAPITOL.lon - d, CAPITOL.lat + d],
+          [CAPITOL.lon - d, CAPITOL.lat - d],
+        ],
+      ],
+    ],
+    class: 'office',
+  };
+  const lawnRadius = 0.001;
+  const namedTiles = [
+    {
+      areas: [
+        {
+          name: 'Texas Capitol',
+          class: 'park',
+          clipped: false,
+          rings: [
+            [
+              [CAPITOL.lon - lawnRadius, CAPITOL.lat - lawnRadius],
+              [CAPITOL.lon + lawnRadius, CAPITOL.lat - lawnRadius],
+              [CAPITOL.lon + lawnRadius, CAPITOL.lat + lawnRadius],
+              [CAPITOL.lon - lawnRadius, CAPITOL.lat + lawnRadius],
+              [CAPITOL.lon - lawnRadius, CAPITOL.lat - lawnRadius],
+            ],
+          ],
+        },
+      ],
+    },
+  ];
+  const withoutSeed = setup(null, namedTiles);
+  assert.equal(
+    await withoutSeed.rungs.resolve(
+      ctx({
+        ...offLawn,
+        target: 'the Texas Capitol grounds',
+        groundsLike: true,
+      }),
+      ladder,
+    ),
+    UNAVAILABLE,
+    'the anchor alone is not inside the grounds',
+  );
+  const { rungs, tileCalls } = setup(dome, namedTiles);
+  const lawn = await rungs.resolve(
+    ctx({ ...offLawn, target: 'the Texas Capitol grounds', groundsLike: true }),
+    ladder,
+  );
+  assert.ok(tileCalls.length > 0, 'the matching named enclosure was consulted');
+  assert.deepEqual(
+    tileCalls,
+    withoutSeed.tileCalls,
+    'a rejected polygon cannot add a shifted grounds-seed lookup',
+  );
+  assert.equal(
+    lawn,
+    UNAVAILABLE,
+    'a building seed cannot move the original anchor into the named grounds',
+  );
+});

src/annotations/placeOutline.test.mjs

@@ -0,0 +1,687 @@
+// Area annotations draw bundled US Census place and neighborhood outlines
+// (San Francisco DataSF first, then Who's On First) with no network lookup.
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { FEATURE_SOURCE_METHODS } from '../sources/featureSource.js';
+import { createAnnotationResolver } from './resolver.js';
+import { polygonsContain } from '../data/adminBoundaries.js';
+import { streetFootprint } from './outlineRungs.js';
+
+function viewerAt(lat, lon, height = 20_000) {
+  return {
+    camera: {
+      positionCartographic: {
+        latitude: (lat * Math.PI) / 180,
+        longitude: (lon * Math.PI) / 180,
+        height,
+      },
+    },
+  };
+}
+
+/** A resolver whose boundary lookups and geocoder record every call. */
+function harness(place = null, { outlineRungs } = {}) {
+  const lookups = [];
+  const featureSource = {};
+  for (const method of FEATURE_SOURCE_METHODS)
+    featureSource[method] = async () => {
+      lookups.push(method);
+      return null;
+    };
+  const geocodes = [];
+  const placeSearch = {
+    async geocode(query) {
+      geocodes.push(query);
+      return { place };
+    },
+    async textSearch() {
+      geocodes.push('text-search');
+      return [];
+    },
+  };
+  const { resolveAnnotationTarget } = createAnnotationResolver({
+    featureSource,
+    ...(outlineRungs ? { outlineRungs } : {}),
+  });
+  const resolve = (target, viewer, extra = {}) =>
+    resolveAnnotationTarget({
+      placeSearch,
+      viewer,
+      target,
+      footprint: true,
+      deferFootprint: true,
+      ...extra,
+    });
+  return { resolve, lookups, geocodes };
+}
+
+const AUSTIN = viewerAt(30.2672, -97.7431, 3000);
+const SAN_FRANCISCO = viewerAt(37.76, -122.42, 3000);
+const LONDON = viewerAt(51.51, -0.16, 3000);
+
+function assertBundledArea(resolved, label) {
+  assert.equal(resolved?.source, 'bundled', label);
+  assert.equal(resolved.label, label);
+  assert.equal(resolved.footprintKind, 'area');
+  assert.equal(resolved.synthesized, false);
+  assert.equal(
+    resolved.outlineCredit || null,
+    null,
+    'bundled data is not an OSM outline',
+  );
+  assert.equal(resolved.resolveOutline, undefined, 'drawn at once');
+  assert.deepEqual(resolved.ring[0], resolved.ring.at(-1), 'ring closed');
+  assert.ok(resolved.polygons.length >= 1);
+}
+
+test('a city name that is only a neighborhood alias goes to the geocoder', async () => {
+  const { resolve, geocodes } = harness();
+  // Sé lists "São Paulo" among its names; the ask means the city.
+  const saoPaulo = viewerAt(-23.55, -46.633, 60_000);
+  const city = await resolve('São Paulo', saoPaulo);
+  assert.notEqual(city?.label, 'Se');
+  assert.ok(geocodes.includes('São Paulo'));
+  // A district ask still takes the alias.
+  const district = await resolve('São Paulo', saoPaulo, {
+    entityKind: 'district',
+  });
+  assert.equal(district?.label, 'Se');
+});
+
+test('"Austin" over Austin draws the Census place with no lookup', async () => {
+  const { resolve, lookups, geocodes } = harness();
+  for (const target of ['Austin', 'Austin, Texas', 'City of Austin']) {
+    const resolved = await resolve(target, AUSTIN);
+    assertBundledArea(resolved, 'Austin');
+    assert.ok(resolved.polygons.length >= 4, 'every part of the city');
+  }
+  // A qualified name needs no view.
+  const springfield = await resolve('Springfield, Illinois', AUSTIN);
+  assertBundledArea(springfield, 'Springfield');
+  assert.ok(Math.abs(springfield.lat - 39.78) < 0.2);
+  assert.deepEqual(geocodes, []);
+  assert.deepEqual(lookups, []);
+});
+
+test("the SF DataSF pack answers before Who's On First in San Francisco", async () => {
+  const { resolve, lookups, geocodes } = harness();
+  const sf = JSON.parse(
+    readFileSync(
+      new URL(
+        '../data/local_data/neighborhoods/san-francisco.json',
+        import.meta.url,
+      ),
+    ),
+  );
+  const mission = sf.features.find((f) => f.properties.name === 'Mission');
+  const missionRing = mission.geometry.coordinates[0];
+  for (const target of ['the Mission District', 'Mission', 'the Mission']) {
+    const resolved = await resolve(target, SAN_FRANCISCO, {
+      entityKind: 'district',
+    });
+    assertBundledArea(resolved, 'Mission');
+    assert.deepEqual(resolved.polygons[0][0], missionRing, target);
+  }
+  // A name only WOF has in San Francisco falls through to it.
+  const dogpatch = await resolve('Dogpatch', SAN_FRANCISCO);
+  assertBundledArea(dogpatch, 'Dogpatch');
+  // A park asked for as a compound is not a neighborhood of its name.
+  await resolve('Mission Dolores Park', SAN_FRANCISCO, {
+    entityKind: 'compound',
+  });
+  assert.equal(geocodes.filter((q) => q !== 'text-search').length, 1);
+  assert.deepEqual(lookups, []);
+});
+
+test("Who's On First neighborhoods resolve near the view", async () => {
+  const { resolve, geocodes } = harness();
+  assertBundledArea(await resolve('Notting Hill', LONDON), 'Notting Hill');
+  assertBundledArea(
+    await resolve('Le Marais', viewerAt(48.857, 2.352, 3000)),
+    'Le Marais',
+  );
+  assertBundledArea(
+    await resolve('Williamsburg', viewerAt(40.71, -73.96, 3000)),
+    'Williamsburg',
+  );
+  assert.deepEqual(geocodes, []);
+});
+
+test('campuses, qualified hoods and far names still go to the geocoder', async () => {
+  const { resolve, geocodes } = harness();
+  // Stanford is a CDP, but a campus ask wants the campus.
+  const stanford = await resolve('Stanford', viewerAt(37.43, -122.17, 3000), {
+    entityKind: 'compound',
+  });
+  assert.notEqual(stanford?.source, 'bundled');
+  await resolve('the Capitol grounds', AUSTIN);
+  await resolve('Notting Hill', AUSTIN);
+  assert.equal(geocodes.filter((q) => q !== 'text-search').length, 3);
+  // A state settles a place name wherever the camera is: not Brooklyn's
+  // Williamsburg, the Virginia city.
+  const virginia = await resolve(
+    'Williamsburg, Virginia',
+    viewerAt(40.71, -73.96, 3000),
+  );
+  assertBundledArea(virginia, 'Williamsburg');
+  assert.ok(Math.abs(virginia.lat - 37.27) < 0.1, 'Virginia');
+});
+
+test('a geocoded city or neighborhood upgrades to the bundled outline', async () => {
+  const city = harness({
+    lat: 30.2672,
+    lng: -97.7431,
+    label: 'Austin, TX, USA',
+    name: 'Austin',
+    types: ['locality', 'political'],
+  });
+  const controller = new AbortController();
+  const credits = [];
+  const cancelled = await city.resolve(
+    'Austin',
+    {
+      ...viewerAt(39, -100, 5_000_000),
+      creditDisplay: { addStaticCredit: (credit) => credits.push(credit) },
+    },
+    { signal: controller.signal },
+  );
+  const pending = cancelled.resolveOutline();
+  controller.abort();
+  await assert.rejects(pending, { name: 'AbortError' });
+  assert.deepEqual(
+    credits,
+    [],
+    'a cancelled bundled continuation cannot mutate viewer credits',
+  );
+
+  // Seen from far away: the view does not settle the name, the geocoder does.
+  const resolved = await city.resolve('Austin', viewerAt(39, -100, 5_000_000));
+  assert.equal(resolved.source, 'geocode');
+  const outline = await resolved.resolveOutline();
+  assert.equal(outline.adminArea, 'Austin');
+  assert.ok(outline.polygons.length >= 4);
+  assert.deepEqual(city.lookups, [], 'no boundary lookup');
+
+  const hood = harness({
+    lat: 51.5118,
+    lng: -0.2046,
+    label: 'Notting Hill, London, UK',
+    name: 'Notting Hill',
+    types: ['neighborhood', 'political'],
+  });
+  const nottingHill = await hood.resolve(
+    'Notting Hill',
+    viewerAt(48, 10, 5_000_000),
+  );
+  const hoodOutline = await nottingHill.resolveOutline();
+  assert.equal(hoodOutline.adminArea, 'Notting Hill');
+  assert.deepEqual(hood.lookups, []);
+});
+
+test('a district ask prefers a neighborhood; a place must hold the view', async () => {
+  const { resolve, geocodes } = harness();
+  // "Richmond" over SF's Richmond District: never Richmond, California.
+  const richmond = await resolve('Richmond', viewerAt(37.78, -122.48, 3000), {
+    entityKind: 'district',
+  });
+  assertBundledArea(richmond, 'Richmond District');
+  assert.ok(Math.abs(richmond.lat - 37.78) < 0.05, 'not the East Bay city');
+  // Omitted kind at a street-level view: the district in view, too.
+  const bare = await resolve('Richmond', viewerAt(37.78, -122.48, 3000));
+  assertBundledArea(bare, 'Richmond District');
+  // Over the East Bay city, the city.
+  const wide = await resolve('Richmond', viewerAt(37.94, -122.35, 40_000));
+  assert.equal(wide?.source, 'bundled');
+  assert.ok(wide.lat > 37.88, 'Richmond, California');
+  assert.deepEqual(geocodes, []);
+});
+
+test('landmark-named neighborhoods wait for the landmark ladder', async () => {
+  const manhattan = viewerAt(40.78, -73.965, 3000);
+  const cases = [
+    ['Central Park', {}],
+    ['Central Park', { entityKind: 'compound' }],
+    ['Central Park', { intent: 'around_the_thing' }],
+    ['Hyde Park', {}],
+    ['Notting Hill', { intent: 'around_the_thing' }],
+  ];
+  for (const [target, extra] of cases) {
+    const { resolve, geocodes } = harness();
+    const viewer = target === 'Central Park' ? manhattan : LONDON;
+    const resolved = await resolve(target, viewer, extra);
+    assert.notEqual(
+      resolved?.source,
+      'bundled',
+      `${target} ${JSON.stringify(extra)}`,
+    );
+    assert.ok(geocodes.length >= 1, `${target} is geocoded`);
+  }
+  // Named as a district, the WOF neighborhood answers.
+  const { resolve } = harness();
+  const park = await resolve('Central Park', manhattan, {
+    entityKind: 'district',
+  });
+  assert.equal(park?.source, 'bundled');
+  // "Park Slope" ends in no landmark word: still a neighborhood.
+  const slope = await resolve('Park Slope', viewerAt(40.671, -73.98, 3000));
+  assertBundledArea(slope, 'Park Slope');
+});
+
+/** Outline rungs whose Nominatim answers `answer` (null: nothing found). */
+function rungsAnswering(answer) {
+  const asked = [];
+  return {
+    asked,
+    resolve: async (ctx, { base, finish }) => {
+      asked.push({ scope: ctx.scope, target: ctx.target });
+      const baseResult = await base();
+      if (baseResult?.ring && !baseResult.synthesized) return baseResult;
+      return answer ? finish(answer, ctx.scope) : baseResult;
+    },
+  };
+}
+
+const PARIS_PLACE = {
+  lat: 48.8566,
+  lng: 2.3522,
+  label: 'Paris, France',
+  name: 'Paris',
+  types: ['locality', 'political'],
+};
+const square = (lat, lon, d) => [
+  [lon - d, lat - d],
+  [lon + d, lat - d],
+  [lon + d, lat + d],
+  [lon - d, lat + d],
+  [lon - d, lat - d],
+];
+
+test('a courtyard outline with no filled candidate anchor remains a point', async () => {
+  const lat = 0.0005;
+  const lon = 0.0005;
+  const ring = square(lat, lon, 0.0005);
+  const hole = square(lat, lon, 0.0002);
+  const polygons = [[ring, hole]];
+  const { resolve } = harness(null, {
+    outlineRungs: rungsAnswering({
+      ring,
+      polygons,
+      kind: 'building',
+      heightM: 20,
+    }),
+  });
+  const options = { latitude: lat, longitude: lon, entityKind: 'building' };
+  const pending = await resolve(
+    'this building',
+    viewerAt(lat, lon, 1000),
+    options,
+  );
+  const outline = await pending.resolveOutline();
+  assert.equal(
+    outline,
+    null,
+    'neither the mean nor the courtyard point is filled',
+  );
+  const inline = await resolve('this building', viewerAt(lat, lon, 1000), {
+    ...options,
+    deferFootprint: false,
+  });
+  assert.equal(inline.ring, null);
+  assert.deepEqual(
+    [inline.lat, inline.lon],
+    [lat, lon],
+    'keep the honest point',
+  );
+  for (const resolved of [outline, inline]) {
+    if (resolved?.polygons)
+      assert.ok(polygonsContain(resolved.polygons, resolved.lat, resolved.lon));
+  }
+});
+
+test('a bent street keeps its outline when the anchor sits beside the centreline', async () => {
+  // 500 m east then 500 m north: the ring mean lands off the 22 m ribbon.
+  const lat0 = 30.27;
+  const lon0 = -97.74;
+  const dLon = 500 / (111320 * Math.cos((lat0 * Math.PI) / 180));
+  const dLat = 500 / 111320;
+  const line = [
+    [lon0, lat0],
+    [lon0 + dLon / 2, lat0],
+    [lon0 + dLon, lat0],
+    [lon0 + dLon, lat0 + dLat / 2],
+    [lon0 + dLon, lat0 + dLat],
+  ];
+  const footprint = streetFootprint({ lines: [line] });
+  // A geocoded point 15 m north of the first leg, outside the ribbon.
+  const lat = lat0 + 15 / 111320;
+  const lon = lon0 + dLon / 2;
+  assert.equal(polygonsContain(footprint.polygons, lat, lon), false);
+  const { resolve } = harness(
+    { lat, lng: lon, name: 'Bent Street', label: 'Bent St', types: ['route'] },
+    { outlineRungs: rungsAnswering(footprint) },
+  );
+  const pending = await resolve('Bent Street', viewerAt(lat, lon, 3000), {
+    entityKind: 'street',
+  });
+  const outline = await pending.resolveOutline();
+  assert.equal(outline?.ring, footprint.ring, 'the street is still drawn');
+  assert.ok(polygonsContain(outline.polygons, outline.lat, outline.lon));
+  assert.ok(Math.abs(outline.lat - lat0) < 1e-7, 'centred on the street');
+  assert.ok(Math.abs(outline.lon - lon) < 1e-7);
+  // A same-name street that never comes near the anchor is not that street.
+  const far = lat0 + 300 / 111320;
+  const away = harness(
+    {
+      lat: far,
+      lng: lon,
+      name: 'Bent Street',
+      label: 'Bent St',
+      types: ['route'],
+    },
+    { outlineRungs: rungsAnswering(footprint) },
+  );
+  const distant = await away.resolve('Bent Street', viewerAt(far, lon, 3000), {
+    entityKind: 'street',
+  });
+  assert.equal((await distant.resolveOutline())?.ring ?? null, null);
+});
+
+test('local dateline outlines share a frame for area, centering and filled anchors', async () => {
+  const ring = [
+    [179.9995, -0.0005],
+    [-179.9995, -0.0005],
+    [-179.9995, 0.0005],
+    [179.9995, 0.0005],
+    [179.9995, -0.0005],
+  ];
+  const hole = [
+    [179.9998, -0.0003],
+    [-179.9998, -0.0003],
+    [-179.9998, 0.0003],
+    [179.9998, 0.0003],
+    [179.9998, -0.0003],
+  ];
+  const polygons = [[ring, hole]];
+  const { resolve } = harness(null, {
+    outlineRungs: rungsAnswering({
+      ring,
+      polygons,
+      kind: 'building',
+      heightM: 20,
+    }),
+  });
+  for (const deferFootprint of [true, false]) {
+    for (const [lat, lon, filled] of [
+      [0.0004, 179.9996, true],
+      [0, 179.99999, false],
+      [0.0004, 0, false],
+    ]) {
+      const result = await resolve('this building', viewerAt(lat, lon, 1000), {
+        latitude: lat,
+        longitude: lon,
+        entityKind: 'building',
+        deferFootprint,
+      });
+      const outline = deferFootprint ? await result.resolveOutline() : result;
+      if (!filled) {
+        assert.equal(outline?.ring ?? null, null);
+        continue;
+      }
+      assert.equal(outline.ring, ring);
+      assert.equal(outline.polygons, polygons);
+      assert.deepEqual(
+        [outline.lat, outline.lon],
+        [lat, lon],
+        'keep the filled shell anchor',
+      );
+    }
+  }
+  const plain = harness(null, {
+    outlineRungs: rungsAnswering({ ring, kind: 'building', heightM: 20 }),
+  });
+  const pending = await plain.resolve(
+    'this building',
+    viewerAt(0, 179.9999, 1000),
+    {
+      latitude: 0,
+      longitude: 179.9999,
+      entityKind: 'building',
+    },
+  );
+  const centered = await pending.resolveOutline();
+  assert.equal(centered.ring, ring);
+  assert.ok(
+    Math.abs(centered.lon) > 179.999 &&
+      centered.lon >= -180 &&
+      centered.lon < 180,
+  );
+});
+
+test('a coarse bundled admin-1 city waits for a finer outline', async () => {
+  const overParis = viewerAt(48.8566, 2.3522, 40_000);
+  // The outer-ring vertex mean is in the hole; the resolved anchor is in
+  // the shell. Completion must not move that valid point into the hole.
+  const ring = square(48.8566, 2.3822, 0.04);
+  const hole = square(48.8566, 2.3822, 0.02);
+  const polygons = [[ring, hole]];
+  const rungs = rungsAnswering({ ring, polygons, kind: 'area', heightM: null });
+  const fine = harness(PARIS_PLACE, { outlineRungs: rungs });
+  const resolved = await fine.resolve('Paris', overParis);
+  assert.equal(
+    resolved.source,
+    'geocode',
+    'the 11-vertex admin-1 is not drawn at once',
+  );
+  const outline = await resolved.resolveOutline();
+  assert.deepEqual(outline.ring, ring, 'the finer outline wins');
+  assert.deepEqual(outline.polygons, polygons);
+  assert.equal(outline.lat, PARIS_PLACE.lat);
+  assert.equal(outline.lon, PARIS_PLACE.lng);
+  assert.ok(polygonsContain(outline.polygons, outline.lat, outline.lon));
+  assert.deepEqual(rungs.asked, [{ scope: 'city', target: 'Paris' }]);
+  const inline = await fine.resolve('Paris', overParis, {
+    deferFootprint: false,
+  });
+  assert.deepEqual(inline.polygons, polygons);
+  assert.equal(inline.lat, outline.lat);
+  assert.equal(inline.lon, outline.lon);
+
+  // Nothing finer (Nominatim off, busy or capped): the bundled shape, not a point.
+  const coarse = harness(PARIS_PLACE, { outlineRungs: rungsAnswering(null) });
+  const fallback = await (
+    await coarse.resolve('Paris', overParis)
+  ).resolveOutline();
+  assert.equal(fallback.adminArea, 'Paris');
+  assert.ok(fallback.ring.length < 32);
+
+  // No geocoder answer at all: the bundled shape at once.
+  const offline = harness(null, { outlineRungs: rungsAnswering(null) });
+  const direct = await offline.resolve('Paris', overParis);
+  assert.equal(direct.source, 'bundled');
+  assert.equal(direct.label, 'Paris');
+
+  const overDallas = viewerAt(32.7767, -96.797, 20_000);
+  assert.equal(
+    await offline.resolve('Paris', overDallas),
+    null,
+    'a missing geocode cannot select the distant coarse homonym',
+  );
+  assert.equal(
+    await coarse.resolve('Paris', overDallas),
+    null,
+    'a rejected foreign geocode cannot restore the same distant polygon',
+  );
+  const outsideParis = harness(
+    { ...PARIS_PLACE, lat: 48.9, lng: 2.6 },
+    { outlineRungs: rungsAnswering(null) },
+  );
+  const anchored = await outsideParis.resolve('Paris', overParis);
+  assert.equal(anchored.source, 'geocode');
+  assert.equal(
+    await anchored.resolveOutline(),
+    undefined,
+    'a nearby anchor outside Paris preserves the transient base, not its coarse polygon',
+  );
+});
+
+test('detailed admin-1 units and admin asks keep the bundled shape', async () => {
+  const { resolve } = harness(null, { outlineRungs: rungsAnswering(null) });
+  for (const [name, lat, lon] of [
+    ['Berlin', 52.52, 13.4],
+    ['Bavaria', 48.9, 11.4],
+    ['Texas', 31, -99],
+  ]) {
+    const resolved = await resolve(name, viewerAt(lat, lon, 400_000));
+    assert.equal(resolved?.source, 'bundled', name);
+  }
+  // Countries are never coarse cities, however few vertices.
+  const singapore = await resolve('Singapore', viewerAt(1.35, 103.82, 60_000));
+  assert.equal(singapore?.source, 'bundled');
+  // An explicit admin ask takes the admin unit as it is.
+  const dc = await resolve('Paris', viewerAt(48.8566, 2.3522, 40_000), {
+    entityKind: 'state',
+  });
+  assert.equal(dc?.source, 'bundled');
+});
+
+test('a campus ask reaches the campus, not the Census place of its town', async () => {
+  const stanfordTown = {
+    lat: 37.4241,
+    lng: -122.1661,
+    label: 'Stanford, CA, USA',
+    name: 'Stanford',
+    types: ['locality', 'political'],
+  };
+  const campus = square(37.4275, -122.1697, 0.01);
+  for (const ask of ['Stanford University', 'Stanford campus']) {
+    const rungs = rungsAnswering({ ring: campus, kind: 'area', heightM: null });
+    const { resolve } = harness(stanfordTown, { outlineRungs: rungs });
+    const resolved = await resolve(ask, viewerAt(37.43, -122.17, 8000));
+    assert.notEqual(resolved?.source, 'bundled', ask);
+    const outline = await resolved.resolveOutline();
+    assert.deepEqual(outline.ring, campus, ask);
+    assert.equal(
+      outline.outlineCredit,
+      null,
+      'an injected outline is not inferred OSM',
+    );
+    assert.equal(
+      rungs.asked[0].scope,
+      'compound',
+      `${ask}: past the Census rung`,
+    );
+  }
+  // "Stanford" said to be a compound is the campus too.
+  const kindRungs = rungsAnswering({
+    ring: campus,
+    kind: 'area',
+    heightM: null,
+  });
+  const byKind = harness(stanfordTown, { outlineRungs: kindRungs });
+  const compound = await (
+    await byKind.resolve('Stanford', viewerAt(37.43, -122.17, 8000), {
+      entityKind: 'compound',
+    })
+  ).resolveOutline();
+  assert.deepEqual(compound.ring, campus);
+  assert.equal(kindRungs.asked[0].scope, 'compound');
+  const labelRungs = rungsAnswering({
+    ring: campus,
+    kind: 'area',
+    heightM: null,
+  });
+  const byLabel = harness(stanfordTown, { outlineRungs: labelRungs });
+  const labelled = await byLabel.resolve(
+    'Stanford',
+    viewerAt(37.43, -122.17, 8000),
+    { labelHint: 'Stanford campus' },
+  );
+  assert.notEqual(labelled.source, 'bundled');
+  assert.deepEqual((await labelled.resolveOutline()).ring, campus);
+  assert.equal(labelRungs.asked[0].scope, 'compound');
+  // "Stanford" alone is the town (the Stanford CDP), and a town named after a
+  // college stays a town.
+  const { resolve } = harness(stanfordTown, {
+    outlineRungs: rungsAnswering(null),
+  });
+  const town = await (
+    await resolve('Stanford', viewerAt(39, -100, 5_000_000))
+  ).resolveOutline();
+  assert.equal(town.adminArea, 'Stanford');
+  const station = harness(
+    {
+      lat: 30.628,
+      lng: -96.3344,
+      label: 'College Station, TX, USA',
+      name: 'College Station',
+      types: ['locality', 'political'],
+    },
+    { outlineRungs: rungsAnswering(null) },
+  );
+  const collegeStation = await (
+    await station.resolve('College Station', viewerAt(39, -100, 5_000_000))
+  ).resolveOutline();
+  assert.equal(collegeStation.adminArea, 'College Station');
+});
+
+test('a grounds ask never takes the state the geocoder typed', async () => {
+  const texas = {
+    lat: 31.0,
+    lng: -99.0,
+    label: 'Texas, USA',
+    name: 'Texas',
+    types: ['administrative_area_level_1', 'political'],
+  };
+  for (const [ask, extra] of [
+    ['the Texas Capitol grounds', {}],
+    ['Texas Capitol', { entityKind: 'compound' }],
+    // The grounds wording is only in the label.
+    ['Texas Capitol', { labelHint: 'Capitol grounds' }],
+  ]) {
+    const rungs = rungsAnswering(null);
+    const { resolve } = harness(texas, { outlineRungs: rungs });
+    const resolved = await resolve(ask, viewerAt(31, -99, 3_000_000), extra);
+    assert.notEqual(resolved?.source, 'bundled', ask);
+    const outline = await resolved.resolveOutline();
+    assert.notEqual(outline?.adminArea, 'Texas', ask);
+    assert.equal(rungs.asked[0].scope, 'compound', ask);
+  }
+});
+
+test('configured OSM geometry retains its origin through inline, deferred and cached base results', async () => {
+  const ring = square(31, -99, 0.001);
+  let calls = 0;
+  const resolver = createAnnotationResolver({
+    boundarySource: {
+      query: async () => {
+        calls++;
+        return [
+          {
+            type: 'way',
+            id: 1,
+            tags: { name: 'Library', building: 'yes' },
+            geometry: ring.map(([lon, lat]) => ({ lon, lat })),
+          },
+        ];
+      },
+    },
+    outlineRungs: { resolve: (_ctx, { base }) => base() },
+  });
+  for (const deferFootprint of [false, true]) {
+    const result = await resolver.resolveAnnotationTarget({
+      viewer: viewerAt(31, -99, 3000),
+      latitude: 31,
+      longitude: -99,
+      target: 'Library',
+      entityKind: 'building',
+      footprint: true,
+      deferFootprint,
+    });
+    const outline = deferFootprint ? await result.resolveOutline() : result;
+    assert.equal(outline.footprintKind, 'building');
+    assert.equal(outline.outlineCredit, 'osm');
+    assert.deepEqual(outline.ring, ring);
+  }
+  assert.equal(calls, 1, 'cached geometry retains its original provider');
+});

src/annotations/resolver.js

@@ -11,6 +11,7 @@ import {
   approximateAreaM2,
   approximateDistanceM,
   pointInPolygon,
+  nearestPointOnLines,
 } from '../sources/featureGeometry.js';
 import { defaultGeospatial } from '../search/defaults.js';
 import * as Cesium from 'cesium';
@@ -19,18 +20,84 @@ import {
   lookupNaturalRegionOutline,
   findNaturalRegion,
 } from '../data/naturalEarthRegions.js';
-import { findAdminArea, findAdminAreaAt } from '../data/adminBoundaries.js';
+import {
+  findAdminArea,
+  findAdminAreaAt,
+  polygonsContain as polygonsContainPoint,
+} from '../data/adminBoundaries.js';
+import {
+  findNeighborhoodArea,
+  findNeighborhoodAreaAt,
+  findPlaceArea,
+  findPlaceAreaAt,
+  NEIGHBORHOOD_NEAR_KM,
+  normalizePlaceName,
+  PLACE_NEAR_KM,
+} from '../data/placeBoundaries.js';
 import {
   registerDynamicCredit,
   NATURAL_EARTH_CREDIT,
   US_CENSUS_CREDIT,
+  OSM_CREDIT,
+  OPENMAPTILES_CREDIT,
+  WOF_CREDIT,
 } from '../data/dataCredits.js';
+import { createOutlineRungs } from './outlineRungs.js';
 import { unavailablePlaceSearch } from '../search/placeSearch.js';
 import { isPickedWorldPosition } from '../data/scenePick.js';
 
+/** Prepare only local dateline outlines for planar admission and centering. */
+function localOutlineFrame(fp) {
+  const original = { ring: fp?.ring, polygons: fp?.polygons, reference: null };
+  if (!Array.isArray(fp?.ring) || fp.ring.length < 3) return original;
+  let west = Infinity;
+  let east = -Infinity;
+  for (const [lon] of fp.ring) {
+    west = Math.min(west, lon);
+    east = Math.max(east, lon);
+  }
+  if (east - west <= 180) return original;
+  const reference = fp.ring[0][0];
+  west = Infinity;
+  east = -Infinity;
+  const shift = (ring) =>
+    ring.map(([lon, lat]) => {
+      const x = lon - 360 * Math.round((lon - reference) / 360);
+      west = Math.min(west, x);
+      east = Math.max(east, x);
+      return [x, lat];
+    });
+  const ring = shift(fp.ring);
+  const polygons = Array.isArray(fp.polygons)
+    ? fp.polygons.map((part) => part.map(shift))
+    : fp.polygons;
+  // Shapes still spanning half the globe retain their existing behavior. Source coordinates
+  // are never rewritten, including holes and unrelated multipart geometry.
+  if (!Number.isFinite(east - west) || east - west >= 180) return original;
+  return { ring, polygons, reference };
+}
+
 /** Ms the analyst region lookup waits on geocode + admin boundary. */
 const REGION_FALLBACK_BUDGET_MS = 3_000;
 
+/** How far a street may run from its anchor when the ribbon holds neither. */
+const STREET_SNAP_MAX_M = 100;
+
+/**
+ * Names that end like a landmark rather than a district: "Central Park",
+ * "Lake Merritt"-style suffixes are checked on the last word only, so "Park
+ * Slope" and "Notting Hill" stay districts.
+ */
+const LANDMARK_NAME =
+  /\b(?:park|gardens?|square|plaza|lake|river|bay|beach|pier|harbou?r|airport|station|stadium|arena|cemetery|zoo|university|college|campus|palace|castle|cathedral|church|temple|mosque|bridge|market|mall|cent(?:er|re)|tower|museum|reservoir|forest|woods?|heath|common|green)$/i;
+
+/** The name part of an ask, before any comma qualifier. */
+function stripQualifiers(query) {
+  return String(query || '')
+    .split(',')[0]
+    .trim();
+}
+
 /** Entity facts that rule out a state/county reading of the ask. */
 const NON_ADMIN_ENTITY_KINDS = new Set([
   'building',
@@ -47,8 +114,12 @@ export function createAnnotationResolver({
     boundarySource,
     signal: lifetime,
   }),
+  // Overpass-free rungs (OpenFreeMap tiles, guarded Nominatim) around the ladder.
+  outlineRungs = createOutlineRungs(),
 } = {}) {
   requireFeatureSource(featureSource);
+  const featureOutlineCredit =
+    featureSource.outlineCredit === 'osm' ? 'osm' : null;
   lifetime?.throwIfAborted();
 
   /**
@@ -164,6 +235,21 @@ export function createAnnotationResolver({
     // locality suffixes; the types classify the entity (point-like vs area-like).
     let placesPrimary = null;
     let placeTypes = [];
+    // A coarse bundled admin-1 shape that carries a city's name (Natural
+    // Earth's 11-vertex "Paris"): kept as the fallback while the finer rungs
+    // (Census, Nominatim) try first.
+    let coarseCityShape = null;
+    let bundledCenter = null;
+    const coarseCityHolds = (point) =>
+      coarseCityShape &&
+      point &&
+      polygonsContainPoint(coarseCityShape.polygons, point.lat, point.lon);
+    const compoundAsk =
+      entityKind === 'compound' ||
+      isCampusAsk(target) ||
+      isGroundsLikeQuery(target) ||
+      isGroundsLikeQuery(labelHint);
+    const askNamesAdmin = Boolean(adminScopeFromAsk(target, entityKind));
     // Instrumentation (logged once per target at the end): which sources were tried and what they returned.
     const trace = {
       query: String(target || '').trim(),
@@ -181,15 +267,32 @@ export function createAnnotationResolver({
       footprint &&
       (!Number.isFinite(lat) || !Number.isFinite(lon)) &&
       trace.query &&
+      !compoundAsk &&
       !NON_ADMIN_ENTITY_KINDS.has(entityKind)
     ) {
       const center =
         pickWorldFromScreen(viewer, 0.5, 0.5) || viewportProximity(viewer);
+      bundledCenter = center;
       const admin = await findAdminArea(trace.query, { near: center }).catch(
         () => null,
       );
       signal?.throwIfAborted();
-      if (admin) return bundledAdminTarget(viewer, admin, trace.query);
+      if (admin && !askNamesAdmin && isCoarseCityShape(admin))
+        coarseCityShape = admin;
+      else if (admin)
+        return bundledAdminTarget(viewer, admin, trace.query, signal);
+      // Bundled US places and neighborhoods named at or near the view. A
+      // campus, grounds or monument ask ("Stanford" as a compound, "the
+      // Capitol grounds") wants that feature, not a district of its name,
+      // and "the area around X" is drawn by the ladder below.
+      if (intent !== 'around_the_thing' && !isMonumentLikeQuery(trace.query)) {
+        const area = await bundledAreaNear(trace.query, center, {
+          entityKind,
+          viewRadiusKm: viewportProximity(viewer)?.radiusKm ?? null,
+        });
+        signal?.throwIfAborted();
+        if (area) return bundledAdminTarget(viewer, area, trace.query, signal);
+      }
     }
 
     if (!Number.isFinite(lat) || !Number.isFinite(lon)) {
@@ -317,7 +420,10 @@ export function createAnnotationResolver({
       }
     }
 
-    if (!Number.isFinite(lat) || !Number.isFinite(lon)) return null;
+    if (!Number.isFinite(lat) || !Number.isFinite(lon))
+      return coarseCityHolds(bundledCenter)
+        ? bundledAdminTarget(viewer, coarseCityShape, trace.query, signal)
+        : null;
 
     // Monument/memorial/statue names geocode unreliably — Google scatters them across the city (e.g.
     // several Texas Capitol monuments landed blocks-to-miles apart, looking "all over the map"). When
@@ -382,7 +488,9 @@ export function createAnnotationResolver({
               `osmSnap=${trace.osmSnap} → FINAL source=rejected (proximity gate, ${drift.driftKm.toFixed(0)}km > ${drift.limitKm.toFixed(0)}km)`,
           );
         }
-        return null;
+        return coarseCityHolds(bundledCenter)
+          ? bundledAdminTarget(viewer, coarseCityShape, trace.query, signal)
+          : null;
       }
     }
 
@@ -402,7 +510,18 @@ export function createAnnotationResolver({
     // an admin boundary for a city/state, the enclosing compound for a mall/campus, a single
     // building for a premise. The voice model's entityKind (an entity FACT) refines an
     // unresolved 'auto' scope only — real geocode types always win.
-    const baseScope = refineScope(scopeFromTypes(geocodeTypes), entityKind);
+    // A campus or grounds ask ("Stanford University", "Stanford campus",
+    // "the Capitol grounds", in the target or its label) or a compound by
+    // entity fact wants that compound even when the geocoder types the town
+    // or the state: never a Census place, neighborhood or admin boundary.
+    const typedScope = refineScope(scopeFromTypes(geocodeTypes), entityKind);
+    const baseScope =
+      compoundAsk &&
+      ['country', 'state', 'county', 'city', 'neighborhood'].includes(
+        typedScope,
+      )
+        ? 'compound'
+        : typedScope;
     // Point-like targets (monuments/statues/memorials/…) resolve POINT-FIRST: only an
     // (almost) exactly-named, monument-scale polygon may replace the point; a nearby polygon
     // sharing locality words must not (docs/field-test-rootcause-2026-06-30.md §1).
@@ -431,7 +550,7 @@ export function createAnnotationResolver({
      * The inline path awaits it right here; progressive callers (deferFootprint) invoke it
      * AFTER the anchor mark is drawn and upgrade the mark in place.
      */
-    const resolveOutline = async () => {
+    const resolveBaseOutline = async () => {
       signal?.throwIfAborted();
       let scope = baseScope;
       const isAdmin =
@@ -461,6 +580,7 @@ export function createAnnotationResolver({
         signal?.throwIfAborted();
         if (ne) {
           registerDynamicCredit(viewer, NATURAL_EARTH_CREDIT);
+          traceBundledOutline(ne.name, 'natural-earth');
           const neCentroid = ringCentroid(ne.ring);
           return {
             ring: ne.ring,
@@ -516,7 +636,20 @@ export function createAnnotationResolver({
             lon,
             scope,
           ).catch(() => null);
-          if (admin) return bundledAdminOutline(viewer, admin);
+          signal?.throwIfAborted();
+          if (admin && !askNamesAdmin && isCoarseCityShape(admin))
+            coarseCityShape ||= admin;
+          else if (admin) return bundledAdminOutline(viewer, admin, signal);
+        }
+        // A geocoded US city, town or CDP: the Census place that holds it.
+        if (scope === 'city') {
+          const place = await findPlaceAreaAt(
+            [target, matchName],
+            lat,
+            lon,
+          ).catch(() => null);
+          signal?.throwIfAborted();
+          if (place) return bundledAdminOutline(viewer, place, signal);
         }
         // Pure admin: only an admin boundary is correct — never fall back to a
         // building/landuse (a city is never a single building).
@@ -527,7 +660,21 @@ export function createAnnotationResolver({
         // resolve here instantly to a REAL boundary, sidestepping the slow/flaky live-Overpass
         // path that times out and falls back to points (see docs/field-test-2-analysis.md).
         const ext = await lookupNeighborhoodRing(lat, lon, matchName);
-        if (ext) fp = { ring: ext.ring, kind: 'area', heightM: null };
+        signal?.throwIfAborted();
+        if (ext) {
+          traceBundledOutline(ext.name || matchName, 'datasf');
+          fp = { ring: ext.ring, kind: 'area', heightM: null };
+        }
+        // THEN a bundled Who's On First neighborhood carrying the name at the point.
+        if (!fp) {
+          const wof = await findNeighborhoodAreaAt(
+            [target, matchName],
+            lat,
+            lon,
+          ).catch(() => null);
+          signal?.throwIfAborted();
+          if (wof) return bundledAdminOutline(viewer, wof, signal);
+        }
         // Else fall through to the OSM admin/place → named-landuse → synthesis ladder. Each
         // returns a footprint, null (definitively no polygon), or undefined (transient
         // upstream failure). Synthesize a blob (the "Mission" problem, research §3b) ONLY
@@ -653,6 +800,12 @@ export function createAnnotationResolver({
           }
         }
       }
+      return finishOutline(fp, scope);
+    };
+
+    /** Validate a footprint for its scope and re-centre it (resolveOutline's patch). */
+    const finishOutline = (fp, scope) => {
+      const frame = localOutlineFrame(fp);
       // Scope sanity: reject a real footprint whose area is wildly wrong for the asked
       // scope (a building/compound/neighborhood intent must never draw a state-sized
       // blob). Synthesized discs are deliberately sized and exempt.
@@ -661,15 +814,44 @@ export function createAnnotationResolver({
         !fp.synthesized &&
         Array.isArray(fp.ring) &&
         fp.ring.length >= 3 &&
-        exceedsScopeArea(fp, scope)
+        exceedsScopeArea(frame, scope)
       ) {
         fp = null;
       }
       if (isUnavailableCapability(fp) || isRateLimitedOutcome(fp)) return fp;
       if (fp === undefined) return undefined; // TRANSIENT — a backoff retry may still find it
       if (!fp || !Array.isArray(fp.ring) || fp.ring.length < 3) return null;
-      const centroid = ringCentroid(fp.ring);
+      let centroid = ringCentroid(frame.ring);
       if (!centroid) return null;
+      // An outer-ring mean can lie in a hole or outside a concave part. Keep
+      // a filled original anchor or decline, without changing ordinary centering
+      // or inventing a new interior point.
+      if (
+        Array.isArray(frame.polygons) &&
+        !polygonsContainPoint(frame.polygons, centroid.lat, centroid.lon)
+      ) {
+        const anchorLon =
+          frame.reference === null
+            ? lon
+            : lon - 360 * Math.round((lon - frame.reference) / 360);
+        if (polygonsContainPoint(frame.polygons, lat, anchorLon)) {
+          centroid = { lat, lon };
+        } else if (Array.isArray(fp.lines)) {
+          // A bent street's ribbon rarely holds its ring mean, and a geocoded
+          // anchor can sit beside the centreline: centre on the street itself,
+          // only when it runs beside the anchor.
+          const onStreet = nearestPointOnLines(fp.lines, lat, lon);
+          if (!onStreet || onStreet.distanceM > STREET_SNAP_MAX_M) return null;
+          centroid = { lat: onStreet.lat, lon: onStreet.lon };
+        } else {
+          return null;
+        }
+      }
+      if (
+        frame.reference !== null &&
+        (centroid.lon < -180 || centroid.lon >= 180)
+      )
+        centroid.lon = ((((centroid.lon + 180) % 360) + 360) % 360) - 180;
       // Same drift bound as the anchor gate: a polygon whose centroid would drag a good
       // anchor out of plausibility is the wrong feature — drop it, keep the point.
       if (
@@ -683,17 +865,57 @@ export function createAnnotationResolver({
         footprintKind: fp.kind,
         buildingHeight: fp.heightM,
         synthesized: Boolean(fp.synthesized),
+        outlineCredit: fp.outlineCredit || null,
+        ...(Array.isArray(fp.polygons) ? { polygons: fp.polygons } : {}),
         lat: centroid.lat,
         lon: centroid.lon,
         height: sampleGroundHeight(viewer, centroid.lon, centroid.lat),
       };
     };
 
+    // Streets and pointed-at buildings from tiles, then this ladder, then the
+    // guarded Nominatim outline (see outlineRungs.js).
+    const outlineContext = {
+      scope: baseScope,
+      target,
+      matchName,
+      lat,
+      lon,
+      fromName: fromGeocode || source === 'places' || source === 'osm-local',
+      pointLike,
+      groundsLike,
+      around: intent === 'around_the_thing',
+      view: viewportProximity(viewer),
+      signal,
+      credit: (kind) =>
+        registerDynamicCredit(
+          viewer,
+          kind === 'tiles' ? OPENMAPTILES_CREDIT : OSM_CREDIT,
+        ),
+    };
+    const resolveOutline = async () => {
+      const result = await outlineRungs.resolve(outlineContext, {
+        base: resolveBaseOutline,
+        finish: finishOutline,
+      });
+      signal?.throwIfAborted();
+      // Nothing finer answered (no polygon, Nominatim off, busy or capped):
+      // the coarse bundled shape beats a point.
+      if (
+        coarseCityHolds({ lat, lon }) &&
+        !(result?.ring && !result.synthesized)
+      )
+        return bundledAdminOutline(viewer, coarseCityShape, signal);
+      return result;
+    };
+
     let ring = null;
     let footprintKind = null; // 'building' | 'area'
     let buildingHeight = null; // meters, only for buildings
     let outlineUnavailable = false;
     let synthesized = false; // true = buffered/approximate area, render dashed/feathered
+    let polygons = null; // every part of a multi-part outline, when known
+    let outlineCredit = null;
     if (footprint && !deferFootprint) {
       const fp = await resolveOutline();
       outlineUnavailable = isUnavailableCapability(fp);
@@ -702,6 +924,8 @@ export function createAnnotationResolver({
         footprintKind = fp.footprintKind;
         buildingHeight = fp.buildingHeight;
         synthesized = fp.synthesized;
+        polygons = fp.polygons || null;
+        outlineCredit = fp.outlineCredit || null;
         // Re-center the anchor on the resolved footprint centroid.
         lat = fp.lat;
         lon = fp.lon;
@@ -729,6 +953,8 @@ export function createAnnotationResolver({
       source,
       synthesized,
       outlineUnavailable,
+      outlineCredit,
+      ...(polygons ? { polygons } : {}),
       viewport: placeViewport,
       ...(footprint && deferFootprint ? { resolveOutline } : {}),
     };
@@ -768,13 +994,110 @@ export function createAnnotationResolver({
   const GROUNDS_RADIUS_M = 300; // "X grounds/compound/campus" loose disc when OSM has no polygon
   const GROUNDS_RADIUS_MIN_M = 150; // viewport-derived grounds disc is clamped to this band so a tiny
   const GROUNDS_RADIUS_MAX_M = 1200; // place can't shrink to a dot, nor a city-wide viewport balloon
+  const COARSE_CITY_MAX_KM2 = 5_000; // city-sized admin-1 units (see isCoarseCityShape)
+  const COARSE_CITY_MAX_VERTICES = 32;
 
   /** Credit the pack a bundled boundary came from. */
   function creditAdminSource(viewer, admin) {
-    registerDynamicCredit(
-      viewer,
-      admin.source === 'us-census' ? US_CENSUS_CREDIT : NATURAL_EARTH_CREDIT,
-    );
+    const credit = {
+      'natural-earth': NATURAL_EARTH_CREDIT,
+      'us-census': US_CENSUS_CREDIT,
+      wof: WOF_CREDIT,
+    }[admin.source];
+    if (credit) registerDynamicCredit(viewer, credit);
+  }
+
+  /**
+   * The bundled US place or neighborhood an ask names at or near the view,
+   * from Census places, the San Francisco DataSF pack (first in SF), then
+   * Who's On First. How far "near" reaches follows the view (half its
+   * radius); a state-qualified place ("Springfield, Illinois") needs no
+   * view. A district ask takes a neighborhood first and a place only when
+   * the view is inside it ("Richmond" over SF is not Richmond, CA). Without
+   * an entity kind the candidate that holds the view wins, else the nearer.
+   * A name that ends like a landmark ("Central Park", "Lake Merritt") is
+   * left to the landmark ladder unless the ask is a district.
+   */
+  async function bundledAreaNear(
+    query,
+    center,
+    { entityKind = null, viewRadiusKm = null } = {},
+  ) {
+    const district = entityKind === 'district';
+    if (!district && LANDMARK_NAME.test(stripQualifiers(query))) return null;
+    const reach = Number.isFinite(viewRadiusKm) ? viewRadiusKm / 2 : null;
+    const clamp = (km, lo, hi) =>
+      km === null ? hi : Math.min(hi, Math.max(lo, km));
+    const placeReach = district ? 0 : clamp(reach, 3, PLACE_NEAR_KM);
+    const place = await findPlaceArea(query, {
+      near: center,
+      nearKm: placeReach,
+    }).catch(() => null);
+    const holds = (area) =>
+      Boolean(center) &&
+      polygonsContainPoint(area.polygons, center.lat, center.lon);
+    // A district ask only takes a place the view is inside (or one a state
+    // qualifier named outright).
+    const placeOk =
+      place && (!district || holds(place) || /,/.test(query)) ? place : null;
+    if (!center) return placeOk;
+    let hood = null;
+    const sf = await lookupNeighborhoodRing(center.lat, center.lon, query, {
+      exact: true,
+    }).catch(() => null);
+    if (sf) hood = sfNeighborhoodArea(sf);
+    else
+      hood = await findNeighborhoodArea(query, {
+        near: center,
+        nearKm: clamp(reach, 1, NEIGHBORHOOD_NEAR_KM),
+      }).catch(() => null);
+    // Outside a district ask, an alternate name unrelated to the name is too
+    // weak: Se in Sao Paulo lists "Sao Paulo" among its names, and "outline
+    // Sao Paulo" means the city ("Richmond" for Richmond District still counts).
+    // Whole words: an alias hit on "York" does not keep "Yorkville".
+    if (
+      !district &&
+      hood?.byAlias &&
+      !` ${normalizePlaceName(hood.name)} `.includes(
+        ` ${normalizePlaceName(stripQualifiers(query))} `,
+      )
+    )
+      hood = null;
+    if (!hood || !placeOk) return district ? hood || placeOk : placeOk || hood;
+    if (district) return hood;
+    const hoodHolds = holds(hood);
+    const placeHolds = holds(placeOk);
+    if (hoodHolds !== placeHolds) return hoodHolds ? hood : placeOk;
+    const distance = (area) =>
+      approximateDistanceM(
+        center.lat,
+        center.lon,
+        area.label.lat,
+        area.label.lon,
+      );
+    return distance(hood) <= distance(placeOk) ? hood : placeOk;
+  }
+
+  /** An SF DataSF ring in the bundled-area shape `bundledAdminTarget` takes. */
+  function sfNeighborhoodArea({ ring, name }) {
+    const lons = ring.map((p) => p[0]);
+    const lats = ring.map((p) => p[1]);
+    return {
+      kind: 'neighborhood',
+      name,
+      region: null,
+      source: 'datasf',
+      polygons: [[ring]],
+      ring,
+      bbox: [
+        Math.min(...lons),
+        Math.min(...lats),
+        Math.max(...lons),
+        Math.max(...lats),
+      ],
+      label: ringCentroid(ring),
+      candidates: 1,
+    };
   }
 
   /**
@@ -784,8 +1107,10 @@ export function createAnnotationResolver({
    * draw them. Like the Natural Earth rung, it bypasses the scope caps and the
    * centroid drift bound: the unit IS the asked scope.
    */
-  function bundledAdminOutline(viewer, admin) {
+  function bundledAdminOutline(viewer, admin, signal) {
+    signal?.throwIfAborted();
     creditAdminSource(viewer, admin);
+    traceBundledOutline(admin.name, admin.source, admin.polygons?.length);
     const { lat, lon } = admin.label;
     return {
       ring: closeRing([...admin.ring]), // copy: closeRing mutates, the pack is shared
@@ -800,9 +1125,34 @@ export function createAnnotationResolver({
     };
   }
 
+  /**
+   * Whether a bundled unit is too coarse to stand for a city of its name: a
+   * Natural Earth admin-1 at city size (up to 5,000 km²) drawn with fewer
+   * than 32 vertices. Paris (11), Buenos Aires (11), Washington DC (9),
+   * Vienna and Prague (23) and Seoul (28) are; Berlin (48), Hamburg (43),
+   * Bremen (39) and every larger state are not. Countries never are.
+   */
+  function isCoarseCityShape(admin) {
+    if (admin?.source !== 'natural-earth' || admin.kind !== 'state')
+      return false;
+    if (!(admin.areaKm2 <= COARSE_CITY_MAX_KM2)) return false;
+    const vertices = (admin.polygons || []).reduce(
+      (n, poly) => n + poly.reduce((m, ring) => m + ring.length, 0),
+      0,
+    );
+    return vertices < COARSE_CITY_MAX_VERTICES;
+  }
+
+  /** One trace line per outline a bundled pack answered (same shape as outlineRungs). */
+  function traceBundledOutline(name, source, parts = 1) {
+    console.log(
+      `[Outline] "${name}": bundled → ${source} (${parts || 1} part(s))`,
+    );
+  }
+
   /** A complete resolved target for a bundled administrative unit (no outline pending). */
-  function bundledAdminTarget(viewer, admin, query) {
-    const outline = bundledAdminOutline(viewer, admin);
+  function bundledAdminTarget(viewer, admin, query, signal) {
+    const outline = bundledAdminOutline(viewer, admin, signal);
     const [west, south, east, north] = admin.bbox;
     console.log(
       `[Resolver] "${query}": bundled ${admin.kind} "${admin.name}"` +
@@ -1229,7 +1579,12 @@ export function createAnnotationResolver({
               ? 40
               : 120;
       ring = simplifyRing(ring, tolM);
-      const fp = { ring, kind: 'area', heightM: null };
+      const fp = {
+        ring,
+        kind: 'area',
+        heightM: null,
+        outlineCredit: featureOutlineCredit,
+      };
 
       // Scope sanity BEFORE caching: a city-suffixed neighborhood name ("Downtown San
       // Francisco") can match the CITY admin. Caching an oversized ring would poison the
@@ -1313,7 +1668,14 @@ export function createAnnotationResolver({
         bestRing = closeRing(coords.map((p) => [p.lon, p.lat]));
       }
     }
-    return bestRing ? { ring: bestRing, kind: 'area', heightM: null } : null;
+    return bestRing
+      ? {
+          ring: bestRing,
+          kind: 'area',
+          heightM: null,
+          outlineCredit: featureOutlineCredit,
+        }
+      : null;
   }
 
   /**
@@ -1356,7 +1718,12 @@ export function createAnnotationResolver({
         }
       }
       if (bestRing) {
-        const fp = { ring: bestRing, kind: 'area', heightM: null };
+        const fp = {
+          ring: bestRing,
+          kind: 'area',
+          heightM: null,
+          outlineCredit: featureOutlineCredit,
+        };
         cacheWrite(footprintCache, cacheKey, fp);
         return fp;
       }
@@ -1387,6 +1754,7 @@ export function createAnnotationResolver({
             ring: bufferCorridor(line, 11),
             kind: 'area',
             heightM: null,
+            outlineCredit: featureOutlineCredit,
           };
           cacheWrite(footprintCache, cacheKey, fp);
           return fp;
@@ -1525,7 +1893,12 @@ export function createAnnotationResolver({
         areaM2 < bestArea * 0.999 ||
         (areaM2 <= bestArea * 1.05 && nameMatch && !bestNameMatch); // near-tie: name-match wins
       if (better) {
-        best = { ring: ringLonLat, kind: 'area', heightM: null };
+        best = {
+          ring: ringLonLat,
+          kind: 'area',
+          heightM: null,
+          outlineCredit: featureOutlineCredit,
+        };
         bestArea = areaM2;
         bestNameMatch = nameMatch;
       }
@@ -1551,6 +1924,19 @@ export function createAnnotationResolver({
   /** A target that reads like an enclosing GROUNDS / COMPOUND / CAMPUS (e.g. "Texas Capitol grounds")
    *  rather than a single building — used to synthesize a loose-footprint disc when OSM has no real
    *  polygon, instead of failing outright. */
+  /**
+   * A university, college or campus named as such: "Stanford University",
+   * "Boston College", "University of Texas", "Stanford campus". Towns named
+   * after one ("College Station", "University Park") are not.
+   */
+  function isCampusAsk(query) {
+    const text = stripQualifiers(String(query || '')).trim();
+    return (
+      /\b(?:university|college|campus)$/i.test(text) ||
+      /^(?:the\s+)?(?:university|college)\s+of\b/i.test(text)
+    );
+  }
+
   function isGroundsLikeQuery(query) {
     return /\b(grounds|compound|campus|complex|quad|plaza)\b/i.test(
       String(query || ''),
@@ -1774,6 +2160,7 @@ export function createAnnotationResolver({
         best = {
           ring: closeRing(coords.map((p) => [p.lon, p.lat])),
           kind: isBuilding ? 'building' : 'area',
+          outlineCredit: featureOutlineCredit,
           heightM: isBuilding
             ? (element.heightM ??
               Math.max(10, Math.min(70, Math.sqrt(Math.max(1, areaM2)) * 0.6)))
@@ -2097,6 +2484,16 @@ export function createAnnotationResolver({
       if (admin)
         return { name: q, ring: [...admin.ring], source: 'bundled-admin' };
     }
+    if (scope === 'city') {
+      const place = await findPlaceAreaAt(
+        [q, geo.primaryName],
+        geo.lat,
+        geo.lon,
+      ).catch(() => null);
+      signal?.throwIfAborted();
+      if (place)
+        return { name: q, ring: [...place.ring], source: 'bundled-admin' };
+    }
     const fp = await fetchAdminArea(geo.lat, geo.lon, q, scope, signal).catch(
       () => null,
     );

src/annotations/screenAnnotationRenderer.test.mjs

@@ -1,164 +1,177 @@
+import '../testSupport/registerDom.mjs';
 import { test } from 'node:test';
 import assert from 'node:assert/strict';
 import * as Cesium from 'cesium';
+import { createApp, nextTick } from 'vue';
+import { createPinia } from 'pinia';
+import { useScreenAnnotationsStore } from '../ui/stores/screenAnnotations.js';
+import ScreenAnnotations from '../ui/views/panels/ScreenAnnotations.vue';
 import { createScreenAnnotationRenderer } from './screenAnnotationRenderer.js';
 
-class FakeClassList {
-  constructor(owner) {
-    this.owner = owner;
-    this.names = new Set();
-  }
-
-  reset(value) {
-    this.names = new Set(String(value || '').split(/\s+/).filter(Boolean));
-  }
-
-  add(...names) {
-    for (const name of names) this.names.add(name);
-    this.owner.attributes.set('class', Array.from(this.names).join(' '));
-  }
-
-  remove(...names) {
-    for (const name of names) this.names.delete(name);
-    this.owner.attributes.set('class', Array.from(this.names).join(' '));
-  }
-
-  contains(name) {
-    return this.names.has(name);
-  }
+// happy-dom does not lay out SVG; every element measures as a 40 x 16 box.
+for (const type of [globalThis.SVGElement, globalThis.SVGGraphicsElement]) {
+  if (type) type.prototype.getBBox = () => ({ x: 0, y: 0, width: 40, height: 16 });
 }
 
-class FakeElement {
-  constructor(tagName) {
-    this.tagName = tagName;
-    this.attributes = new Map();
-    this.children = [];
-    this.parentNode = null;
-    this.style = {};
-    this.classList = new FakeClassList(this);
-    this.textContent = '';
-  }
+const settle = async () => {
+  for (let flush = 0; flush < 4; flush += 1) await nextTick();
+};
 
-  setAttribute(name, value) {
-    this.attributes.set(name, String(value));
-    if (name === 'class') this.classList.reset(value);
-  }
-
-  getAttribute(name) {
-    return this.attributes.get(name) ?? null;
-  }
-
-  set className(value) {
-    this.setAttribute('class', value);
-  }
-
-  get className() {
-    return this.getAttribute('class') || '';
-  }
-
-  set id(value) {
-    this.setAttribute('id', value);
-  }
-
-  get id() {
-    return this.getAttribute('id') || '';
-  }
-
-  appendChild(child) {
-    child.parentNode = this;
-    this.children.push(child);
-    return child;
-  }
-
-  removeChild(child) {
-    const index = this.children.indexOf(child);
-    if (index >= 0) this.children.splice(index, 1);
-    child.parentNode = null;
-    return child;
-  }
-
-  remove() {
-    this.parentNode?.removeChild(this);
-  }
-
-  querySelector(selector) {
-    return this.querySelectorAll(selector)[0] || null;
-  }
-
-  querySelectorAll(selector) {
-    const className = selector.startsWith('.') ? selector.slice(1) : null;
-    const matches = [];
-    const visit = (node) => {
-      for (const child of node.children) {
-        if (className && child.classList.contains(className)) matches.push(child);
-        visit(child);
-      }
-    };
-    visit(this);
-    return matches;
-  }
-
-  addEventListener() {}
-
-  getBBox() {
-    return { x: 0, y: 0, width: 40, height: 16 };
-  }
-
-  set innerHTML(value) {
-    this._innerHTML = value;
-  }
-}
-
-function fakeDocument() {
-  const head = new FakeElement('head');
-  const body = new FakeElement('body');
-  const roots = [head, body];
-  return {
-    head,
-    body,
-    createElement: (tag) => new FakeElement(tag),
-    createElementNS: (_namespace, tag) => new FakeElement(tag),
-    getElementById(id) {
-      let found = null;
-      const visit = (node) => {
-        if (node.getAttribute('id') === id) found = node;
-        for (const child of node.children) visit(child);
-      };
-      for (const root of roots) visit(root);
-      return found;
-    },
-  };
-}
-
-function findAnnotationGroup(document) {
-  const layer = document.body.children.find((child) => child.classList.contains('gev-screen-whiteboard'));
-  const svg = layer.children.find((child) => child.classList.contains('gev-screen-whiteboard-svg'));
-  return {
-    svg,
-    group: svg.children.find((child) => child.classList.contains('gev-anno')),
-  };
-}
-
-test('outline upgrade preserves the existing SVG group identity', (t) => {
-  const originalDocument = globalThis.document;
+/** Mount the board's view; animation frames run when `frames()` is called. */
+function board(t) {
+  document.body.replaceChildren();
+  const pinia = createPinia();
+  const store = useScreenAnnotationsStore(pinia);
+  const app = createApp(ScreenAnnotations).use(pinia);
+  app.mount(document.body.appendChild(document.createElement('div')));
+  const queued = [];
   const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
-  globalThis.document = fakeDocument();
-  globalThis.requestAnimationFrame = (callback) => { callback(); return 1; };
+  globalThis.requestAnimationFrame = (callback) => queued.push(callback);
   t.after(() => {
-    if (originalDocument === undefined) delete globalThis.document;
-    else globalThis.document = originalDocument;
-    if (originalRequestAnimationFrame === undefined) delete globalThis.requestAnimationFrame;
-    else globalThis.requestAnimationFrame = originalRequestAnimationFrame;
+    globalThis.requestAnimationFrame = originalRequestAnimationFrame;
+    app.unmount();
   });
+  const frames = () => {
+    for (const callback of queued.splice(0)) callback();
+  };
+  const svg = () => document.querySelector('.gev-screen-whiteboard-svg');
+  const groups = () => [...(svg()?.querySelectorAll('g.gev-anno') ?? [])];
+  return { store, frames, svg, groups };
+}
 
+function cameraOver(lon, lat) {
+  const positionWC = Cesium.Cartesian3.fromDegrees(lon, lat, 1000);
+  const directionWC = Cesium.Cartesian3.normalize(
+    Cesium.Cartesian3.negate(positionWC, new Cesium.Cartesian3()),
+    new Cesium.Cartesian3(),
+  );
+  // Low enough that point marks keep their full size.
+  return { positionWC, directionWC, positionCartographic: { height: 500 } };
+}
+
+function sceneFor(camera, extra = {}) {
+  return {
+    camera,
+    canvas: { clientWidth: 800, clientHeight: 600, width: 800, height: 600 },
+    clampToHeightSupported: false,
+    postRender: { addEventListener() {}, removeEventListener() {} },
+    ...extra,
+  };
+}
+
+/** Project every point to the given window position for the test's length. */
+function projectTo(t, at) {
+  const original = Cesium.SceneTransforms.worldToWindowCoordinates;
+  Cesium.SceneTransforms.worldToWindowCoordinates = typeof at === 'function' ? at : () => at;
+  t.after(() => {
+    Cesium.SceneTransforms.worldToWindowCoordinates = original;
+  });
+}
+
+test('a pin renders its reticle, leader and callout on the page board', async (t) => {
+  const { store, frames, svg, groups } = board(t);
+  projectTo(t, { x: 200, y: 300 });
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  renderer.add({
+    id: 'pin',
+    type: 'pin',
+    color: 'amber',
+    label: 'Capitol',
+    alpha: 1,
+    anchor: { lon: 0, lat: 0, height: 0 },
+  });
+  await settle();
+  const layer = document.body.querySelector(':scope > .gev-screen-whiteboard');
+  assert.ok(layer);
+  assert.equal(svg().getAttribute('preserveAspectRatio'), 'none');
+  assert.equal(svg().getAttribute('viewBox'), '0 0 800 600');
+  assert.ok(svg().querySelector('defs > filter#gev-sketch > feTurbulence'));
+  const [group] = groups();
+  assert.equal(group.getAttribute('class'), 'gev-anno');
+  assert.equal(group.getAttribute('opacity'), '1');
+  assert.deepEqual(
+    [...group.children].map((child) => [child.tagName.toLowerCase(), child.getAttribute('class')]),
+    [
+      ['circle', 'gev-anno-ring gev-pulse'],
+      ['circle', 'gev-anno-ring'],
+      ['circle', 'gev-anno-dot'],
+      ['line', 'gev-anno-leader'],
+      ['g', 'gev-anno-callout'],
+    ],
+  );
+  const [outer, inner, dot, leader, callout] = group.children;
+  assert.equal(outer.getAttribute('stroke'), '#ffb547');
+  assert.equal(outer.getAttribute('cx'), '200.0');
+  assert.equal(outer.getAttribute('r'), '34.0');
+  assert.equal(inner.getAttribute('fill-opacity'), '0.12');
+  assert.equal(inner.getAttribute('filter'), 'url(#gev-sketch)');
+  assert.equal(dot.getAttribute('r'), '5.0');
+  assert.equal(leader.getAttribute('x1'), '200.0');
+  assert.equal(leader.getAttribute('x2'), '218.0');
+  // The card is sized to its measured text, and the leader meets its bottom.
+  const [card, accent, text] = callout.children;
+  assert.equal(text.textContent, 'Capitol');
+  assert.equal(text.getAttribute('x'), '9');
+  assert.equal(card.getAttribute('width'), '58');
+  assert.equal(card.getAttribute('height'), '26');
+  assert.equal(accent.getAttribute('height'), '18');
+  assert.equal(accent.getAttribute('fill'), '#ffb547');
+  assert.equal(callout.getAttribute('transform'), 'translate(218.0, 266.0)');
+  assert.equal(leader.getAttribute('y2'), '292.0');
+  frames();
+  await settle();
+  assert.equal(group.getAttribute('class'), 'gev-anno gev-in');
+});
+
+test('an arrow defines its arrowhead and drops the dash once drawn on', async (t) => {
+  const { store, frames, svg, groups } = board(t);
+  let calls = 0;
+  projectTo(t, () => (calls++ % 2 ? { x: 400, y: 100 } : { x: 100, y: 100 }));
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  renderer.add({
+    id: 'arrow',
+    type: 'arrow',
+    color: 'green',
+    alpha: 1,
+    anchor: { lon: 0, lat: 0 },
+    to: { lon: 0.01, lat: 0 },
+  });
+  await settle();
+  const marker = svg().querySelector('defs > marker#gev-arrow-green');
+  assert.equal(marker.getAttribute('orient'), 'auto-start-reverse');
+  assert.equal(marker.querySelector('path').getAttribute('fill'), '#5dff9f');
+  const path = groups()[0].querySelector('path');
+  assert.equal(path.getAttribute('class'), 'gev-anno-arrow gev-draw');
+  assert.equal(path.getAttribute('marker-end'), 'url(#gev-arrow-green)');
+  assert.match(path.getAttribute('d'), /^M 100\.0 100\.0 Q /);
+  frames();
+  await settle();
+  const ended = new Event('transitionend', { bubbles: true });
+  ended.propertyName = 'stroke-dashoffset';
+  path.dispatchEvent(ended);
+  await settle();
+  assert.equal(path.style.strokeDasharray, 'none');
+});
+
+test('outline upgrade preserves the existing SVG group identity', async (t) => {
+  const { store, svg, groups } = board(t);
   const camera = {
     positionWC: Cesium.Cartesian3.ZERO,
     directionWC: Cesium.Cartesian3.ZERO,
     positionCartographic: { height: 1000 },
   };
   const sampledAnchors = [];
-  const scene = {
-    camera,
+  const scene = sceneFor(camera, {
     canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 },
     clampToHeightSupported: true,
     clampToHeight(world) {
@@ -169,9 +182,12 @@ test('outline upgrade preserves the existing SVG group identity', (t) => {
       ]);
       return world;
     },
-    postRender: { addEventListener() {}, removeEventListener() {} },
-  };
-  const renderer = createScreenAnnotationRenderer({ scene, camera, trackedEntity: null });
+  });
+  const renderer = createScreenAnnotationRenderer(
+    { scene, camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
   const anno = {
     id: 'anno-fb3',
     type: 'area',
@@ -182,8 +198,11 @@ test('outline upgrade preserves the existing SVG group identity', (t) => {
     ring: null,
   };
   renderer.add(anno);
-  const before = findAnnotationGroup(globalThis.document);
-  assert.ok(before.group.querySelector('.gev-anno-ring'), 'pending area starts as a reticle');
+  await settle();
+  const [before] = groups();
+  assert.ok(before.querySelector('.gev-anno-ring'), 'pending area starts as a reticle');
+  const callout = before.querySelector('.gev-anno-callout');
+  const dot = before.querySelector('.gev-anno-dot');
 
   const labelProxy = Object.assign(Object.create(anno), {
     type: 'label',
@@ -191,47 +210,65 @@ test('outline upgrade preserves the existing SVG group identity', (t) => {
     anchor: { lon: -97.5, lat: 31.2, height: 0 },
   });
   renderer.update(labelProxy);
-  const after = findAnnotationGroup(globalThis.document);
+  await settle();
+  const [after] = groups();
 
-  assert.equal(after.group, before.group, 'the rendered group is mutated, not replaced');
+  assert.ok(after === before, 'the rendered group is mutated, not replaced');
   assert.deepEqual(sampledAnchors.at(-1), [-97.5, 31.2], 'the existing group projects from the re-seated anchor');
-  assert.equal(after.svg.children.filter((child) => child.classList.contains('gev-anno')).length, 1);
-  assert.equal(after.group.querySelector('.gev-anno-ring'), null, 'reticle rings are removed in place');
-  assert.ok(after.group.querySelector('.gev-anno-callout'), 'the original callout remains in the group');
-  renderer.destroy();
+  assert.equal(groups().length, 1);
+  assert.equal(after.querySelector('.gev-anno-ring'), null, 'reticle rings are removed in place');
+  assert.ok(after.querySelector('.gev-anno-callout') === callout, 'the original callout remains in the group');
+  assert.ok(after.querySelector('.gev-anno-dot') === dot, 'the anchor dot remains in the group');
+  assert.ok(svg());
 });
 
-test('annotation fade consumes the actual tracked host paint rectangle after layout', (t) => {
-  const originalDocument = globalThis.document;
-  const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
-  const originalProjection = Cesium.SceneTransforms.worldToWindowCoordinates;
-  globalThis.document = fakeDocument();
-  globalThis.requestAnimationFrame = (callback) => { callback(); return 1; };
-  Cesium.SceneTransforms.worldToWindowCoordinates = () => ({ x: 0, y: 0 });
-  t.after(() => {
-    Cesium.SceneTransforms.worldToWindowCoordinates = originalProjection;
-    if (originalDocument === undefined) delete globalThis.document;
-    else globalThis.document = originalDocument;
-    if (originalRequestAnimationFrame === undefined) delete globalThis.requestAnimationFrame;
-    else globalThis.requestAnimationFrame = originalRequestAnimationFrame;
-  });
-
-  const positionWC = Cesium.Cartesian3.fromDegrees(0, 0, 1000);
-  const directionWC = Cesium.Cartesian3.normalize(
-    Cesium.Cartesian3.negate(positionWC, new Cesium.Cartesian3()),
-    new Cesium.Cartesian3(),
-  );
-  const camera = { positionWC, directionWC, positionCartographic: { height: 1000 } };
-  const scene = {
-    camera,
-    canvas: { clientWidth: 800, clientHeight: 600, width: 800, height: 600 },
-    clampToHeightSupported: false,
-    postRender: { addEventListener() {}, removeEventListener() {} },
+test('a callout whose text changes is sized to the new text', async (t) => {
+  const { store, groups } = board(t);
+  projectTo(t, { x: 100, y: 100 });
+  // Text measures 7px a character; everything else keeps the shared box.
+  const original = globalThis.SVGGraphicsElement.prototype.getBBox;
+  globalThis.SVGGraphicsElement.prototype.getBBox = function () {
+    return this.tagName.toLowerCase() === 'text'
+      ? { x: 0, y: 0, width: this.textContent.length * 7, height: 16 }
+      : original.call(this);
   };
+  t.after(() => {
+    globalThis.SVGGraphicsElement.prototype.getBBox = original;
+  });
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  const anno = {
+    id: 'upgrade',
+    type: 'label',
+    color: 'primary',
+    label: 'Texas',
+    alpha: 1,
+    anchor: { lon: 0, lat: 0 },
+  };
+  renderer.add(anno);
+  await settle();
+  const card = () => groups()[0].querySelector('.gev-anno-card');
+  assert.equal(card().getAttribute('width'), String(5 * 7 + 18));
+  renderer.update({ ...anno, outlineUnavailable: true });
+  await settle();
+  const text = 'Texas · Detailed outline unavailable';
+  assert.equal(groups()[0].querySelector('text').textContent, text);
+  assert.equal(card().getAttribute('width'), String(text.length * 7 + 18));
+});
+
+test('annotation fade consumes the actual tracked host paint rectangle after layout', async (t) => {
+  const { store, groups } = board(t);
+  projectTo(t, { x: 0, y: 0 });
+  const camera = cameraOver(0, 0);
   const paintRectCalls = [];
   const renderer = createScreenAnnotationRenderer(
-    { scene, camera, trackedEntity: null },
+    { scene: sceneFor(camera), camera, trackedEntity: null },
     {
+      store,
       activeTrackedReadoutId: () => 'installations:test',
       overlayPaintRect(sourceId, entryId) {
         paintRectCalls.push({ sourceId, entryId });
@@ -239,6 +276,7 @@ test('annotation fade consumes the actual tracked host paint rectangle after lay
       },
     },
   );
+  t.after(() => renderer.destroy());
   renderer.add({
     id: 'anno-overlap',
     type: 'label',
@@ -247,7 +285,8 @@ test('annotation fade consumes the actual tracked host paint rectangle after lay
     alpha: 1,
     anchor: { lon: 0, lat: 0, height: 0 },
   });
-  const { group } = findAnnotationGroup(globalThis.document);
+  await settle();
+  const [group] = groups();
   assert.deepEqual(paintRectCalls.at(-1), {
     sourceId: 'tracked',
     entryId: 'installations:test',
@@ -256,44 +295,59 @@ test('annotation fade consumes the actual tracked host paint rectangle after lay
     Number(group.getAttribute('opacity')) < 1,
     'final annotation bbox fades against the complete painted card rectangle',
   );
+});
+
+test('a removed mark fades out, then leaves the board', async (t) => {
+  const { store, groups } = board(t);
+  projectTo(t, { x: 100, y: 100 });
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  const anno = {
+    id: 'fading',
+    type: 'label',
+    color: 'primary',
+    label: 'Gone soon',
+    alpha: 1,
+    anchor: { lon: 0, lat: 0 },
+  };
+  renderer.add(anno);
+  await settle();
+  const [group] = groups();
+  renderer.remove(anno);
+  // A new mark for the same place gets its own group beside the fading one.
+  renderer.add(anno);
+  await settle();
+  assert.equal(group.getAttribute('class'), 'gev-anno gev-out');
+  assert.equal(groups().length, 2);
+  assert.ok(groups()[1] !== group);
+  await new Promise((resolve) => setTimeout(resolve, 400));
+  await settle();
+  assert.deepEqual(groups().length, 1);
+  assert.equal(group.isConnected, false);
   renderer.destroy();
+  await settle();
+  assert.equal(document.querySelector('.gev-screen-whiteboard'), null);
 });
 
 // ── Partial-add unwind (review round 2) ───────────────────────────────────────
 //
-// add() inserts the group and records it, then does more live-document work
-// (draw-on wiring, the first projection pass). A throw in that tail used to
-// leave an ORPHANED <g> plus a record nobody owned — the engine's rollback only
-// deletes its own map entry — so re-annotating the same place stacked a second
-// mark over the corpse.
+// add() records the mark, then does more work (presenting it, the first
+// projection pass). A throw in that tail used to leave an ORPHANED mark plus a
+// record nobody owned — the engine's rollback only deletes its own map entry —
+// so re-annotating the same place stacked a second mark over the corpse.
 
-test('an add that throws after inserting its group unwinds instead of orphaning it', (t) => {
-  const originalDocument = globalThis.document;
-  const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
-  const originalProjection = Cesium.SceneTransforms.worldToWindowCoordinates;
-  globalThis.document = fakeDocument();
-  globalThis.requestAnimationFrame = (callback) => { callback(); return 1; };
-  t.after(() => {
-    Cesium.SceneTransforms.worldToWindowCoordinates = originalProjection;
-    if (originalDocument === undefined) delete globalThis.document;
-    else globalThis.document = originalDocument;
-    if (originalRequestAnimationFrame === undefined) delete globalThis.requestAnimationFrame;
-    else globalThis.requestAnimationFrame = originalRequestAnimationFrame;
-  });
-
-  const positionWC = Cesium.Cartesian3.fromDegrees(0, 0, 1000);
-  const directionWC = Cesium.Cartesian3.normalize(
-    Cesium.Cartesian3.negate(positionWC, new Cesium.Cartesian3()),
-    new Cesium.Cartesian3(),
+test('an add that throws after inserting its group unwinds instead of orphaning it', async (t) => {
+  const { store, groups } = board(t);
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera, { canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 } }), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
   );
-  const camera = { positionWC, directionWC, positionCartographic: { height: 1000 } };
-  const scene = {
-    camera,
-    canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 },
-    clampToHeightSupported: false,
-    postRender: { addEventListener() {}, removeEventListener() {} },
-  };
-  const renderer = createScreenAnnotationRenderer({ scene, camera, trackedEntity: null });
+  t.after(() => renderer.destroy());
   const anno = {
     id: 'anno-partial-screen',
     type: 'pin',
@@ -303,26 +357,221 @@ test('an add that throws after inserting its group unwinds instead of orphaning
     anchor: { lon: 0, lat: 0, height: 0 },
   };
 
-  // The group is in the document and recorded by the time add() reaches its
-  // first projection pass — so a throw there is real partial state, not a
-  // clean bail-out.
-  Cesium.SceneTransforms.worldToWindowCoordinates = () => { throw new Error('projection failed'); };
+  // The mark is on the board by the time add() reaches its first projection
+  // pass — so a throw there is real partial state, not a clean bail-out.
+  projectTo(t, () => {
+    throw new Error('projection failed');
+  });
   assert.throws(() => renderer.add(anno), /projection failed/);
   Cesium.SceneTransforms.worldToWindowCoordinates = () => ({ x: 0, y: 0 });
-  const { svg } = findAnnotationGroup(globalThis.document);
-  assert.equal(
-    svg.children.filter((child) => child.classList.contains('gev-anno')).length,
-    0,
-    'the half-built group must not stay in the document',
-  );
+  await settle();
+  assert.equal(groups().length, 0, 'the half-built group must not stay in the document');
 
   // The id is free again: a retry draws exactly one mark, and remove() still
   // owns it (a leaked record would leave a second group behind).
   renderer.add(anno);
-  assert.equal(
-    svg.children.filter((child) => child.classList.contains('gev-anno')).length,
-    1,
-    'the retry must draw one mark, not stack over an orphan',
+  await settle();
+  assert.equal(groups().length, 1, 'the retry must draw one mark, not stack over an orphan');
+});
+
+test("an earlier renderer leaves a later renderer's board alone", async (t) => {
+  const { store, groups } = board(t);
+  projectTo(t, { x: 100, y: 100 });
+  const camera = cameraOver(0, 0);
+  const viewer = { scene: sceneFor(camera), camera, trackedEntity: null };
+  const options = { store, activeTrackedReadoutId: () => null };
+  const earlier = createScreenAnnotationRenderer(viewer, options);
+  const later = createScreenAnnotationRenderer(viewer, options);
+  t.after(() => later.destroy());
+  later.add({ id: 'kept', type: 'label', label: 'Kept', alpha: 1, anchor: { lon: 0, lat: 0 } });
+  earlier.add({ id: 'ignored', type: 'label', label: 'Ignored', alpha: 1, anchor: { lon: 0, lat: 0 } });
+  earlier.destroy();
+  await settle();
+  assert.equal(groups().length, 1);
+  assert.equal(groups()[0].querySelector('text').textContent, 'Kept');
+});
+
+test('a multipart area with holes draws every visible part and keeps holes open', async (t) => {
+  const { store, svg } = board(t);
+  // A fixed projection: 0.001 degrees spans 100 px.
+  projectTo(t, (_scene, world) => {
+    const c = Cesium.Cartographic.fromCartesian(world);
+    return {
+      x: 100 + Cesium.Math.toDegrees(c.longitude) * 1e5,
+      y: 100 + Cesium.Math.toDegrees(c.latitude) * 1e5,
+    };
+  });
+  const camera = cameraOver(0, 0);
+  const renderer = createScreenAnnotationRenderer(
+    { scene: sceneFor(camera), camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
   );
-  renderer.destroy();
+  t.after(() => renderer.destroy());
+  const outer = [[0, 0], [0.001, 0], [0.001, 0.001], [0, 0.001], [0, 0]];
+  const hole = [[0.0002, 0.0002], [0.0004, 0.0002], [0.0004, 0.0004], [0.0002, 0.0004], [0.0002, 0.0002]];
+  const island = outer.map(([lon, lat]) => [lon + 0.002, lat]);
+  const anno = {
+    id: 'anno-multipart-screen',
+    label: 'Multipart',
+    type: 'area',
+    color: 'primary',
+    alpha: 1,
+    anchor: { lon: 0, lat: 0, height: 0 },
+    ring: outer,
+    polygons: [[outer, hole], [island]],
+    synthesized: false,
+  };
+  renderer.add(anno);
+  await settle();
+  const area = () => svg().querySelector('.gev-anno-area');
+  const subpaths = () => (area().getAttribute('d').match(/M /g) || []).length;
+  assert.equal(area().tagName.toLowerCase(), 'path');
+  assert.equal(area().getAttribute('fill-rule'), 'evenodd');
+  assert.equal(subpaths(), 3, 'screen fill retains both parts and the hole');
+
+  // The first part is behind the globe: the label centres on the next part.
+  anno.polygons = [[island.map(([lon, lat]) => [lon + 180, lat])], [outer, hole]];
+  renderer.sync();
+  await settle();
+  assert.equal(subpaths(), 2, 'an island behind the globe cannot hide the visible part and its hole');
+  assert.notEqual(area().parentNode.style.display, 'none');
+  assert.doesNotMatch(
+    area().parentNode.querySelector('.gev-anno-callout').getAttribute('transform'),
+    /NaN/,
+  );
+
+  anno.polygons = [[outer, hole]];
+  projectTo(t, (_scene, world) => {
+    const lon = Cesium.Math.toDegrees(Cesium.Cartographic.fromCartesian(world).longitude);
+    return { x: lon > 0.0009 ? 2401 : 0, y: 0 };
+  });
+  renderer.sync();
+  await settle();
+  assert.equal(subpaths(), 2, 'finite offscreen shell coordinates cannot hide a visible holed part');
+  assert.notEqual(area().parentNode.style.display, 'none');
+
+  anno.polygons = [[outer, hole], [island]];
+  projectTo(t, (_scene, world) => {
+    const lon = Cesium.Math.toDegrees(Cesium.Cartographic.fromCartesian(world).longitude);
+    return Math.abs(lon - 0.0002) < 1e-7 ? undefined : { x: 0, y: 0 };
+  });
+  renderer.sync();
+  await settle();
+  assert.equal(subpaths(), 1, 'an unprojectable hole omits its entire part, not the independently visible island');
+  assert.notEqual(area().parentNode.style.display, 'none');
+});
+
+test('Preview avoids the map callout without moving its world anchor', async (t) => {
+  const { store, svg, groups } = board(t);
+  projectTo(t, (_scene, world) => {
+    const lon = Cesium.Math.toDegrees(Cesium.Cartographic.fromCartesian(world).longitude);
+    return { x: 400, y: lon > 0.0005 ? 166 : 200 };
+  });
+  const camera = cameraOver(0, 0);
+  const scene = sceneFor(camera, {
+    canvas: { clientWidth: 1280, clientHeight: 720, width: 1280, height: 720 },
+  });
+  const panel = document.body.appendChild(document.createElement('section'));
+  panel.id = 'gev-voice-panel';
+  panel.dataset.view = 'preview';
+  panel.hidden = true;
+  let panelRect = { left: 210, top: 120, width: 100, height: 120 };
+  let panelVisible = true;
+  panel.getBoundingClientRect = () => panelRect;
+  panel.checkVisibility = () => panelVisible;
+  const renderer = createScreenAnnotationRenderer(
+    { scene, camera, trackedEntity: null },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  const anno = { id: 'preview-label', type: 'label', color: 'primary', label: 'Texas', alpha: 1, anchor: { lon: 0, lat: 0, height: 0 } };
+  renderer.add(anno);
+  await settle();
+  // Non-unit, independent axis scales and a nonzero client offset: the
+  // overlay uses preserveAspectRatio="none", not letterboxing.
+  svg().getBoundingClientRect = () => ({ left: 10, top: 20, width: 640, height: 400 });
+  renderer.sync();
+  await settle();
+  const [group] = groups();
+  const callout = () => group.querySelector('.gev-anno-callout');
+  const leader = group.querySelector('.gev-anno-leader');
+  const dot = group.querySelector('.gev-anno-dot');
+  const natural = callout().getAttribute('transform');
+  const anchor = structuredClone(anno.anchor);
+  panel.hidden = false;
+  renderer.sync();
+  await settle();
+  assert.equal(callout().getAttribute('transform'), 'translate(418.0, 146.0)');
+  assert.equal(leader.getAttribute('x2'), '418.0');
+  assert.equal(leader.getAttribute('y2'), '172.0');
+  assert.equal(leader.getAttribute('x1'), '400.0');
+  assert.equal(leader.getAttribute('y1'), '200.0');
+  assert.equal(dot.getAttribute('cx'), '400.0');
+  assert.equal(dot.getAttribute('cy'), '200.0');
+  assert.deepEqual(anno.anchor, anchor);
+  assert.ok(groups()[0] === group, 'the group is kept, not replaced');
+  panel.hidden = true;
+  renderer.sync();
+  await settle();
+  assert.equal(callout().getAttribute('transform'), natural, 'closing Preview restores natural placement');
+  for (const variant of ['settings', 'invisible', 'no-overlap', 'no-room', 'collision']) {
+    panel.hidden = false;
+    panel.dataset.view = variant === 'settings' ? 'settings' : 'preview';
+    panelVisible = variant !== 'invisible';
+    panelRect = variant === 'no-overlap'
+      ? { left: 510, top: 120, width: 100, height: 120 }
+      : variant === 'no-room'
+        ? { left: 210, top: 25, width: 100, height: 180 }
+        : { left: 210, top: 120, width: 100, height: 120 };
+    if (variant === 'collision') renderer.add({ ...anno, id: 'above-slot', anchor: { lon: 0.001, lat: 0, height: 0 } });
+    renderer.sync();
+    await settle();
+    assert.equal(callout().getAttribute('transform'), natural, variant);
+  }
+});
+
+test('a mark hidden from Draw is not drawn or placed, and comes back when shown', async (t) => {
+  // happy-dom measures every SVG box the same, so callout spreading cannot
+  // settle here; a hidden mark simply has to stay out of drawing and
+  // placement, which is what keeps it from pushing a visible callout aside.
+  const { store, svg } = board(t);
+  projectTo(t, { x: 200, y: 300 });
+  const camera = cameraOver(0, 0);
+  let project = null;
+  const renderer = createScreenAnnotationRenderer(
+    {
+      scene: sceneFor(camera, {
+        postRender: {
+          addEventListener: (listener) => (project = listener),
+          removeEventListener() {},
+        },
+      }),
+      camera,
+      trackedEntity: null,
+    },
+    { store, activeTrackedReadoutId: () => null },
+  );
+  t.after(() => renderer.destroy());
+  const camp = {
+    id: 'camp',
+    type: 'pin',
+    color: 'amber',
+    label: 'Camp',
+    alpha: 1,
+    hidden: true,
+    anchor: { lon: 0, lat: 0, height: 0 },
+  };
+  renderer.add(camp);
+  project();
+  await settle();
+  const drawn = () =>
+    [...svg().querySelectorAll('g.gev-anno')].some(
+      (group) =>
+        group.textContent.includes('Camp') && group.style.display !== 'none',
+    );
+  assert.equal(drawn(), false, 'the hidden mark is not drawn');
+  camp.hidden = false;
+  project();
+  await settle();
+  assert.equal(drawn(), true, 'shown again, it is drawn');
 });

src/annotations/worldAnnotationRenderer.js

@@ -1,3 +1,5 @@
+import { recordWorkSlice } from '../sources/phaseTiming.js';
+import { ringCentroid } from '../sources/featureGeometry.js';
 import * as Cesium from 'cesium';
 import { showOsmCredit, hideOsmCredit } from '../data/dataCredits.js';
 
@@ -51,6 +53,232 @@ export function createWorldAnnotationRenderer(viewer) {
   const dataSource = new Cesium.CustomDataSource('gev-annotations');
   viewer.dataSources.add(dataSource);
   const osmAnnotations = new Set();
+  // Every mark with entities on the globe, so sync() can take a hidden one out.
+  const drawn = new Set();
+  const pendingGround = new Map();
+  const groundQueue = [];
+  let observingGround = false;
+  let destroyed = false;
+
+  function sampleBuilding(anno, options) {
+    pendingGround.get(anno)?.finish('cancelled');
+    return new Promise((resolve, reject) => {
+      const queuedAt = performance.now();
+      // The 2 s budget starts when this task reaches the head of the queue, so
+      // waiting behind other buildings on a slow device never spends it.
+      let started = null;
+      const workTrace = options.workTrace;
+      if (workTrace) workTrace.samplerStart = queuedAt;
+      let groundDetailSlots = 0;
+      let groundDetailReady = true;
+      if (workTrace) {
+        try {
+          workTrace.groundDetailDropped = 0;
+        } catch {
+          groundDetailReady = false;
+        }
+      }
+      const task = {
+        anno,
+        points: groundProbePositions(anno.ring),
+        samples: [],
+        index: 0,
+      };
+      const timing = {
+        workMs: 0,
+        maxSliceMs: 0,
+        lastSliceMs: 0,
+        probes: 0,
+        queuedMs: 0,
+        deadlineMs: null,
+      };
+      task.current = () =>
+        !destroyed &&
+        !options.signal?.aborted &&
+        pendingGround.get(anno) === task &&
+        (options.isCurrent?.() ?? true);
+      task.begin = () => {
+        if (started !== null) return;
+        started = performance.now();
+        timing.queuedMs = started - queuedAt;
+        timing.deadlineMs = started + 2000;
+        if (workTrace) workTrace.samplerHeadAt = started;
+        task.timer = setTimeout(() => task.finish('timeout'), 2000);
+        // A task promoted outside a frame (its predecessor timed out or was
+        // cancelled) still needs frames in request-render mode.
+        try {
+          viewer.scene.requestRender?.();
+        } catch {
+          /* the enqueue path reports render failures */
+        }
+      };
+      task.finish = (status, error) => {
+        if (pendingGround.get(anno) !== task) return;
+        pendingGround.delete(anno);
+        const position = groundQueue.indexOf(task);
+        groundQueue.splice(position, 1);
+        clearTimeout(task.timer);
+        if (position === 0) groundQueue[0]?.begin();
+        options.signal?.removeEventListener('abort', task.abort);
+        if (!groundQueue.length && observingGround) {
+          viewer.scene.postRender.removeEventListener(onGroundFrame);
+          observingGround = false;
+        }
+        timing.elapsedMs = performance.now() - (started ?? queuedAt);
+        if (workTrace) {
+          workTrace.probes = timing.probes;
+          workTrace.samplerStatus = status;
+        }
+        if (error) reject(error);
+        else resolve({ status, timing });
+      };
+      task.abort = () => task.finish('cancelled');
+      task.step = () => {
+        const workStart = workTrace ? performance.now() : 0;
+        // Nested call/commit wall-time only; the original parent remains the gate.
+        const detail =
+          workTrace && groundDetailSlots++ < 8
+            ? {
+                index: task.index,
+                status: groundDetailReady ? 'recorded' : 'missing',
+                clampStart: null,
+                clampEnd: null,
+                clampResult: 'not-run',
+                commitStart: null,
+                commitEnd: null,
+                commitStatus: 'not-run',
+              }
+            : undefined;
+        const note = detail
+          ? (key) => {
+              try {
+                const at = performance.now();
+                if (Number.isFinite(at)) detail[key] = at;
+                else detail.status = 'missing';
+              } catch {
+                detail.status = 'missing';
+              }
+            }
+          : null;
+        if (workTrace && !detail) {
+          try {
+            workTrace.groundDetailDropped += 1;
+          } catch {
+            // Missing attribution must not change the sampler outcome.
+          }
+        }
+        try {
+          if (!task.current()) return task.finish('cancelled');
+          if (performance.now() - started >= 2000)
+            return task.finish('timeout');
+          const sliceStart = performance.now();
+          let error;
+          try {
+            if (
+              viewer.scene.clampToHeightSupported &&
+              typeof viewer.scene.clampToHeight === 'function'
+            ) {
+              const [lon, lat] = task.points[task.index++];
+              timing.probes += 1;
+              try {
+                const position = Cesium.Cartesian3.fromDegrees(lon, lat, 0);
+                let c;
+                note?.('clampStart');
+                if (detail) detail.clampResult = 'threw';
+                try {
+                  c = viewer.scene.clampToHeight(position);
+                  if (detail) detail.clampResult = 'returned';
+                } finally {
+                  note?.('clampEnd');
+                }
+                if (c) {
+                  const h = Cesium.Cartographic.fromCartesian(c).height;
+                  if (Number.isFinite(h) && h > -430 && h < 9000)
+                    task.samples.push(h);
+                }
+              } catch {
+                /* surface not ready: preserve the existing sample filter */
+              }
+            } else task.index = task.points.length;
+            if (performance.now() - started >= 2000) {
+              task.finish('timeout');
+              return;
+            }
+            if (!task.current()) return task.finish('cancelled');
+            if (task.index === task.points.length) {
+              if (detail) detail.commitStatus = 'attempted';
+              note?.('commitStart');
+              task.samples.sort((a, b) => a - b);
+              const ground = task.samples.length
+                ? task.samples[Math.floor(task.samples.length * 0.3)]
+                : null;
+              add(anno, {
+                sampledGroundHeight: ground,
+                isCurrent: task.current,
+              });
+              if (performance.now() >= timing.deadlineMs) {
+                task.finish('timeout');
+                remove(anno);
+                return;
+              }
+            }
+          } catch (caught) {
+            error = caught;
+          } finally {
+            timing.lastSliceMs = performance.now() - sliceStart;
+            timing.workMs += timing.lastSliceMs;
+            timing.maxSliceMs = Math.max(timing.maxSliceMs, timing.lastSliceMs);
+          }
+          if (error) {
+            task.finish('failed', error);
+            try {
+              remove(anno);
+            } catch {
+              /* retain the original commit error */
+            }
+          } else if (task.index === task.points.length)
+            task.finish('installed');
+        } finally {
+          // Commit includes sort/selection/add/deadline/finish or rollback,
+          // including intervening bookkeeping; it is not exclusive entity cost.
+          if (detail?.commitStatus === 'attempted') note('commitEnd');
+          if (workTrace)
+            recordWorkSlice(
+              workTrace,
+              'ground-step',
+              workStart,
+              undefined,
+              detail,
+            );
+        }
+      };
+      pendingGround.set(anno, task);
+      groundQueue.push(task);
+      if (groundQueue[0] === task) task.begin();
+      options.signal?.addEventListener('abort', task.abort, { once: true });
+      if (!task.current()) return task.finish('cancelled');
+      if (!observingGround) {
+        viewer.scene.postRender.addEventListener(onGroundFrame);
+        observingGround = true;
+      }
+      try {
+        viewer.scene.requestRender?.();
+      } catch (error) {
+        task.finish('failed', error);
+      }
+    });
+  }
+
+  function onGroundFrame() {
+    // One building probe TOTAL, not one per mark. Other renderers have their own work.
+    const task = groundQueue[0];
+    try {
+      task?.step();
+      if (groundQueue.length) viewer.scene.requestRender?.();
+    } catch (error) {
+      for (const pending of [...groundQueue]) pending.finish('failed', error);
+    }
+  }
 
   // Register the GevRouteFlow fabric once so Cesium's Material.fromType() can build the
   // material the route pipeline renders. The animated `time` uniform is read straight
@@ -81,7 +309,7 @@ export function createWorldAnnotationRenderer(viewer) {
     }, false);
   }
 
-  function add(anno) {
+  function add(anno, options = {}) {
     const base = colorFor(anno);
     // Published to the mark BEFORE anything is added, and mutated in place as
     // each entity lands: a mid-add failure (bad geometry, lost context) must
@@ -89,21 +317,42 @@ export function createWorldAnnotationRenderer(viewer) {
     // path cannot reach them and they stay on the globe forever.
     const entities = [];
     anno._entities = entities;
+    drawn.add(anno);
+
+    if (
+      anno.ring?.length >= 3 &&
+      anno.footprintKind === 'building' &&
+      !Object.hasOwn(options, 'sampledGroundHeight')
+    ) {
+      return sampleBuilding(anno, options);
+    }
 
     if (
       anno.ring &&
       anno.ring.length >= 3 &&
       anno.footprintKind === 'building'
     ) {
+      const addBuildingEntity = (definition) => {
+        if (!(options.isCurrent?.() ?? true))
+          throw new Error('Building install cancelled');
+        const entity = dataSource.entities.add(definition);
+        if (!(options.isCurrent?.() ?? true)) {
+          dataSource.entities.remove(entity);
+          throw new Error('Building install cancelled');
+        }
+        return entity;
+      };
       // Single building → the PRIMARY highlight is an extruded CLASSIFICATION
       // volume that tints the real photogrammetry mesh (dome, walls, roof —
       // everything inside the column) amber and pulses. A flat footprint
       // extrusion is only 2.5D and misses domes; classification colors the
       // actual tiles. A faint wireframe cage rides on top as a secondary cue.
-      const buffered = bufferRing(anno.ring, 3);
-      const positions = Cesium.Cartesian3.fromDegreesArray(buffered.flat());
+      const parts =
+        Array.isArray(anno.polygons) && anno.polygons.length
+          ? anno.polygons
+          : [[anno.ring]];
       const groundH =
-        sampleGroundOutside(viewer.scene, anno.ring) ??
+        options.sampledGroundHeight ??
         (Number.isFinite(anno.anchor.height)
           ? anno.anchor.height - (anno.buildingHeight || 25)
           : 0);
@@ -112,55 +361,73 @@ export function createWorldAnnotationRenderer(viewer) {
       // empty air above the roof isn't tinted — this just guarantees we cover
       // under-tagged building heights.
       const topH = groundH + Math.max(18, anno.buildingHeight || 25) + 24;
-      // 1) Classification volume — tints the mesh amber, pulsing.
-      entities.push(
-        dataSource.entities.add({
-          polygon: {
-            hierarchy: new Cesium.PolygonHierarchy(positions),
-            height: baseH,
-            extrudedHeight: topH,
-            perPositionHeight: false,
-            classificationType: CLASSIFY,
-            material: new Cesium.ColorMaterialProperty(
-              liveColor(anno, base, { alpha: 0.45, pulse: true }),
-            ),
-          },
-        }),
+      const fillMaterial = new Cesium.ColorMaterialProperty(
+        liveColor(anno, base, { alpha: 0.45, pulse: true }),
       );
-      // 2) Faint, SIMPLIFIED wireframe cage — secondary, lower opacity. Decimate
-      // the footprint so the extruded outline draws ~14 clean verticals, not one
-      // per (often 100+) ring vertex.
-      const cagePositions = Cesium.Cartesian3.fromDegreesArray(
-        decimateRing(buffered, 14).flat(),
-      );
-      entities.push(
-        dataSource.entities.add({
-          polygon: {
-            hierarchy: new Cesium.PolygonHierarchy(cagePositions),
-            height: baseH,
-            extrudedHeight: topH,
-            perPositionHeight: false,
-            fill: false,
-            outline: true,
-            outlineColor: liveColor(anno, base, { alpha: 0.32, pulse: true }),
-          },
-        }),
-      );
-      // 3) Crisp draped base outline so the footprint reads on the ground.
-      entities.push(
-        dataSource.entities.add({
-          polyline: {
-            positions,
-            width: 3,
-            material: new Cesium.PolylineGlowMaterialProperty({
-              glowPower: 0.25,
-              color: liveColor(anno, base, { alpha: 0.7 }),
+      const lineMaterial = new Cesium.PolylineGlowMaterialProperty({
+        glowPower: 0.25,
+        color: liveColor(anno, base, { alpha: 0.7 }),
+      });
+      for (const [outer, ...holes] of parts) {
+        const buffered = bufferRing(outer, 3);
+        const positions = Cesium.Cartesian3.fromDegreesArray(buffered.flat());
+        // 1) Classification volume — tints the mesh amber, pulsing.
+        entities.push(
+          addBuildingEntity({
+            polygon: {
+              hierarchy: new Cesium.PolygonHierarchy(
+                positions,
+                holes.map(
+                  (hole) =>
+                    new Cesium.PolygonHierarchy(
+                      Cesium.Cartesian3.fromDegreesArray(hole.flat()),
+                    ),
+                ),
+              ),
+              height: baseH,
+              extrudedHeight: topH,
+              perPositionHeight: false,
+              classificationType: CLASSIFY,
+              material: fillMaterial,
+            },
+          }),
+        );
+        // 2) Faint, SIMPLIFIED wireframe cage — secondary, lower opacity. Decimate
+        // the footprint so the extruded outline draws ~14 clean verticals, not one
+        // per (often 100+) ring vertex.
+        const cagePositions = Cesium.Cartesian3.fromDegreesArray(
+          decimateRing(buffered, 14).flat(),
+        );
+        entities.push(
+          addBuildingEntity({
+            polygon: {
+              hierarchy: new Cesium.PolygonHierarchy(cagePositions),
+              height: baseH,
+              extrudedHeight: topH,
+              perPositionHeight: false,
+              fill: false,
+              outline: true,
+              outlineColor: liveColor(anno, base, { alpha: 0.32, pulse: true }),
+            },
+          }),
+        );
+        // 3) Crisp draped base outline so the footprint reads on the ground.
+        for (const ring of [outer, ...holes]) {
+          entities.push(
+            addBuildingEntity({
+              polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArray(
+                  closedRing(ring).flat(),
+                ),
+                width: 3,
+                material: lineMaterial,
+                clampToGround: true,
+                classificationType: CLASSIFY,
+              },
             }),
-            clampToGround: true,
-            classificationType: CLASSIFY,
-          },
-        }),
-      );
+          );
+        }
+      }
     } else if (anno.ring && anno.ring.length >= 3) {
       // Larger area (district / compound / park / state) → flat fill draped on
       // the tiles + a glowing outline. Draping is right here: you can't extrude
@@ -247,6 +514,7 @@ export function createWorldAnnotationRenderer(viewer) {
             width: 9,
             material: new FlowMaterialProperty(
               PALETTE[anno.color] || PALETTE.primary,
+              () => anno.alpha ?? 1,
             ),
             clampToGround: true,
             classificationType: CLASSIFY,
@@ -300,6 +568,19 @@ export function createWorldAnnotationRenderer(viewer) {
       }
       entities.push(pointMarker(anno, base));
     }
+    if (
+      entities.length &&
+      anno.ring?.length >= 3 &&
+      !anno.synthesized &&
+      (anno.outlineCredit === 'tiles' || anno.outlineCredit === 'osm') &&
+      (options.isCurrent?.() ?? true)
+    ) {
+      // The actual world proxy owns both geometry and credit, including rollback.
+      osmAnnotations.add(anno);
+      showOsmCredit(viewer, anno, {
+        openMapTiles: anno.outlineCredit === 'tiles',
+      });
+    }
   }
 
   // Captions belong to the hybrid renderer's screen-space callouts.
@@ -318,8 +599,10 @@ export function createWorldAnnotationRenderer(viewer) {
   }
 
   function remove(anno) {
+    pendingGround.get(anno)?.finish('cancelled');
     hideOsmCredit(viewer, anno);
     osmAnnotations.delete(anno);
+    drawn.delete(anno);
     if (!anno?._entities) return;
     for (const entity of anno._entities) {
       try {
@@ -331,13 +614,25 @@ export function createWorldAnnotationRenderer(viewer) {
     anno._entities = null;
   }
 
+  /**
+   * CallbackProperty drives per-frame alpha and pulse. A hidden mark is taken
+   * out whole, so no material that keeps its own colour (the route's flow),
+   * ground classification or pick can still show it.
+   */
   function sync() {
-    // No-op: CallbackProperty drives per-frame alpha/pulse animation.
+    for (const anno of drawn) {
+      const show = !anno.hidden;
+      for (const entity of anno._entities || [])
+        if (entity.show !== show) entity.show = show;
+    }
   }
 
   function destroy() {
+    destroyed = true;
+    for (const task of [...pendingGround.values()]) task.finish('cancelled');
     for (const anno of osmAnnotations) hideOsmCredit(viewer, anno);
     osmAnnotations.clear();
+    drawn.clear();
     try {
       viewer.dataSources.remove(dataSource, true);
     } catch {
@@ -407,8 +702,11 @@ export function ensureFlowFabricRegistered() {
  * returned a standalone Material Cesium never rendered, or treated `result` as a
  * Material — both left the real uniforms untouched, so nothing animated.)
  */
-export function FlowMaterialProperty(colorCss) {
+export function FlowMaterialProperty(colorCss, alphaOf = () => 1) {
   this._color = Cesium.Color.fromCssColorString(colorCss).withAlpha(0.95);
+  // The mark's live alpha (fade in and out, hidden), applied every frame.
+  this._alphaOf = alphaOf;
+  this._live = this._color.clone();
   this._definitionChanged = new Cesium.Event();
 }
 Object.defineProperties(FlowMaterialProperty.prototype, {
@@ -431,7 +729,8 @@ FlowMaterialProperty.prototype.getValue = function getValue(time, result) {
   // `time` is read straight from the wall clock so the dashes flow every rendered
   // frame (the scene renders continuously; no requestRenderMode here).
   if (!Cesium.defined(result)) result = {};
-  result.color = this._color;
+  this._live.alpha = this._color.alpha * this._alphaOf();
+  result.color = this._live;
   result.time = performance.now() / 1000; // the per-frame animated value
   result.repeat = 64.0;
   result.duty = 0.46;
@@ -458,25 +757,11 @@ function decimateRing(ring, n) {
 }
 
 /**
- * Sample the ground height (m) just OUTSIDE a building footprint. Sampling at
- * the centroid would clamp onto the roof, so we probe several points beyond the
- * footprint radius and take a low percentile (≈ ground). Returns null if the
- * tiles under those points aren't loaded yet.
+ * The original eight outside-footprint probes. Keep their coordinates and order
+ * while scheduling the expensive scene picks across rendered frames.
  */
-function sampleGroundOutside(scene, ring) {
-  if (
-    !scene?.clampToHeightSupported ||
-    typeof scene.clampToHeight !== 'function'
-  )
-    return null;
-  let clon = 0;
-  let clat = 0;
-  for (const [lon, lat] of ring) {
-    clon += lon;
-    clat += lat;
-  }
-  clon /= ring.length;
-  clat /= ring.length;
+function groundProbePositions(ring) {
+  const { lon: clon, lat: clat } = ringCentroid(ring);
   const latS = 111320;
   const lonS = latS * Math.cos(Cesium.Math.toRadians(clat));
   let maxR = 0;
@@ -494,23 +779,11 @@ function sampleGroundOutside(scene, ring) {
     [0.7, -0.7],
     [-0.7, 0.7],
   ];
-  const samples = [];
-  for (const [dx, dy] of dirs) {
+  return dirs.map(([dx, dy]) => {
     const lon = clon + (dx * out) / lonS;
     const lat = clat + (dy * out) / latS;
-    try {
-      const c = scene.clampToHeight(Cesium.Cartesian3.fromDegrees(lon, lat, 0));
-      if (c) {
-        const h = Cesium.Cartographic.fromCartesian(c).height;
-        if (Number.isFinite(h) && h > -430 && h < 9000) samples.push(h);
-      }
-    } catch {
-      /* tile not ready */
-    }
-  }
-  if (!samples.length) return null;
-  samples.sort((a, b) => a - b);
-  return samples[Math.floor(samples.length * 0.3)];
+    return [lon, lat];
+  });
 }
 
 /**

src/annotations/worldAnnotationRenderer.test.mjs

@@ -0,0 +1,70 @@
+// A mark hidden from Draw's list leaves the globe whole: every entity it put
+// there is taken out on sync and comes back when shown, and the line's
+// flowing stroke, which keeps its own colour, follows the mark's alpha.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import * as C from 'cesium';
+import {
+  FlowMaterialProperty,
+  createWorldAnnotationRenderer,
+} from './worldAnnotationRenderer.js';
+
+const noop = () => {};
+function viewer(t) {
+  for (const name of ['HTMLCanvasElement', 'HTMLImageElement', 'ImageBitmap', 'OffscreenCanvas']) {
+    const original = globalThis[name];
+    globalThis[name] = class {};
+    t.after(() => { if (original === undefined) delete globalThis[name]; else globalThis[name] = original; });
+  }
+  const before = globalThis.document;
+  globalThis.document = { addEventListener: noop, removeEventListener: noop };
+  t.after(() => { if (before === undefined) delete globalThis.document; else globalThis.document = before; });
+  return {
+    creditDisplay: { addStaticCredit: noop, removeStaticCredit: noop },
+    entities: new C.EntityCollection(),
+    dataSources: new C.DataSourceCollection(),
+    camera: { moveEnd: new C.Event(), positionCartographic: { height: 1000 } },
+    scene: { requestRender: noop, canvas: { addEventListener: noop, removeEventListener: noop }, preRender: new C.Event(),
+      primitives: { add: (p) => p, remove: noop }, screenSpaceCameraController: { enableInputs: true } },
+  };
+}
+
+const marks = () => [
+  { id: 'route', type: 'route', color: 'amber', alpha: 1, anchor: { lat: 0, lon: 0 }, path: [{ lat: 0, lon: 0 }, { lat: 0.01, lon: 0.01 }] },
+  { id: 'area', type: 'area', color: 'green', alpha: 1, anchor: { lat: 0.005, lon: 0.005 }, ring: [[0, 0], [0.01, 0], [0.01, 0.01], [0, 0]] },
+  { id: 'pin', type: 'pin', color: 'primary', alpha: 1, anchor: { lat: 0.02, lon: 0.02 } },
+];
+
+test('a hidden mark has every entity taken off on sync, and back when shown', (t) => {
+  const renderer = createWorldAnnotationRenderer(viewer(t));
+  const [route, area, pin] = marks();
+  for (const anno of [route, area, pin]) renderer.add(anno);
+  const shown = (anno) => anno._entities.map((entity) => entity.show);
+  for (const anno of [route, area, pin]) assert.ok(anno._entities.length > 0, anno.id);
+
+  route.hidden = true;
+  area.hidden = true;
+  renderer.sync();
+  assert.ok(shown(route).every((show) => show === false), 'the line is off');
+  assert.ok(shown(area).every((show) => show === false), 'the area is off');
+  assert.ok(shown(pin).every((show) => show === true), 'a visible mark stays');
+
+  route.hidden = false;
+  renderer.sync();
+  assert.ok(shown(route).every((show) => show === true), 'the line is back');
+  renderer.remove(area);
+  renderer.sync();
+  assert.equal(area._entities, null, 'a removed mark is no longer synced');
+  renderer.destroy();
+});
+
+test('the line\'s flowing stroke follows its mark\'s alpha', () => {
+  let alpha = 1;
+  const material = new FlowMaterialProperty('#ffb547', () => alpha);
+  assert.ok(Math.abs(material.getValue(null, {}).color.alpha - 0.95) < 1e-9);
+  alpha = 0;
+  assert.equal(material.getValue(null, {}).color.alpha, 0, 'hidden: nothing painted');
+  alpha = 0.5;
+  assert.ok(Math.abs(material.getValue(null, {}).color.alpha - 0.475) < 1e-9, 'fading');
+  assert.equal(new FlowMaterialProperty('#fff').getValue(null, {}).color.alpha, 0.95, 'no alpha source: opaque as before');
+});

src/app/application.js

@@ -1,3 +1,4 @@
+import { mountApplicationViews } from '../ui/views/index.js';
 const START_ORDER = ['scene', 'controls', 'data', 'tools'];
 // Controls cancel restoration while the data manager and viewer still exist.
 const STOP_ORDER = ['tools', 'controls', 'data', 'scene'];
@@ -6,7 +7,9 @@ const STOP_ORDER = ['tools', 'controls', 'data', 'scene'];
  * Own application startup and teardown without importing an application entry.
  * Constructors receive earlier components, an AbortSignal and defer(cleanup).
  * Register cleanup immediately after acquiring each resource, before any await.
- * @param {{createScene:Function,createControls:Function,createData:Function,createTools:Function}} constructors
+ * The page's views render first; `omitViews` names the ones this application
+ * leaves out (see mountApplicationViews).
+ * @param {{createScene:Function,createControls:Function,createData:Function,createTools:Function,omitViews?:string[]}} constructors
  * @returns {{start:Function,destroy:Function,subscribe:Function,getState:Function,getComponents:Function}}
  */
 export function createApplication({
@@ -14,7 +17,10 @@ export function createApplication({
   createControls,
   createData,
   createTools,
+  omitViews = [],
 }) {
+  // A host's page needs its views before any phase reads the markup.
+  mountApplicationViews(globalThis.document, { omit: omitViews });
   const factories = {
     scene: createScene,
     controls: createControls,

src/app/application.test.mjs

@@ -31,6 +31,8 @@ test('importing and constructing the package is inactive without browser globals
   const result = spawnSync(
     process.execPath,
     [
+      // Views are single-file components; Node needs the loader hosts use.
+      '--import=gods-eye-view/build/register-vue',
       '--input-type=module',
       '-e',
       `

src/app/constructCatalog.js

@@ -126,6 +126,7 @@ export function createApplicationCatalog({
         }),
         createApplicationGnssIntegrity({
           source: sources['gnss-integrity'],
+          windowMs: sources['gnss-integrity'].windowMs,
         }),
         createApplicationGhostMaps({ source: sources['s2-ghostmaps'] }),
         createApplicationAlpr({ surface, source: sources.alpr }),

src/app/constructCatalog.test.mjs

@@ -193,3 +193,42 @@ test('Mapillary can be omitted or replaced without changing catalog membership',
     /Mapillary source/,
   );
 });
+
+test('a GNSS integrity source can set the layer evidence window', (t) => {
+  const lifetime = new AbortController();
+  t.after(() => lifetime.abort());
+  const gnssLayer = (descriptor) => {
+    const sources = fixtureSources([], []);
+    sources['gnss-integrity'] = {
+      getSnapshot: async () => ({}),
+      ...descriptor,
+    };
+    return createApplicationCatalog({
+      sources,
+      signal: lifetime.signal,
+      surface: fixtureSurface(lifetime.signal),
+    }).get('gnss-integrity');
+  };
+  const shows = (layer, minutes) => {
+    assert.equal(layer.provenance.window.minutes, minutes);
+    const { info, legend } = layer.getRowControls();
+    assert.match(info, new RegExp(`visited views over ${minutes} min`));
+    assert.match(legend[0].blurb, new RegExp(`over ${minutes} minutes`));
+  };
+  shows(gnssLayer({ windowMs: 65 * 60_000 }), 65);
+  shows(gnssLayer({}), 30);
+  for (const windowMs of [
+    undefined,
+    null,
+    NaN,
+    Infinity,
+    0,
+    -60_000,
+    '3600000',
+  ])
+    assert.equal(
+      gnssLayer({ windowMs }).provenance.window.minutes,
+      30,
+      `${String(windowMs)} falls back to the default`,
+    );
+});

src/app/controls.js

@@ -7,7 +7,8 @@ import { t } from '../i18n/index.js';
 /**
  * Construct the existing controls and camera presentation. `initialShareCode`
  * opens a share code (the `<code>` of `/share/<code>`) at start-up, for a host
- * whose address does not carry one.
+ * whose address does not carry one. `localePicker: false` removes the language
+ * picker, for a host that does not initialize Core's locale.
  */
 export function createApplicationControls({
   scene: { viewer, mapStackController, operations },
@@ -18,6 +19,7 @@ export function createApplicationControls({
   placeSearch,
   defer,
   initialShareCode = null,
+  localePicker = true,
 }) {
   // Initialize the style manager (post-processing, HUD, locations, share links)
   const styleManager = new Controls(viewer, {
@@ -34,6 +36,7 @@ export function createApplicationControls({
     placeSearch,
     // A share code to open at start-up instead of the page's address.
     initialShareCode,
+    localePicker,
   });
   defer(() => styleManager.orbitController.stop());
   defer(() => styleManager.hud.destroy());

src/app/layers/aisLiveVessels.js

@@ -9,6 +9,7 @@ import * as sprites from '../../data/spriteOrder.js';
 import * as focus from '../../data/focusDeemphasis.js';
 import * as worldFocus from '../../worldFocus.js';
 import * as render from '../../renderGovernor.js';
+import * as readouts from '../../hudReadouts.js';
 
 /** Construct one layer using the application scene owners and a supplied source. */
 export function createApplicationVessels({ source, options = {} }) {
@@ -26,6 +27,7 @@ export function createApplicationVessels({ source, options = {} }) {
       focus,
       worldFocus,
       render,
+      readouts,
     },
   });
 }

src/app/scene.js

@@ -14,7 +14,7 @@ import {
   governorRequestRender,
 } from '../renderGovernor.js';
 import { describeError } from './errors.js';
-import { t } from '../i18n/index.js';
+import { onLocaleChange, t } from '../i18n/index.js';
 
 /** Construct the application globe using the caller's local configuration. */
 export async function createApplicationScene({
@@ -60,6 +60,7 @@ export async function createApplicationScene({
   defer(installTrackpadPinchZoom(viewer));
   registerDataCredits(viewer, credits);
   configureCreditKeyboardAccess(document);
+  defer(onLocaleChange(() => configureCreditKeyboardAccess(document)));
   loaderStatus.textContent =
     googleApiKey || googleTokens || cesiumToken
       ? t('Loading Google 3D Tiles...')

src/app/tools.js

@@ -2,6 +2,8 @@ import { SceneDirector } from '../scenes/director.js';
 import { initAnnotations } from '../annotations/index.js';
 import { initDrawTool } from '../annotations/drawTool.js';
 import { initGeoFileImport } from '../ui/geoFileImport.js';
+import { useDisplayStore } from '../ui/stores/display.js';
+import { applicationPinia } from '../ui/vueRuntime.js';
 import { initImageryBoxTool } from '../ui/imageryBoxTool.js';
 import { createRecentImageryPanel } from '../ui/recentImagery.js';
 import { initGevVoiceCommands } from '../voice/gevRealtime.js';
@@ -53,12 +55,26 @@ export function createApplicationTools({
     if (window.__gevAnnotations === annotations) delete window.__gevAnnotations;
     annotations.destroy();
   });
-  // DISPLAY ▸ Draw: the same whiteboard, drawn by hand. It claims the pointer
+  const displayStore = useDisplayStore(applicationPinia());
+  // The Display panel's controls answer through the store; returns the
+  // disconnect.
+  const connectDisplay = (actions) => {
+    const token = displayStore.connect(actions);
+    return () => displayStore.detach(token);
+  };
+  // UTILITIES ▸ Draw: the same whiteboard, drawn by hand. It claims the pointer
   // while a session is open, so its teardown belongs to the application
-  // lifetime rather than to whoever last pressed the button.
-  const drawTool = initDrawTool({ viewer, annotations });
+  // lifetime rather than to whoever last pressed the button. A row's fly-to
+  // goes through the shell's navigation policy, as Import's does.
+  const drawTool = initDrawTool({
+    viewer,
+    annotations,
+    navigation: styleManager,
+    publish: (view) => displayStore.publishDraw(view),
+    connect: connectDisplay,
+  });
   defer(() => drawTool?.destroy());
-  // DISPLAY ▸ Import: the person's own GeoJSON/KML/KMZ/GPX files, each its
+  // UTILITIES ▸ Import: the person's own GeoJSON/KML/KMZ/GPX files, each its
   // own data source. They live for the page session, so the application
   // lifetime removes them and the drop listeners on the viewer container.
   const geoFileImport = initGeoFileImport({
@@ -66,6 +82,8 @@ export function createApplicationTools({
     navigation: styleManager,
     ground: operations.surface?.groundFloor,
     subscribeMapSource: (listener) => mapStackController?.subscribe?.(listener),
+    publish: (view) => displayStore.publishGeoImport(view),
+    connect: connectDisplay,
   });
   defer(() => geoFileImport?.destroy());
   // DATA ▸ Recent Imagery: the box tool claims the pointer like Draw and the

src/cameraGlobeRotation.test.mjs

@@ -831,10 +831,37 @@ test('orbit-toggle controller stops globe motion before toggling', async (t) =>
         return true;
       },
     },
-    _orbitIndicator: { classList: { toggle() {} } },
+    _locationControls: { showOrbit() {} },
   });
   assert.equal(toggled, true);
 });
+test('the voice orbit switch lights and clears the ORBIT indicator', async () => {
+  const { LocationNavigation } = await import('./ui/locationNavigation.js');
+  const shown = [];
+  let active = false;
+  const nav = Object.assign(Object.create(LocationNavigation.prototype), {
+    services: {},
+    _currentTarget: {},
+    _currentPoi: {},
+    orbitController: {
+      get active() {
+        return active;
+      },
+      toggle() {
+        active = !active;
+        return active;
+      },
+      stop() {
+        active = false;
+      },
+    },
+    _locationControls: { showOrbit: (value) => shown.push(value) },
+  });
+  assert.deepEqual(nav.setOrbit(true), { ok: true, orbiting: true });
+  assert.deepEqual(nav.setOrbit(true), { ok: true, orbiting: true });
+  assert.deepEqual(nav.setOrbit(false), { ok: true, orbiting: false });
+  assert.deepEqual(shown, [true, false]);
+});
 for (const owner of ['tracking', 'cockpit', 'close-up'])
   test(`actual voice runner refuses ${owner} without releasing or repositioning`, async (t) => {
     const { createGevActionRunner } = await import('./voice/gevActions.js');

src/cameraHandoff.test.mjs

@@ -353,7 +353,7 @@ test('teardown refuses deferred location work before geocoding begins', () => {
     'if (!query || this.destroyed) return;',
     'const authority = this.begin();',
     'if (authority === false)',
-    'this.input.blur();',
+    'this.input?.blur();',
     'this.onStart?.(authority);',
     'await this.search(query',
   ], 'disposed search refusal');

src/cameraVerbs.js

@@ -1746,8 +1746,13 @@ export function flyRoute(
   const speed = ROUTE_M_S[String(args.speed || 'normal').toLowerCase()]
     ? String(args.speed || 'normal').toLowerCase()
     : 'normal';
+  // A route hidden from Draw's list is not on screen, so it is not flown.
   const routes = (annoList || []).filter(
-    (a) => a.type === 'route' && Array.isArray(a.path) && a.path.length >= 2,
+    (a) =>
+      a.type === 'route' &&
+      !a.hidden &&
+      Array.isArray(a.path) &&
+      a.path.length >= 2,
   );
   if (!routes.length) {
     return {

src/celestialRing.js

@@ -379,15 +379,23 @@ function drawMoonHaze(ctx, cx, cy, radius, angle) {
   ctx.restore();
 }
 
+// Keys each ring's overlay, so a new ring never reuses an old one's canvases.
+let rings = 0;
+
 /**
  * Screen-space ring and celestial direction overlay for the full-globe view.
+ * The overlay is presented to the celestial ring store, whose view renders it
+ * inside the viewer's container and hands back the two canvases this paints.
  */
 export class CelestialRing {
   /**
    * @param {Cesium.Viewer} viewer
-   * @param {{enabled?:boolean,onAutoDisable?:Function}} [options]
+   * @param {{enabled?:boolean,onAutoDisable?:Function,store:object}} options
+   *   `store` is the celestial ring store (src/ui/stores/celestialRing.js);
+   *   the keyhole helpers here stay free of Vue for the packages that use
+   *   them.
    */
-  constructor(viewer, { enabled = true, onAutoDisable = null } = {}) {
+  constructor(viewer, { enabled = true, onAutoDisable = null, store }) {
     this.viewer = viewer;
     this.enabled = !!enabled;
     this.visible = false;
@@ -406,6 +414,10 @@ export class CelestialRing {
     this._sunRenderKey = '';
     this._moonRenderKey = '';
     this._outlineRenderKey = '';
+    this._sunCanvas = null;
+    this._sunCtx = null;
+    this._moonCanvas = null;
+    this._moonCtx = null;
 
     this._sunInertial = new Cesium.Cartesian3();
     this._moonInertial = new Cesium.Cartesian3();
@@ -415,7 +427,7 @@ export class CelestialRing {
     this._screenCenter = new Cesium.Cartesian2();
     this._fixedMatrix = new Cesium.Matrix3();
 
-    this._buildDOM();
+    this._initView(store);
     this._removePostRender = viewer.scene.postRender.addEventListener(() =>
       this._draw(),
     );
@@ -436,48 +448,68 @@ export class CelestialRing {
     this.setEnabled(this.enabled);
   }
 
-  /** Construct cached effect layers and Material Symbols celestial markers. */
-  _buildDOM() {
-    this._root = document.createElement('div');
-    this._root.id = 'celestial-ring-overlay';
-    this._root.className = 'celestial-ring-overlay';
-    this._root.setAttribute('aria-hidden', 'true');
-
-    this._ringOutline = document.createElement('div');
-    this._ringOutline.className = 'celestial-ring-outline';
-
-    this._sunCanvas = document.createElement('canvas');
-    this._sunCanvas.className = 'celestial-ring-canvas celestial-sun-canvas';
-    this._sunCtx = this._sunCanvas.getContext('2d', {
-      alpha: true,
-      desynchronized: true,
+  /** Present the overlay and take the canvases its view hands back. */
+  _initView(store) {
+    const owner = {};
+    this._store = store;
+    this._owner = owner;
+    this._view = {
+      id: ++rings,
+      owner,
+      container: this.viewer.container,
+      enabled: this.enabled,
+      visible: false,
+      globeVisible: null,
+      ephemerisUpdates: null,
+      size: null,
+      outline: null,
+      sun: null,
+      moon: null,
+      sunMarker: null,
+      moonMarker: null,
+    };
+    this._viewKey = '';
+    store.publish(this._view);
+    store.connect({
+      attach: (from, kind, canvas) => {
+        if (from === owner && this._shown()) this._attach(kind, canvas);
+      },
     });
+  }
 
-    this._moonCanvas = document.createElement('canvas');
-    this._moonCanvas.className = 'celestial-ring-canvas celestial-moon-canvas';
-    this._moonCtx = this._moonCanvas.getContext('2d', {
-      alpha: true,
-      desynchronized: true,
-    });
+  /** Whether the store still shows this ring's overlay. */
+  _shown() {
+    return this._store.ring?.owner === this._owner;
+  }
 
-    this._sunMarker = document.createElement('span');
-    this._sunMarker.className =
-      'celestial-marker celestial-sun material-symbols-outlined';
-    this._sunMarker.textContent = 'light_mode';
-
-    this._moonMarker = document.createElement('span');
-    this._moonMarker.className =
-      'celestial-marker celestial-moon material-symbols-outlined';
-    this._moonMarker.textContent = 'dark_mode';
-
-    this._root.append(
-      this._ringOutline,
-      this._sunCanvas,
-      this._moonCanvas,
-      this._sunMarker,
-      this._moonMarker,
+  /** Publish a change to the overlay, skipping one that changes nothing. */
+  _present(patch) {
+    if (!this._shown()) return;
+    const next = { ...this._view, ...patch };
+    const key = JSON.stringify(next, (name, value) =>
+      name === 'owner' || name === 'container' ? undefined : value,
     );
-    this.viewer.container.appendChild(this._root);
+    if (key === this._viewKey) return;
+    this._view = next;
+    this._viewKey = key;
+    this._store.publish(next);
+  }
+
+  /** Take (or, with null, drop) the canvas the view rendered for one layer. */
+  _attach(kind, canvas) {
+    const ctx =
+      canvas?.getContext('2d', { alpha: true, desynchronized: true }) ?? null;
+    // A new canvas starts blank, so the next frame repaints its layer.
+    if (kind === 'sun') {
+      this._sunCanvas = canvas;
+      this._sunCtx = ctx;
+      this._sunRenderKey = '';
+    } else if (kind === 'moon') {
+      this._moonCanvas = canvas;
+      this._moonCtx = ctx;
+      this._moonRenderKey = '';
+    } else return;
+    if (canvas && this.enabled) governorRequestRender('celestial-ring');
   }
 
   /** Enable or disable the user preference for the effect. */
@@ -491,12 +523,14 @@ export class CelestialRing {
     // all. Camera motion covers every later repaint; the 60 s ephemeris
     // timer requests its own. (perf wave 2 fix — owner playtest finding)
     if (this.enabled !== wasEnabled) governorRequestRender('celestial-ring');
-    this._root.classList.toggle('disabled', !this.enabled);
     if (!this.enabled) {
       this.visible = false;
-      this._root.classList.remove('visible');
       this._clear();
     }
+    this._present({
+      enabled: this.enabled,
+      ...(!this.enabled && { visible: false }),
+    });
   }
 
   /** Whether the current camera already frames the complete globe inside the keyhole. */
@@ -577,7 +611,7 @@ export class CelestialRing {
     ]) {
       if (canvas && ctx) ctx.clearRect(0, 0, canvas.width, canvas.height);
     }
-    this._ringOutline?.style.setProperty('display', 'none');
+    this._present({ outline: { ...this._view.outline, hidden: true } });
     this._sunRenderKey = '';
     this._moonRenderKey = '';
     this._outlineRenderKey = '';
@@ -607,10 +641,9 @@ export class CelestialRing {
         canvas.width = bw;
         canvas.height = bh;
       }
-      canvas.style.width = `${width}px`;
-      canvas.style.height = `${height}px`;
       ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
     }
+    this._present({ size: { width, height } });
     this._renderScale = dpr;
   }
 
@@ -665,8 +698,8 @@ export class CelestialRing {
     );
   }
 
-  /** Position one icon-library marker along the keyhole circumference. */
-  _positionMarker(marker, cx, cy, radius, angle, opacity) {
+  /** Where one icon-library marker sits along the keyhole circumference. */
+  _markerPosition(cx, cy, radius, angle, opacity) {
     const cos = Math.cos(angle);
     const sin = Math.sin(angle);
     const margin = 14;
@@ -679,20 +712,26 @@ export class CelestialRing {
         ? (cy - margin) / Math.abs(sin)
         : Number.POSITIVE_INFINITY;
     const markerRadius = Math.min(radius, maxRadiusX, maxRadiusY);
-    marker.style.left = `${cx + cos * markerRadius}px`;
-    marker.style.top = `${cy + sin * markerRadius}px`;
-    marker.style.opacity = String(opacity);
+    return {
+      left: cx + cos * markerRadius,
+      top: cy + sin * markerRadius,
+      opacity: String(opacity),
+    };
   }
 
   /** Update the cached effect geometry only when camera distance or viewport changes. */
   _renderEffectLayers(cx, cy, radius, rayInnerRadius) {
     const outlineKey = `${cx}:${cy}:${radius}`;
     if (outlineKey !== this._outlineRenderKey) {
-      this._ringOutline.style.display = '';
-      this._ringOutline.style.left = `${cx - radius}px`;
-      this._ringOutline.style.top = `${cy - radius}px`;
-      this._ringOutline.style.width = `${radius * 2}px`;
-      this._ringOutline.style.height = `${radius * 2}px`;
+      this._present({
+        outline: {
+          hidden: false,
+          left: cx - radius,
+          top: cy - radius,
+          width: radius * 2,
+          height: radius * 2,
+        },
+      });
       this._outlineRenderKey = outlineKey;
     }
 
@@ -724,7 +763,11 @@ export class CelestialRing {
 
   /** Per-frame camera projection with GPU-composited cached effect layers. */
   _draw() {
-    if (!this.enabled || !this._sunCtx || !this._moonCtx) return;
+    // A ring the store no longer shows has handed its overlay to a later one.
+    if (!this.enabled || !this._shown()) return;
+    // Without its canvases (no view rendered them) the ring still tracks
+    // whether the globe is framed, so it turns itself off as before.
+    const painted = !!(this._sunCtx && this._moonCtx);
     const now = performance.now();
     if (now < this._nextDrawAt) return;
     this._nextDrawAt = now + 1000 / CELESTIAL_MAX_FRAME_RATE;
@@ -732,7 +775,7 @@ export class CelestialRing {
     const width = canvas.clientWidth || canvas.width;
     const height = canvas.clientHeight || canvas.height;
     if (!(width > 0 && height > 0)) return;
-    this._resize(width, height);
+    if (painted) this._resize(width, height);
 
     const disc = this._projectedEarthDisc(width, height);
     const wasVisible = this.visible;
@@ -740,9 +783,11 @@ export class CelestialRing {
       ? isFullGlobeInsideKeyhole(disc, wasVisible)
       : false;
     this.visible = nextVisible;
-    this._root.classList.toggle('visible', nextVisible);
-    this._root.dataset.globeVisible = String(nextVisible);
-    this._root.dataset.ephemerisUpdates = String(this._ephemerisUpdateCount);
+    this._present({
+      visible: nextVisible,
+      globeVisible: String(nextVisible),
+      ephemerisUpdates: String(this._ephemerisUpdateCount),
+    });
     if (!nextVisible || !disc) {
       this._clear();
       this._debug = { enabled: true, visible: false, disc };
@@ -751,10 +796,14 @@ export class CelestialRing {
     }
 
     if (!wasVisible) this._ephemerisDirty = true;
+    if (!painted) {
+      this._debug = { enabled: true, visible: true, disc };
+      return;
+    }
 
     const time = Cesium.JulianDate.now();
     if (!this._updateEphemeris(time)) return;
-    this._root.dataset.ephemerisUpdates = String(this._ephemerisUpdateCount);
+    this._present({ ephemerisUpdates: String(this._ephemerisUpdateCount) });
     const camera = this.viewer.camera;
     const sunProjection = celestialScreenAngle(
       Cesium.Cartesian3.dot(this._sunFixed, camera.rightWC),
@@ -779,10 +828,6 @@ export class CelestialRing {
       disc.earthRadius + Math.max(38, radius * 0.065),
     );
     this._renderEffectLayers(cx, cy, radius, rayInnerRadius);
-    this._sunCanvas.style.transform = `rotate(${this._sunAngle}rad)`;
-    this._sunCanvas.style.opacity = String(this._sunOpacity);
-    this._moonCanvas.style.transform = `rotate(${this._moonAngle}rad)`;
-    this._moonCanvas.style.opacity = String(this._moonOpacity);
 
     // Markers sit inside the illuminated band rather than straddling its outer
     // stroke. Near conjunction (such as a new moon), keep the true bearings but
@@ -791,22 +836,30 @@ export class CelestialRing {
     const markersCollide =
       circularAngleDistance(this._sunAngle, this._moonAngle) <
       MARKER_COLLISION_ANGLE;
-    this._positionMarker(
-      this._sunMarker,
-      cx,
-      cy,
-      markerRadius,
-      this._sunAngle,
-      this._sunOpacity,
-    );
-    this._positionMarker(
-      this._moonMarker,
-      cx,
-      cy,
-      markerRadius - (markersCollide ? COLLIDING_MARKER_EXTRA_INSET_PX : 0),
-      this._moonAngle,
-      this._moonOpacity,
-    );
+    this._present({
+      sun: {
+        transform: `rotate(${this._sunAngle}rad)`,
+        opacity: String(this._sunOpacity),
+      },
+      moon: {
+        transform: `rotate(${this._moonAngle}rad)`,
+        opacity: String(this._moonOpacity),
+      },
+      sunMarker: this._markerPosition(
+        cx,
+        cy,
+        markerRadius,
+        this._sunAngle,
+        this._sunOpacity,
+      ),
+      moonMarker: this._markerPosition(
+        cx,
+        cy,
+        markerRadius - (markersCollide ? COLLIDING_MARKER_EXTRA_INSET_PX : 0),
+        this._moonAngle,
+        this._moonOpacity,
+      ),
+    });
     this._debug = {
       enabled: true,
       visible: true,
@@ -831,7 +884,7 @@ export class CelestialRing {
       : null;
   }
 
-  /** Detach the render hook and remove all overlay DOM. */
+  /** Detach the render hook and withdraw the overlay. */
   destroy() {
     if (this._ephemerisTimer) {
       clearInterval(this._ephemerisTimer);
@@ -839,6 +892,10 @@ export class CelestialRing {
     }
     if (this._removePostRender) this._removePostRender();
     this._removePostRender = null;
-    this._root?.remove();
+    if (this._shown()) {
+      this._store.connect(null);
+      this._store.publish(null);
+    }
+    this._sunCanvas = this._sunCtx = this._moonCanvas = this._moonCtx = null;
   }
 }

src/celestialRingView.test.mjs

@@ -0,0 +1,251 @@
+// src/celestialRingView.test.mjs — the full-globe ring renders in the
+// viewer's container from what the ring owner presents, and the owner paints
+// the canvases the view hands back.
+import './testSupport/registerDom.mjs';
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { createApp, nextTick } from 'vue';
+import { createPinia } from 'pinia';
+import { useCelestialRingStore } from './ui/stores/celestialRing.js';
+import CelestialRingView from './ui/views/panels/CelestialRing.vue';
+import * as Cesium from 'cesium';
+import { CelestialRing } from './celestialRing.js';
+
+// happy-dom has no 2D context; a stand-in takes every drawing call.
+const context = new Proxy(
+  {},
+  { get: (target, name) => target[name] ?? (() => context), set: () => true },
+);
+globalThis.HTMLCanvasElement.prototype.getContext = () => context;
+
+function fakeViewer(container) {
+  return {
+    container,
+    camera: {
+      rightWC: new Cesium.Cartesian3(1, 0, 0),
+      upWC: new Cesium.Cartesian3(0, 1, 0),
+    },
+    scene: {
+      canvas: { clientWidth: 400, clientHeight: 300, width: 400, height: 300 },
+      postRender: { addEventListener: () => () => {} },
+      requestRender() {},
+    },
+  };
+}
+
+function fixture(t) {
+  document.body.replaceChildren();
+  const container = document.body.appendChild(document.createElement('div'));
+  const pinia = createPinia();
+  const store = useCelestialRingStore(pinia);
+  const app = createApp(CelestialRingView).use(pinia);
+  app.mount(document.body.appendChild(document.createElement('div')));
+  const rings = [];
+  const create = (options = {}) => {
+    const ring = new CelestialRing(fakeViewer(container), {
+      enabled: false,
+      store,
+      ...options,
+    });
+    rings.push(ring);
+    return ring;
+  };
+  t.after(() => {
+    for (const ring of rings) ring.destroy();
+    app.unmount();
+  });
+  const $ = (selector) => container.querySelector(selector);
+  const settle = async () => {
+    for (let flush = 0; flush < 4; flush += 1) await nextTick();
+  };
+  return { container, store, create, $, settle };
+}
+
+test('the ring renders its overlay in the viewer container', async (t) => {
+  const { create, $, settle } = fixture(t);
+  const ring = create();
+  await settle();
+  const root = $('#celestial-ring-overlay');
+  assert.equal(root.className, 'celestial-ring-overlay disabled');
+  assert.equal(root.getAttribute('aria-hidden'), 'true');
+  assert.equal(root.hasAttribute('data-globe-visible'), false);
+  assert.deepEqual(
+    [...root.children].map((child) => [child.tagName, child.className]),
+    [
+      ['DIV', 'celestial-ring-outline'],
+      ['CANVAS', 'celestial-ring-canvas celestial-sun-canvas'],
+      ['CANVAS', 'celestial-ring-canvas celestial-moon-canvas'],
+      ['SPAN', 'celestial-marker celestial-sun material-symbols-outlined'],
+      ['SPAN', 'celestial-marker celestial-moon material-symbols-outlined'],
+    ],
+  );
+  assert.equal(root.children[0].style.display, 'none');
+  assert.equal(root.children[3].textContent, 'light_mode');
+  assert.equal(root.children[4].textContent, 'dark_mode');
+  assert.ok(ring._sunCanvas === root.children[1]);
+  assert.ok(ring._moonCanvas === root.children[2]);
+  ring.setEnabled(true);
+  await settle();
+  assert.equal(root.className, 'celestial-ring-overlay');
+  ring.destroy();
+  await settle();
+  assert.equal($('#celestial-ring-overlay'), null);
+  assert.equal(ring._sunCanvas, null);
+});
+
+test('a drawn frame places the outline, layers and markers', async (t) => {
+  const { create, $, settle } = fixture(t);
+  const ring = create({ enabled: true });
+  await settle();
+  ring._present({ visible: true, globeVisible: 'true', ephemerisUpdates: '1' });
+  ring._resize(400, 300);
+  ring._renderEffectLayers(200, 150, 120, 80);
+  ring._present({
+    sun: { transform: 'rotate(1rad)', opacity: '0.5' },
+    sunMarker: ring._markerPosition(200, 150, 100, 0, 1),
+  });
+  await settle();
+  const root = $('#celestial-ring-overlay');
+  assert.equal(root.className, 'celestial-ring-overlay visible');
+  assert.equal(root.dataset.globeVisible, 'true');
+  assert.equal(root.dataset.ephemerisUpdates, '1');
+  const [outline, sun, moon, sunMarker] = root.children;
+  assert.equal(outline.style.display, '');
+  assert.equal(outline.style.left, '80px');
+  assert.equal(outline.style.width, '240px');
+  assert.equal(sun.style.width, '400px');
+  assert.equal(sun.style.transform, 'rotate(1rad)');
+  assert.equal(sun.style.opacity, '0.5');
+  assert.equal(moon.style.height, '300px');
+  assert.equal(sunMarker.style.left, '300px');
+  assert.equal(sunMarker.style.top, '150px');
+  ring.setEnabled(false);
+  await settle();
+  assert.equal(root.className, 'celestial-ring-overlay disabled');
+  assert.equal(outline.style.display, 'none');
+});
+
+test("an earlier ring leaves a later ring's overlay alone", async (t) => {
+  const { create, store, $, settle } = fixture(t);
+  const earlier = create();
+  await settle();
+  const later = create();
+  await settle();
+  const root = $('#celestial-ring-overlay');
+  assert.ok(later._sunCanvas === root.children[1]);
+  earlier.setEnabled(true);
+  earlier.destroy();
+  await settle();
+  assert.ok(store.ring.owner === later._owner);
+  assert.equal(
+    $('#celestial-ring-overlay').className,
+    'celestial-ring-overlay disabled',
+  );
+  assert.ok(later._sunCanvas === $('.celestial-sun-canvas'));
+});
+
+// A globe framed well inside the keyhole of a 400 x 300 view.
+const FRAMED = {
+  earthCenterX: 200,
+  earthCenterY: 150,
+  earthRadius: 40,
+  keyholeCenterX: 200,
+  keyholeCenterY: 150,
+  keyholeRadius: 140,
+};
+
+/** Run one rendered frame, past the frame-rate throttle. */
+function frame(ring, disc) {
+  ring._projectedEarthDisc = () => disc;
+  // Fixed sun and moon directions; Cesium's own model would fetch its
+  // orientation data.
+  ring._updateEphemeris = () => {
+    if (ring._ephemerisDirty) {
+      Cesium.Cartesian3.clone(new Cesium.Cartesian3(1, 0, 0), ring._sunFixed);
+      Cesium.Cartesian3.clone(new Cesium.Cartesian3(0, 1, 0), ring._moonFixed);
+      ring._ephemerisDirty = false;
+      ring._ephemerisUpdateCount += 1;
+    }
+    return true;
+  };
+  ring._nextDrawAt = 0;
+  ring._draw();
+}
+
+test('a rendered frame publishes the layers and markers it painted', async (t) => {
+  const { create, $, settle } = fixture(t);
+  const ring = create({ enabled: true });
+  await settle();
+  frame(ring, FRAMED);
+  await settle();
+  const root = $('#celestial-ring-overlay');
+  assert.equal(root.className, 'celestial-ring-overlay visible');
+  assert.equal(root.dataset.globeVisible, 'true');
+  assert.equal(root.dataset.ephemerisUpdates, '1');
+  const [outline, sun, moon, sunMarker, moonMarker] = root.children;
+  const debug = ring.getDebugState();
+  assert.equal(debug.visible, true);
+  assert.equal(outline.style.display, '');
+  // The outline is the keyhole circle, a fixed inset inside its radius.
+  const diameter = parseFloat(outline.style.width);
+  assert.ok(diameter > 0 && diameter < 280);
+  assert.equal(outline.style.height, outline.style.width);
+  assert.equal(outline.style.left, `${200 - diameter / 2}px`);
+  assert.equal(outline.style.top, `${150 - diameter / 2}px`);
+  assert.equal(sun.style.width, '400px');
+  assert.equal(moon.style.height, '300px');
+  assert.equal(sun.style.transform, `rotate(${debug.sunAngle}rad)`);
+  assert.equal(moon.style.transform, `rotate(${debug.moonAngle}rad)`);
+  assert.equal(sun.style.opacity, String(debug.sunOpacity));
+  assert.equal(moon.style.opacity, String(debug.moonOpacity));
+  assert.ok(sunMarker.style.left.endsWith('px'));
+  assert.ok(moonMarker.style.top.endsWith('px'));
+  assert.equal(moonMarker.style.opacity, String(debug.moonOpacity));
+});
+
+test('a frame without the globe framed turns the ring off', async (t) => {
+  const { create, $, settle } = fixture(t);
+  let disabled = 0;
+  const ring = create({ enabled: true, onAutoDisable: () => (disabled += 1) });
+  await settle();
+  frame(ring, FRAMED);
+  frame(ring, null);
+  await settle();
+  assert.equal(ring.enabled, false);
+  assert.equal(disabled, 1);
+  assert.equal(
+    $('#celestial-ring-overlay').className,
+    'celestial-ring-overlay disabled',
+  );
+});
+
+test('without a rendered view the ring still tracks the globe and turns off', () => {
+  const pinia = createPinia();
+  let disabled = 0;
+  const ring = new CelestialRing(fakeViewer({}), {
+    enabled: true,
+    store: useCelestialRingStore(pinia),
+    onAutoDisable: () => (disabled += 1),
+  });
+  frame(ring, FRAMED);
+  assert.equal(ring.visible, true);
+  frame(ring, null);
+  assert.equal(ring.enabled, false);
+  assert.equal(disabled, 1);
+  ring.destroy();
+});
+
+test('a ring the store no longer shows stops drawing', async (t) => {
+  const { create, settle } = fixture(t);
+  let disabled = 0;
+  const earlier = create({
+    enabled: true,
+    onAutoDisable: () => (disabled += 1),
+  });
+  await settle();
+  create();
+  await settle();
+  frame(earlier, null);
+  assert.equal(earlier.enabled, true);
+  assert.equal(disabled, 0);
+});

src/cockpitMarkup.test.mjs

@@ -2,7 +2,7 @@ import {
   readShellSource,
   shellMethod,
 } from './testSupport/readShellSource.mjs';
-import { expandApplicationHtml } from '../build/application-html.js';
+import { renderApplicationHtml } from './testSupport/applicationHtml.mjs';
 import { readLayerSource } from './testSupport/readLayerSource.mjs';
 import { PanelLayoutController } from './ui/panelLayoutController.js';
 import { readShellElements } from './ui/shellElements.js';
@@ -16,14 +16,20 @@ import {
   readAircraftInfo,
   _adoptTrackedEntity,
 } from './ui/cockpitTrackingController.js';
-import { setVisionMode, cycleVisionMode } from './ui/cockpitInstruments.js';
+import { cycleVisionMode } from './ui/cockpitInstruments.js';
+import { createVisionState } from './ui/cockpitInstrumentState.js';
+import { COCKPIT_VISION_MODES } from './cockpitVisionPolicy.js';
 import { updateContext as cockpitContext } from './ui/cockpitContext.js';
 import {
   syncSignalLayout,
   setContextCollapsed,
   setSignalCollapsed,
 } from './ui/cockpitLayout.js';
-import { setBriefAutoRotate } from './ui/cockpitBriefing.js';
+import { createBriefState } from './ui/cockpitBriefPages.js';
+import {
+  publishBriefView,
+  setBriefAutoRotate,
+} from './ui/cockpitBriefing.js';
 import { CockpitDisplayPortal } from './ui/cockpitDisplayPortal.js';
 import { _handleContextLayerChange } from './ui/contextLayerChanges.js';
 import { clearSelectedLayers } from './ui/contextActions.js';
@@ -46,7 +52,7 @@ import { fileURLToPath } from 'node:url';
 
 const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
 
-const html = expandApplicationHtml(
+const html = await renderApplicationHtml(
   fs.readFileSync(path.join(ROOT, 'index.html'), 'utf8'),
 );
 const ui = readShellSource();
@@ -149,11 +155,10 @@ test('Cockpit vision cycle exposes every map preset exactly once', () => {
     cycleVisionMode.toString(),
     /const modes = COCKPIT_VISION_MODES;/,
   );
-  assert.match(
-    setVisionMode.toString(),
-    /const labels = \{\s*optical: t\('NORMAL'\),\s*crt: t\('CRT'\),\s*nvg: t\('NVG'\),\s*thermal: t\('FLIR'\),\s*anime: t\('ANIME'\),\s*noir: t\('NOIR'\),?\s*\};/,
+  assert.deepEqual(
+    COCKPIT_VISION_MODES.map((mode) => createVisionState(mode).label),
+    ['NORMAL', 'CRT', 'NVG', 'FLIR', 'ANIME', 'NOIR'],
   );
-  assert.doesNotMatch(setVisionMode.toString(), /none: 'NONE'/);
   assert.doesNotMatch(ui, /getInheritedVisionLabel/);
   assert.match(html, /id="cockpit-vision-current-label"[^>]*>NORMAL<\/strong>/);
   assert.match(
@@ -230,7 +235,7 @@ test('Cockpit Escape handling precedes form-control shortcut suppression and foc
 test('Cockpit shortcut failures do not leak and open utilities own the first Escape', () => {
   const keydown = cockpitKeyDown.toString();
   assert.ok(keydown, 'Cockpit keyboard handler is missing');
-  assert.match(keydown, /#cockpit-utility-controls \[aria-expanded="true"\]/);
+  assert.match(keydown, /if \(this\.isUtilityDisclosureOpen\?\.\(\)\) return;/);
   assert.match(
     keydown,
     /const cockpitAttempt = !!\(\s*this\.readAircraftInfo\(\) && this\.viewer\.trackedEntity\?\.position\s*\);[\s\S]*?event\.preventDefault\(\);[\s\S]*?event\.stopImmediatePropagation\(\);[\s\S]*?!this\.isEntryAllowed\(\)/,
@@ -246,10 +251,10 @@ test('the Contact panel never hides itself out from under its own NEXT button',
   assert.match(body, /resolveCockpitContextReadout\(\{ snapshot, info \}\)/);
   assert.match(
     body,
-    /if \(!readout\.visible\) \{[\s\S]*?this\.context\.hidden = true;/,
+    /if \(!readout\.visible\) \{[\s\S]*?this\.showContextCard\(false\);/,
   );
   assert.equal(
-    (body.match(/this\.context\.hidden = true/g) || []).length,
+    (body.match(/this\.showContextCard\(false\)/g) || []).length,
     1,
     'the panel has exactly one hide path, and it is the no-snapshot standby case',
   );
@@ -264,7 +269,7 @@ test('the Contact panel never hides itself out from under its own NEXT button',
   // A culled subject holds last-known content behind the CONTACT LOST cue.
   assert.match(body, /readout\.contactLost/);
   assert.match(body, /CONTACT LOST/);
-  assert.match(body, /this\.context\.dataset\.state = 'lost'/);
+  assert.match(body, /view\.state = 'lost'/);
   assert.match(
     body,
     /if \(readout\.contactLost\) \{/,
@@ -272,14 +277,14 @@ test('the Contact panel never hides itself out from under its own NEXT button',
   );
   // PREVIOUS/NEXT must be written before any early return, so the operator can
   // always step off the current contact — including a lost one.
-  const navIndex = body.indexOf('this.contextNext.disabled');
+  const navIndex = body.indexOf('view.canNext =');
   const lostIndex = body.indexOf('if (readout.contactLost)');
   assert.ok(
     navIndex >= 0 && lostIndex > navIndex,
     'nav state must be written before the CONTACT LOST return',
   );
   assert.equal(
-    (body.match(/this\.contextNext\.disabled/g) || []).length,
+    (body.match(/view\.canNext =/g) || []).length,
     1,
     'one owner for the NEXT enabled state, reached by every visible path',
   );
@@ -471,14 +476,6 @@ test('Cockpit owns a focused shared Display portal and compact Radio controls',
     css,
     /\.cockpit-utility-control\.is-expanded \.cockpit-utility-divider\s*\{[\s\S]*?linear-gradient\(\s*90deg,\s*rgb\(0 212 255 \/ 28%\),\s*rgba\(0, 212, 255, 0\.18\) 58%,\s*transparent\s*\)[\s\S]*?box-shadow:\s*0 0 7px rgba\(0, 212, 255, 0\.22\);/,
   );
-  assert.match(
-    radioBindings,
-    /this\._cockpitDisplayToggleBtn\.textContent = displayOpen \? '▶' : '◀';/,
-  );
-  assert.match(
-    radioBindings,
-    /this\._cockpitRadioToggleBtn\.textContent = radioOpen \? '▶' : '◀';/,
-  );
   assert.match(
     css,
     /#cockpit-display-panel\s*\{[\s\S]*?display:\s*flex;[\s\S]*?gap:\s*7px;[\s\S]*?padding:\s*0;[\s\S]*?border-top:\s*0;/,
@@ -530,7 +527,7 @@ test('Cockpit owns a focused shared Display portal and compact Radio controls',
   );
   assert.match(
     syncSignalLayout.toString(),
-    /setAttribute\('aria-hidden', String\(hiddenSibling\)\)/,
+    /primaryOnly: utilityLayout\.primaryOnly,\s*hideCollapsed: utilityLayout\.primaryOnly,/,
   );
 });
 
@@ -546,9 +543,14 @@ test('Display orders 3D above Celestial, Clean UI below it, and Parameters below
     1,
     'Parameters must have one DOM owner',
   );
+  // The markup places Parameters below Detection; nothing re-homes it.
   assert.match(
+    html,
+    /id="detection-toggle"[\s\S]*?id="param-slider-panel"[\s\S]*?id="models3d-toggle"/,
+  );
+  assert.doesNotMatch(
     PanelLayoutController.prototype._initRightPanelAdaptiveLayout.toString(),
-    /const detectionGroup = this\._detectionBtn\?\.closest\('\.pp-toggle-group'\);[\s\S]*?detectionGroup\.after\(this\._sliderPanel\)/,
+    /_sliderPanel/,
   );
   assert.match(
     ui,
@@ -631,17 +633,22 @@ test('Cockpit side surfaces behave as two single-expanded accordions', () => {
   );
   assert.match(
     radioBindings,
-    /'gev:cockpit-context-expanded'[\s\S]*?setPanelCollapsed\('data-panel', true\);/,
+    /'gev:cockpit-context-expanded'[\s\S]*?setPanelCollapsed\('data-panel', true\);\s*this\.actions\.setPanelCollapsed\('utilities-panel', true\);/,
   );
   assert.match(
     ui,
-    /!nextCollapsed\s*&&\s*this\.cockpitView\?\.active\s*&&\s*panelId === 'data-panel'[\s\S]*?_cockpitContextCollapsedForDataPanel =\s*!this\.cockpitView\.contextCollapsed[\s\S]*?this\.cockpitView\.setContextCollapsed\(true\);/,
+    /!nextCollapsed\s*&&\s*this\.cockpitView\?\.active\s*&&\s*COCKPIT_LEFT_PANEL_IDS\.has\(panelId\)[\s\S]*?_cockpitContextCollapsedForDataPanel =\s*!this\.cockpitView\.contextCollapsed[\s\S]*?this\.cockpitView\.setContextCollapsed\(true\);/,
   );
   assert.match(
     ui,
-    /nextCollapsed\s*&&\s*this\.cockpitView\?\.active\s*&&\s*panelId === 'data-panel'[\s\S]*?_cockpitContextCollapsedForDataPanel[\s\S]*?this\.cockpitView\.setContextCollapsed\(false\);/,
+    /nextCollapsed\s*&&\s*this\.cockpitView\?\.active\s*&&\s*COCKPIT_LEFT_PANEL_IDS\.has\(panelId\)[\s\S]*?_cockpitContextCollapsedForDataPanel[\s\S]*?this\.cockpitView\.setContextCollapsed\(false\);/,
     'closing Data Layers must restore Contact only after an automatic collapse',
   );
+  assert.match(
+    ui,
+    /const COCKPIT_LEFT_PANEL_IDS = new Set\(\['data-panel', 'utilities-panel'\]\);/,
+    'Utilities folds Contact away in Cockpit as Data Layers does',
+  );
   assert.match(
     setContextCollapsed.toString(),
     /const wasCollapsed = this\.contextCollapsed;[\s\S]*?this\.active && wasCollapsed && !this\.contextCollapsed[\s\S]*?'gev:cockpit-context-expanded'/,
@@ -676,6 +683,7 @@ test('fresh Cockpit entry temporarily collapses map panels and exit restores the
   for (const panelId of [
     'data-panel',
     'cctv-panel',
+    'utilities-panel',
     'scene-panel',
     'pp-toggles',
     'global-context-panel',
@@ -699,7 +707,7 @@ test('fresh Cockpit entry temporarily collapses map panels and exit restores the
   );
   assert.match(
     callback[1],
-    /_cockpitPanelRestore\.set\(\s*panelId,\s*panel\.classList\.contains\('collapsed'\),?\s*\)/,
+    /_cockpitPanelRestore\.set\(\s*panelId,\s*this\._shownPanel\(panel\)\.collapsed,?\s*\)/,
     "entry must remember each panel's exact collapsed state before hiding it",
   );
   assert.match(
@@ -760,7 +768,7 @@ test('real disclosure changes reconsider only their own temporary panel lane', (
   );
   assert.match(
     collapse,
-    /classList\.contains\('collapsed'\) === nextCollapsed\s*&&\s*!wasAutoCollapsed[\s\S]*?return;/,
+    /this\._shownPanel\(panelEl\)\.collapsed === nextCollapsed\s*&&\s*!wasAutoCollapsed[\s\S]*?return;/,
   );
   assert.match(
     collapse,
@@ -798,35 +806,29 @@ test('Reset releases Contact camera ownership through its selection-preserving r
   assert.ok(resetStart >= 0);
   assert.ok(contextRelease > resetStart);
   assert.ok(satelliteRelease > contextRelease);
-  assert.match(
-    readShellElements.toString(),
-    /_cockpitResetGlobeBtn: document\.getElementById\('cockpit-reset-globe'\)/,
-  );
   const controls = fs.readFileSync(
     path.join(ROOT, 'src', 'ui', 'locationControls.js'),
     'utf8',
   );
-  assert.match(
-    ui,
-    /resetButtons: \[this\._resetGlobeBtn, this\._cockpitResetGlobeBtn\]/,
-  );
   assert.match(ui, /onReset: \(\) => this\.resetToGlobeView\(\)/);
-  assert.match(
-    controls,
-    /for \(const button of elements\.resetButtons\)[\s\S]*?this\.bind\(button, 'click', onReset\)/,
-    'both reset controls delegate to the same supplied reset action',
+  assert.match(ui, /this\._connectGlobeReset\?\.\(this\._locationControls\)/);
+  assert.match(controls, /reset\(\) \{\s*if \(!this\.destroyed\) return this\.onReset\(\);/);
+  // Both reset buttons ask the one reset owner.
+  const globeActions = fs.readFileSync(
+    path.join(ROOT, 'src', 'ui', 'views', 'panels', 'GlobeActions.vue'),
+    'utf8',
   );
+  assert.match(globeActions, /id="reset-globe-view"[^>]*@click="act\('reset'\)"/);
+  const cockpitView = readRadioSource(
+    new URL('./ui/views/CockpitView.vue', import.meta.url),
+    'utf8',
+  );
+  assert.match(cockpitView, /id="cockpit-reset-globe"[^>]*@click="globe\.act\('reset'\)"/);
   assert.match(
     cockpitEnter.toString(),
-    /if \(this\.resetGlobeButton\) this\.resetGlobeButton\.hidden = false;/,
-  );
-  assert.match(
-    readRadioSource(
-      new URL('./ui/cockpitTrackingController.js', import.meta.url),
-      'utf8',
-    ),
-    /if \(this\.resetGlobeButton\) this\.resetGlobeButton\.hidden = true;/,
+    /Object\.assign\(this\.presence, \{\s*active: true,/,
   );
+  assert.match(cockpitView, /id="cockpit-reset-globe"[^>]*:hidden="!active"/);
 });
 
 test('Location navigation releases immediate routes before flight and deferred routes after resolution', () => {
@@ -888,21 +890,24 @@ test('Cockpit Radio station changes preserve first-person camera ownership', ()
   );
   assert.ok(cycleHelper, 'shared Radio cycle helper is missing');
   assert.match(cycleHelper[1], /cycleStation\(direction, \{[\s\S]*?rotate,/);
+  assert.match(radioBindings, /\n    cycleRadio,\n/);
+  const panel = fs.readFileSync(
+    new URL('./ui/views/panels/RadioPanel.vue', import.meta.url),
+    'utf8',
+  );
+  const cockpit = fs.readFileSync(
+    new URL('./ui/views/panels/CockpitUtilityControls.vue', import.meta.url),
+    'utf8',
+  );
+  assert.match(panel, /id="radio-prev-btn" @click="act\('cycleRadio', -1\)"/);
+  assert.match(panel, /id="radio-next-btn" @click="act\('cycleRadio', 1\)"/);
   assert.match(
-    radioBindings,
-    /listen\(this\._radioPrevBtn, 'click', \(\) => cycleRadio\(-1\)\)/,
+    cockpit,
+    /id="cockpit-radio-prev-btn" @click="act\('cycleRadio', -1, \{ rotate: false \}\)"/,
   );
   assert.match(
-    radioBindings,
-    /listen\(this\._radioNextBtn, 'click', \(\) => cycleRadio\(1\)\)/,
-  );
-  assert.match(
-    radioBindings,
-    /listen\(this\._cockpitRadioPrevBtn, 'click', \(\) =>\s*cycleRadio\(-1, \{ rotate: false \}\),?\s*\)/,
-  );
-  assert.match(
-    radioBindings,
-    /listen\(this\._cockpitRadioNextBtn, 'click', \(\) =>\s*cycleRadio\(1, \{ rotate: false \}\),?\s*\)/,
+    cockpit,
+    /id="cockpit-radio-next-btn" @click="act\('cycleRadio', 1, \{ rotate: false \}\)"/,
   );
 });
 
@@ -940,7 +945,7 @@ test('Cockpit panel corridors reserve the owned topline readouts', () => {
   assert.ok(signalLayout, 'Cockpit signal layout method is missing');
   assert.match(
     signalLayout,
-    /setProperty\(\s*'--cockpit-utility-top',\s*`\$\{utilityAnchor\.top\.toFixed\(1\)\}px`,?\s*\)/,
+    /publishUtilityLayout\([\s\S]*?top: `\$\{utilityAnchor\.top\.toFixed\(1\)\}px`,/,
     'Cockpit owns the utility strip anchor and republishes it every layout tick',
   );
   assert.match(
@@ -976,7 +981,7 @@ test('Cockpit panel corridors reserve the owned topline readouts', () => {
   );
   assert.match(
     signalLayout,
-    /cockpit-utility-controls[\s\S]*?--cockpit-utility-max-height/,
+    /maxHeight: `\$\{availableHeight\.toFixed\(2\)\}px`,/,
   );
   assert.match(
     css,
@@ -1061,15 +1066,16 @@ test('Cockpit Display portals shared HUD, Detection, Parameters, and 3D controls
   assert.doesNotMatch(ui, /\['presets',/);
   assert.match(
     CockpitDisplayPortal.toString(),
-    /group\.before\(anchor\)[\s\S]*?window\.addEventListener\(\s*'gev:cockpit-mode-changed'/,
+    /window\.addEventListener\(\s*'gev:cockpit-mode-changed'/,
   );
+  // The portal publishes the slots; the Display panel teleports its groups.
   assert.match(
     CockpitDisplayPortal.prototype.setActive.toString(),
-    /record\.slot\.append\(record\.group\)[\s\S]*?record\.anchor\.after\(record\.group\)/,
+    /this\.publish\(nextActive \? this\.slots : null\)/,
   );
   assert.match(
     CockpitDisplayPortal.prototype.destroy.toString(),
-    /this\.stop\(\)[\s\S]*?record\.anchor\.after\(record\.group\)[\s\S]*?record\.anchor\.remove\(\)/,
+    /this\.stop\(\)[\s\S]*?this\.publish\(null\)/,
   );
   assert.doesNotMatch(
     ui,
@@ -1091,7 +1097,7 @@ test('Cockpit Display portals shared HUD, Detection, Parameters, and 3D controls
   );
   assert.match(
     ui,
-    /_revealCockpitStyleParameters\(\{ openDisplay = false \} = \{\}\) \{[\s\S]*?openDisplay[\s\S]*?_setCockpitDisclosure\?\.\('display', true\)[\s\S]*?aria-expanded'\) !== 'true'[\s\S]*?classList\.remove\('collapsed'\)/,
+    /_revealCockpitStyleParameters\(\{ openDisplay = false \} = \{\}\) \{[\s\S]*?openDisplay[\s\S]*?_setCockpitDisclosure\?\.\('display', true\)[\s\S]*?!this\._cockpitDisclosureOpen\?\.\('display'\)[\s\S]*?_presentPanel\(this\._sliderPanel, \{ collapsed: false \}\)/,
   );
   assert.match(
     radioBindings,
@@ -1176,7 +1182,7 @@ test('cockpit aircraft handoff invalidates the prior world-position anchor', ()
 
 test('cockpit weather control is off before JavaScript restores an explicit opt-in', () => {
   const match = html.match(
-    /<button\s+id="cockpit-weather-toggle"[\s\S]*?<\/button>/,
+    /<button[^>]*\sid="cockpit-weather-toggle"[\s\S]*?<\/button>/,
   );
   assert.ok(match, 'cockpit weather toggle markup is missing');
   assert.match(match[0], /aria-label="Enable cockpit weather effects"/);
@@ -1188,7 +1194,7 @@ test('cockpit summary presents the focused item as Contact', () => {
   const match = html.match(/<aside id="cockpit-context"[\s\S]*?<\/aside>/);
   assert.ok(match, 'cockpit Contact summary is missing');
   assert.match(match[0], /aria-label="Contact cockpit summary"/);
-  assert.match(match[0], /class="cockpit-context-kicker">CONTACT</);
+  assert.match(match[0], /class="cockpit-card-kicker cockpit-context-kicker">CONTACT</);
   assert.match(match[0], /aria-label="Contact navigation"/);
   assert.match(
     match[0],
@@ -1200,9 +1206,13 @@ test('cockpit summary presents the focused item as Contact', () => {
   );
   assert.match(match[0], /aria-label="Collapse Contact panel"/);
   assert.doesNotMatch(match[0], />GLOBAL CONTEXT</);
+  // The toggle renders the collapse the controller presents.
   assert.match(
-    setContextCollapsed.toString(),
-    /expanded \? t\('Collapse Contact panel'\) : t\('Expand Contact panel'\)/,
+    fs.readFileSync(
+      new URL('./ui/views/panels/CockpitContext.vue', import.meta.url),
+      'utf8',
+    ),
+    /collapsed \? t\('Expand Contact panel'\) : t\('Collapse Contact panel'\)/,
   );
 });
 
@@ -1258,7 +1268,7 @@ test('Global Context standby describes both chooser modes', () => {
 
 test('cockpit briefing cycle control keeps its state as the accessible name', () => {
   const match = html.match(
-    /<button\s+id="cockpit-brief-auto"[\s\S]*?<\/button>/,
+    /<button[^>]*\sid="cockpit-brief-auto"[\s\S]*?<\/button>/,
   );
   assert.ok(match, 'cockpit briefing cycle toggle is missing');
   assert.match(match[0], /aria-label="CYCLE OFF"/);
@@ -1269,15 +1279,22 @@ test('cockpit briefing cycle control keeps its state as the accessible name', ()
     /title="Cycle briefing pages automatically every 9 seconds \(Signals → News → Local\)\./,
   );
 
-  const update = setBriefAutoRotate.toString();
-  assert.ok(update, 'cockpit briefing cycle state updater is missing');
-  assert.match(
-    update,
-    /const label = this\.briefAutoRotateEnabled \? 'CYCLE ON' : 'CYCLE OFF';/,
-  );
-  assert.match(update, /setAttribute\('aria-label', label\)/);
-  assert.match(update, /\.title = help;/);
-  assert.doesNotMatch(update, /setAttribute\('aria-label', help\)/);
+  // The presented label is the state; the help is only the tooltip.
+  const views = [];
+  const owner = {
+    brief: createBriefState(),
+    publishBrief: (view) => views.push(view),
+    publishBriefView,
+    startBriefRotation() {},
+    stopBriefRotation() {},
+  };
+  setBriefAutoRotate.call(owner, true);
+  assert.equal(views.at(-1).autoLabel, 'CYCLE ON');
+  assert.equal(views.at(-1).autoRotate, true);
+  assert.match(views.at(-1).autoHelp, /^Stop automatic page cycling\./);
+  setBriefAutoRotate.call(owner, false);
+  assert.equal(views.at(-1).autoLabel, 'CYCLE OFF');
+  assert.match(views.at(-1).autoHelp, /^Cycle briefing pages automatically/);
 });
 
 test('voice Cockpit entry honours a requested contact layer before it enters', () => {
@@ -1368,3 +1385,27 @@ test('cockpit state cannot report entryAllowed while already active', () => {
   assert.match(state, /'contacts-inactive'/);
   assert.match(state, /'no-tracked-aircraft'/);
 });
+
+test('Contact folded for one Cockpit left panel comes back only once neither is open', async () => {
+  assert.match(
+    ui,
+    /if \(!this\._cockpitContextCollapsedForDataPanel\)\s*this\._cockpitContextCollapsedForDataPanel =\s*!this\.cockpitView\.contextCollapsed;/,
+    'opening the second left panel keeps the fold the first recorded',
+  );
+  const { PanelChrome } = await import('./ui/panelChrome.js');
+  const previous = globalThis.document;
+  const panels = {};
+  globalThis.document = { getElementById: (id) => panels[id] ?? null };
+  const panel = (...classes) => ({ classList: { contains: (name) => classes.includes(name) } });
+  try {
+    const otherOpen = (id) => PanelChrome.prototype._otherCockpitLeftPanelOpen(id);
+    panels['data-panel'] = panel('collapsed');
+    assert.equal(otherOpen('utilities-panel'), false, 'Data Layers closed: restore');
+    panels['data-panel'] = panel('collapsed', 'layout-auto-collapsed');
+    assert.equal(otherOpen('utilities-panel'), true, 'Data Layers comes back: keep Contact folded');
+    panels['data-panel'] = panel();
+    assert.equal(otherOpen('utilities-panel'), true, 'Data Layers open: keep it folded');
+  } finally {
+    globalThis.document = previous;
+  }
+});

src/cockpitMath.js

@@ -1,10 +1,10 @@
-export { resolveHudRailLayout } from './ui/panelRailGeometry.js';
+import {
+  normalizeHeading,
+  roundHeadingDegrees,
+} from './data/headingDegrees.js';
 
-/** Normalize a heading into the [0, 360) range. */
-export function normalizeHeading(value) {
-  if (!Number.isFinite(value)) return 0;
-  return ((value % 360) + 360) % 360;
-}
+export { resolveHudRailLayout } from './ui/panelRailGeometry.js';
+export { normalizeHeading };
 
 /**
  * Three-digit heading readout, 000–359.
@@ -12,7 +12,7 @@ export function normalizeHeading(value) {
  */
 export function formatHeadingReadout(degrees) {
   if (!Number.isFinite(degrees)) return '---';
-  return String(Math.round(normalizeHeading(degrees)) % 360).padStart(3, '0');
+  return String(roundHeadingDegrees(degrees)).padStart(3, '0');
 }
 
 /** Advance a displayed heading along the shortest arc without exceeding a slew rate. */

src/cockpitMath.test.mjs

@@ -161,6 +161,7 @@ test('a heading that rounds to north reads 000, not 360', () => {
   assert.equal(formatHeadingReadout(359.4), '359');
   assert.equal(formatHeadingReadout(0), '000');
   assert.equal(formatHeadingReadout(10.2), '010');
+  assert.equal(formatHeadingReadout(-0.6), '359');
   assert.equal(formatHeadingReadout(Number.NaN), '---');
 });
 

src/cockpitSignalFocus.test.mjs

@@ -1,187 +1,119 @@
+// src/cockpitSignalFocus.test.mjs — the Cockpit signal rows keep keyboard
+// focus while they refresh and reorder, over happy-dom with the real view.
+import './testSupport/registerDom.mjs';
 import test from 'node:test';
 import assert from 'node:assert/strict';
-import { afterEach } from 'node:test';
+import { createPinia } from 'pinia';
+import { createApp, nextTick } from 'vue';
 import { formatAwarenessLabel } from './data/militaryAwarenessEngine.js';
-import { CockpitViewController } from './ui/cockpitController.js';
-const previousDocument = globalThis.document;
-afterEach(() => {
-  globalThis.document = previousDocument;
-});
+import { createBriefState } from './ui/cockpitBriefPages.js';
+import {
+  handleSignalClick,
+  publishCockpitSignals,
+  pushCockpitSignal,
+  updateCockpitSignals,
+} from './ui/cockpitSignals.js';
+import { useCockpitStore } from './ui/stores/cockpit.js';
+import CockpitBriefing from './ui/views/panels/CockpitBriefing.vue';
 
-// Model native focus loss on removal AND on ordinary DOM moves. Keeping an
-// object reference alone is insufficient if reconciliation disconnects it.
-function fixture() {
-  const document = { activeElement: null };
-  let focusLosses = 0;
-  let focusCalls = 0;
-  class Node {
-    constructor(tagName) {
-      this.tagName = tagName.toUpperCase();
-      this.children = [];
-      this.parentNode = null;
-      this.dataset = {};
-      this.attributes = new Map();
-      this.className = '';
-      this._text = '';
-      this.classList = {
-        add: (...names) => {
-          this.className = [
-            ...new Set([
-              ...this.className.split(/\s+/).filter(Boolean),
-              ...names,
-            ]),
-          ].join(' ');
-        },
-      };
+/**
+ * A browser blurs an element it removes or moves. happy-dom only models the
+ * removal, so count both: any insert or removal of a node that holds focus
+ * is a loss, and a moved node gives its focus up as a browser's would.
+ */
+function trackFocus(t) {
+  const counts = { losses: 0, focusCalls: 0 };
+  const holdsFocus = (node) =>
+    node.isConnected && node.contains(document.activeElement);
+  const insertBefore = Node.prototype.insertBefore;
+  t.mock.method(Node.prototype, 'insertBefore', function (node, anchor) {
+    const lost = holdsFocus(node);
+    const result = insertBefore.call(this, node, anchor);
+    if (lost) {
+      counts.losses += 1;
+      document.activeElement.blur();
     }
-    get isConnected() {
-      return this === document.body || Boolean(this.parentNode?.isConnected);
-    }
-    get firstElementChild() {
-      return this.children[0] || null;
-    }
-    get nextElementSibling() {
-      return (
-        this.parentNode?.children[this.parentNode.children.indexOf(this) + 1] ||
-        null
-      );
-    }
-    get textContent() {
-      return (
-        this._text + this.children.map((node) => node.textContent).join('')
-      );
-    }
-    set textContent(value) {
-      this.replaceChildren();
-      this._text = String(value);
-    }
-    setAttribute(name, value) {
-      this.attributes.set(name, String(value));
-    }
-    getAttribute(name) {
-      return this.attributes.get(name) ?? null;
-    }
-    contains(node) {
-      return (
-        this === node || this.children.some((child) => child.contains(node))
-      );
-    }
-    append(...nodes) {
-      for (const node of nodes) this.insertBefore(node, null);
-    }
-    insertBefore(node, anchor) {
-      assert.ok(
-        anchor === null || anchor.parentNode === this,
-        'insert anchor belongs to its parent',
-      );
-      if (node === anchor) return node;
-      node.remove();
-      const index =
-        anchor === null ? this.children.length : this.children.indexOf(anchor);
-      this.children.splice(index, 0, node);
-      node.parentNode = this;
-      return node;
-    }
-    remove() {
-      if (!this.parentNode) return;
-      if (this.contains(document.activeElement)) {
-        document.activeElement = document.body;
-        focusLosses += 1;
-      }
-      this.parentNode.children.splice(
-        this.parentNode.children.indexOf(this),
-        1,
-      );
-      this.parentNode = null;
-    }
-    replaceChildren(...nodes) {
-      for (const child of [...this.children]) child.remove();
-      this._text = '';
-      this.append(...nodes);
-    }
-    matches(selector) {
-      if (selector === 'button[data-signal-layer][data-signal-id]') {
-        return (
-          this.tagName === 'BUTTON' &&
-          this.dataset.signalLayer != null &&
-          this.dataset.signalId != null
-        );
-      }
-      return selector.startsWith('.')
-        ? this.className.split(/\s+/).includes(selector.slice(1))
-        : this.tagName === selector.toUpperCase();
-    }
-    closest(selector) {
-      for (let node = this; node; node = node.parentNode)
-        if (node.matches(selector)) return node;
-      return null;
-    }
-    querySelectorAll(selector) {
-      return this.children.flatMap((child) => [
-        ...(child.matches(selector) ? [child] : []),
-        ...child.querySelectorAll(selector),
-      ]);
-    }
-    focus() {
-      assert.ok(
-        this.isConnected,
-        'a focus destination must still be connected',
-      );
-      focusCalls += 1;
-      document.activeElement = this;
-    }
-  }
-  document.body = new Node('body');
-  document.createElement = (tag) => new Node(tag);
-  document.activeElement = document.body;
-  globalThis.document = document;
-  const controller = Object.create(CockpitViewController.prototype);
-  controller.services = { formatAwarenessLabel };
-  controller.signalList = new Node('ol');
-  controller.signalToggle = new Node('button');
-  controller.briefTabs = [
-    new Node('button'),
-    new Node('button'),
-    new Node('button'),
-  ];
-  controller.briefPageIndex = 0;
-  controller.signalItems = [];
-  controller.signalSignatures = new Map();
-  controller.scheduleContextLayout = () => {};
-  const display = new Node('button');
-  const radio = new Node('button');
-  const outside = new Node('button');
-  document.body.append(
-    controller.signalToggle,
-    controller.signalList,
-    ...controller.briefTabs,
-    display,
-    radio,
-    outside,
-  );
+    return result;
+  });
+  const removeChild = Node.prototype.removeChild;
+  t.mock.method(Node.prototype, 'removeChild', function (node) {
+    if (holdsFocus(node)) counts.losses += 1;
+    return removeChild.call(this, node);
+  });
+  const focus = HTMLElement.prototype.focus;
+  t.mock.method(HTMLElement.prototype, 'focus', function (...args) {
+    assert.ok(this.isConnected, 'a focus destination must still be connected');
+    counts.focusCalls += 1;
+    return focus.apply(this, args);
+  });
+  return counts;
+}
+
+function fixture(t) {
+  document.body.replaceChildren();
+  const host = document.body.appendChild(document.createElement('div'));
+  const pinia = createPinia();
+  const app = createApp(CockpitBriefing).use(pinia);
+  app.mount(host);
+  const store = useCockpitStore(pinia);
+  const button = () => {
+    const element = document.createElement('button');
+    element.type = 'button';
+    return document.body.appendChild(element);
+  };
+  const display = button();
+  const radio = button();
+  const outside = button();
+  const counts = trackFocus(t);
+  t.after(() => app.unmount());
   const selected = [];
-  controller.services.militaryAwarenessLayer = {
-    focusTarget: (...args) => selected.push(args),
+  // The signal presenters need only this much of the controller.
+  const owner = {
+    destroyed: false,
+    brief: createBriefState(),
+    signalItems: [],
+    signalSignatures: new Map(),
+    publishSignals: (rows) => store.publishSignals(rows),
+    publishCockpitSignals,
+    scheduleContextLayout() {},
+    services: {
+      formatAwarenessLabel,
+      militaryAwarenessLayer: {
+        focusTarget: (...args) => selected.push(args),
+      },
+    },
   };
-  const click = (event) => controller.handleSignalClick(event);
-  const buttons = () => controller.signalList.querySelectorAll('button');
+  // The controller shows the card on entering Cockpit.
+  document.getElementById('cockpit-signal-stream').hidden = false;
+  const list = document.getElementById('cockpit-signal-list');
+  list.addEventListener('click', (event) =>
+    handleSignalClick.call(owner, event),
+  );
+  const buttons = () => [...list.querySelectorAll('button')];
+  // Tab visits the enabled buttons no hidden ancestor removes from view.
   const tab = () => {
-    const nodes = document.body.querySelectorAll('button');
-    const index = nodes.indexOf(document.activeElement);
-    nodes[(index + 1) % nodes.length].focus();
+    const nodes = [...document.querySelectorAll('button')].filter(
+      (node) => !node.disabled && !node.closest('[hidden]'),
+    );
+    nodes[(nodes.indexOf(document.activeElement) + 1) % nodes.length].focus();
   };
+  const pageTab = (index) =>
+    document.querySelector(`[data-cockpit-brief-index="${index}"]`);
+  const signalTab = () => pageTab(0);
   return {
-    controller,
-    document,
+    owner,
+    list,
     buttons,
     display,
     radio,
     outside,
     selected,
-    click,
     tab,
-    losses: () => focusLosses,
-    focusCalls: () => focusCalls,
+    pageTab,
+    signalTab,
+    store,
+    losses: () => counts.losses,
+    focusCalls: () => counts.focusCalls,
   };
 }
 
@@ -194,9 +126,14 @@ const item = (id, overrides = {}) => ({
   timestamp: 1_700_000_000_000,
   ...overrides,
 });
-const render = (f, items) => {
-  f.controller.signalItems = items;
-  f.controller.renderCockpitSignals();
+const render = async (f, items) => {
+  f.owner.signalItems = items;
+  publishCockpitSignals.call(f.owner);
+  await nextTick();
+};
+const refresh = async (f, distanceM) => {
+  updateCockpitSignals.call(f.owner, snapshot(distanceM), 0);
+  await nextTick();
 };
 const snapshot = (distanceM = 2000) => ({
   evaluatedAt: 1_700_000_000_000,
@@ -210,31 +147,61 @@ const snapshot = (distanceM = 2000) => ({
   ],
 });
 
-test('actual Context refresh retains the focused signal button across unchanged and changed details', () => {
-  const f = fixture();
-  f.controller.updateCockpitSignals(snapshot(), 0);
+test('rows render the signals the controller presents', async (t) => {
+  const f = fixture(t);
+  await render(f, [
+    item('a'),
+    item('status', { tone: 'warning', target: null, title: 'UNKNOWN' }),
+  ]);
+  const [action, status] = f.list.children;
+  assert.equal(action.className, 'nearby actionable');
+  assert.equal(action.querySelector('time').textContent, '22:13:20Z');
+  const button = action.querySelector('button.cockpit-signal-target');
+  assert.equal(button.type, 'button');
+  assert.equal(button.dataset.signalLayer, 'flights');
+  assert.equal(button.dataset.signalId, 'a');
+  assert.equal(button.getAttribute('aria-label'), 'Select flight Flight a');
+  assert.equal(
+    button.querySelector('.cockpit-signal-target-label').textContent,
+    'Flight a',
+  );
+  assert.equal(
+    button.querySelector('.cockpit-signal-target-chevron').textContent,
+    'chevron_right',
+  );
+  assert.equal(
+    action.querySelector('div > span').textContent,
+    'COMMERCIAL FLIGHT · 2 KM',
+  );
+  assert.equal(status.className, 'warning');
+  assert.equal(status.querySelector('div > strong').textContent, 'UNKNOWN');
+  assert.equal(status.querySelector('button'), null);
+});
+
+test('actual Context refresh retains the focused signal button across unchanged and changed details', async (t) => {
+  const f = fixture(t);
+  await refresh(f);
   const target = f.buttons()[1];
   target.focus();
   const calls = f.focusCalls();
-  for (let tick = 0; tick < 8; tick += 1)
-    f.controller.updateCockpitSignals(snapshot(2500), 0);
-  assert.equal(f.buttons()[1], target);
-  assert.equal(f.document.activeElement, target);
+  for (let tick = 0; tick < 8; tick += 1) await refresh(f, 2500);
+  assert.equal(f.buttons()[1] === target, true);
+  assert.equal(document.activeElement === target, true);
   assert.equal(f.losses(), 0);
   assert.equal(
     f.focusCalls(),
     calls,
     'refresh must preserve focus without repeatedly restoring it',
   );
-  assert.match(f.controller.signalList.textContent, /2\.5\u00a0KM/);
+  assert.match(f.list.textContent, /2\.5\u00a0KM/);
 });
 
-test('signal content and accessible name update without replacing the active target', () => {
-  const f = fixture();
-  render(f, [item('a')]);
+test('signal content and accessible name update without replacing the active target', async (t) => {
+  const f = fixture(t);
+  await render(f, [item('a')]);
   const target = f.buttons()[0];
   target.focus();
-  render(f, [
+  await render(f, [
     item('a', {
       title: 'RENAMED',
       tone: 'track',
@@ -242,21 +209,18 @@ test('signal content and accessible name update without replacing the active tar
       timestamp: 1_700_000_001_000,
     }),
   ]);
-  assert.equal(f.buttons()[0], target);
+  assert.equal(f.buttons()[0] === target, true);
   assert.equal(target.getAttribute('aria-label'), 'Select flight RENAMED');
   assert.match(target.textContent, /RENAMED/);
-  assert.match(f.controller.signalList.textContent, /CURRENT/);
-  assert.equal(
-    f.controller.signalList.children[0].className,
-    'track actionable',
-  );
-  assert.equal(f.document.activeElement, target);
+  assert.match(f.list.textContent, /CURRENT/);
+  assert.equal(f.list.children[0].className, 'track actionable');
+  assert.equal(document.activeElement === target, true);
   assert.equal(f.losses(), 0);
 });
 
-test('signal ranking changes move surrounding rows without disconnecting the focused row', () => {
-  const f = fixture();
-  render(
+test('signal ranking changes move surrounding rows without disconnecting the focused row', async (t) => {
+  const f = fixture(t);
+  await render(
     f,
     ['a', 'b', 'c', 'd'].map((id) => item(id)),
   );
@@ -267,8 +231,10 @@ test('signal ranking changes move surrounding rows without disconnecting the foc
     ['d', 'c', 'b', 'a'],
     ['b', 'c', 'd', 'a'],
     ['a', 'd', 'c', 'b'],
+    ['c', 'a', 'b', 'd'],
+    ['b', 'a', 'd', 'c'],
   ]) {
-    render(
+    await render(
       f,
       order.map((id) => item(id)),
     );
@@ -276,97 +242,152 @@ test('signal ranking changes move surrounding rows without disconnecting the foc
       f.buttons().map((button) => button.dataset.signalId),
       order,
     );
-    assert.equal(f.document.activeElement, target);
+    assert.equal(document.activeElement === target, true);
     assert.equal(f.losses(), 0);
   }
   assert.equal(f.focusCalls(), calls);
 });
 
-test('a new pushed signal preserves existing focus and delegated selection reads the current target', () => {
-  const f = fixture();
-  render(f, [item('a'), item('b')]);
+test('a new pushed signal preserves existing focus and delegated selection reads the current target', async (t) => {
+  const f = fixture(t);
+  await render(f, [item('a'), item('b')]);
   const target = f.buttons()[1];
   target.focus();
-  f.controller.pushCockpitSignal(
+  pushCockpitSignal.call(
+    f.owner,
     'status',
     'warning',
     'INPUT UNKNOWN',
     'SOURCE UNAVAILABLE',
   );
-  assert.equal(f.document.activeElement, target);
+  await nextTick();
+  assert.equal(f.list.children.length, 3);
+  assert.equal(document.activeElement === target, true);
   assert.equal(f.losses(), 0);
-  const event = {
-    target: target.children[0],
-    prevented: false,
-    preventDefault() {
-      this.prevented = true;
-    },
-  };
-  f.click(event);
-  assert.equal(event.prevented, true);
+  const click = new MouseEvent('click', { bubbles: true, cancelable: true });
+  target.querySelector('.cockpit-signal-target-label').dispatchEvent(click);
+  assert.equal(click.defaultPrevented, true);
   assert.deepEqual(f.selected, [['flights', 'b', { origin: 'user' }]]);
 });
 
-test('removing the focused identity uses the existing briefing tab once and permits forward traversal', () => {
-  const f = fixture();
-  render(f, [item('a'), item('b')]);
+test('removing the focused identity uses the shown briefing tab once and permits forward traversal', async (t) => {
+  const f = fixture(t);
+  await render(f, [item('a'), item('b')]);
   const removed = f.buttons()[1];
   removed.focus();
   const calls = f.focusCalls();
-  render(f, [item('a')]);
+  await render(f, [item('a')]);
   assert.equal(removed.isConnected, false);
-  assert.equal(f.document.activeElement, f.controller.briefTabs[0]);
+  assert.equal(document.activeElement === f.signalTab(), true);
   assert.equal(f.focusCalls(), calls + 1);
+  assert.equal(f.losses(), 0);
+  assert.equal(f.signalTab().closest('[hidden]'), null);
+  // Traversal carries on forward from the footer tab.
   f.tab();
-  f.tab();
-  f.tab();
-  assert.equal(f.document.activeElement, f.display);
-  render(f, [item('a', { detail: 'UPDATED' })]);
+  assert.equal(document.activeElement === f.pageTab(1), true);
+  while (document.activeElement !== f.display) f.tab();
+  await render(f, [item('a', { detail: 'UPDATED' })]);
   assert.equal(
-    f.document.activeElement,
-    f.display,
+    document.activeElement === f.display,
+    true,
     'later refresh must not pull focus back',
   );
   f.tab();
-  assert.equal(f.document.activeElement, f.radio);
+  assert.equal(document.activeElement === f.radio, true);
 });
 
-test('a changed target cannot reuse a focused action for another flight', () => {
-  const f = fixture();
-  render(f, [item('a', { key: 'shared-status-key' })]);
+test('a changed target cannot reuse a focused action for another flight', async (t) => {
+  const f = fixture(t);
+  await render(f, [item('a', { key: 'shared-status-key' })]);
   const removed = f.buttons()[0];
   removed.focus();
-  render(f, [
+  await render(f, [
     item('b', {
       key: 'shared-status-key',
       target: { layerId: 'military', id: 'b' },
     }),
   ]);
   const target = f.buttons()[0];
-  assert.notEqual(target, removed);
+  assert.equal(target === removed, false);
   assert.equal(removed.isConnected, false);
-  assert.equal(f.document.activeElement, f.controller.briefTabs[0]);
-  f.click({ target, preventDefault() {} });
+  assert.equal(document.activeElement === f.signalTab(), true);
+  target.click();
   assert.deepEqual(f.selected, [['military', 'b', { origin: 'user' }]]);
 });
 
-test('empty, informational and duplicate-key rows have no stale or aliased actions', () => {
-  const f = fixture();
-  render(f, [item('a'), item('a')]);
+test('empty, informational and duplicate-key rows have no stale or aliased actions', async (t) => {
+  const f = fixture(t);
+  await render(f, [item('a'), item('a')]);
   const [first, second] = f.buttons();
-  assert.notEqual(first, second);
+  assert.equal(first === second, false);
   second.focus();
-  render(f, [item('a'), item('a')]);
-  assert.deepEqual(f.buttons(), [first, second]);
-  assert.equal(f.document.activeElement, second);
-  render(f, [item('status', { target: null, title: 'UNKNOWN' })]);
+  await render(f, [item('a'), item('a')]);
+  const again = f.buttons();
+  assert.equal(again[0] === first && again[1] === second, true);
+  assert.equal(document.activeElement === second, true);
+  await render(f, [item('status', { target: null, title: 'UNKNOWN' })]);
   assert.equal(f.buttons().length, 0);
-  assert.match(f.controller.signalList.textContent, /UNKNOWN/);
-  assert.equal(f.document.activeElement, f.controller.briefTabs[0]);
+  assert.match(f.list.textContent, /UNKNOWN/);
+  assert.equal(document.activeElement === f.signalTab(), true);
   f.outside.focus();
-  render(f, []);
-  assert.equal(f.controller.signalList.children.length, 0);
-  render(f, [item('a')]);
-  assert.notEqual(f.buttons()[0], first);
-  assert.equal(f.document.activeElement, f.outside);
+  await render(f, []);
+  assert.equal(f.list.children.length, 0);
+  await render(f, [item('a')]);
+  assert.equal(f.buttons()[0] === first, false);
+  assert.equal(document.activeElement === f.outside, true);
+  assert.equal(f.losses(), 0);
+});
+
+test('any reordering of five rows keeps focus wherever it sits', async (t) => {
+  const f = fixture(t);
+  const ids = ['a', 'b', 'c', 'd', 'e'];
+  // A fixed pseudo-random sequence, so a failure reproduces.
+  let seed = 7;
+  const random = () => {
+    seed = (seed * 48271) % 2147483647;
+    return seed / 2147483647;
+  };
+  const shuffle = (list) => {
+    const next = [...list];
+    for (let index = next.length - 1; index > 0; index -= 1) {
+      const swap = Math.floor(random() * (index + 1));
+      [next[index], next[swap]] = [next[swap], next[index]];
+    }
+    return next;
+  };
+  await render(
+    f,
+    ids.map((id) => item(id)),
+  );
+  for (let round = 0; round < 60; round += 1) {
+    const target = f.buttons()[round % ids.length];
+    target.focus();
+    const order = shuffle(ids);
+    await render(
+      f,
+      order.map((id) => item(id)),
+    );
+    assert.deepEqual(
+      f.buttons().map((button) => button.dataset.signalId),
+      order,
+    );
+    assert.equal(document.activeElement === target, true);
+  }
+  assert.equal(f.losses(), 0);
+});
+
+test('the fallback follows the shown page, and the collapse toggle without tabs', async (t) => {
+  const f = fixture(t);
+  f.store.publishBrief({ ...createBriefState(), pageIndex: 2 });
+  await render(f, [item('a'), item('b')]);
+  f.buttons()[1].focus();
+  await render(f, [item('a')]);
+  assert.equal(document.activeElement === f.pageTab(2), true);
+  for (const index of [0, 1, 2]) f.pageTab(index).remove();
+  f.buttons()[0].focus();
+  await render(f, []);
+  assert.equal(
+    document.activeElement === document.getElementById('cockpit-signal-toggle'),
+    true,
+  );
 });

src/codexOauthRealtime.test.mjs

@@ -243,6 +243,8 @@ test('Codex login hides spawn errors and can cancel only its owned child', async
   const child = new EventEmitter();
   await assert.rejects(
     startCodexChatGptLogin({
+      environment: {},
+      home: '/home/fixture',
       executable: 'codex',
       spawnImpl() {
         queueMicrotask(() =>
@@ -264,6 +266,8 @@ test('Codex login hides spawn errors and can cancel only its owned child', async
     running.emit('exit', null);
   };
   const login = await startCodexChatGptLogin({
+    environment: {},
+    home: '/home/fixture',
     executable: 'codex',
     spawnImpl() {
       queueMicrotask(() => running.emit('spawn'));

src/contextSessionOrdering.test.mjs

@@ -168,7 +168,7 @@ test('every user-facing Context exit route settles through the failure surface',
 test('the Radio chip catches lifecycle rejection and semantic false through the toast wrapper', () => {
   const radioControls = radioBindings.slice(
     radioBindings.indexOf('const toggleRadio = async (trigger) => {'),
-    radioBindings.indexOf("this.listen(this._radioFilter, 'change'"),
+    radioBindings.indexOf('this._storeToken = this.store?.connect?.('),
   );
   assert.match(radioControls, /await this\.actions\.runUserAction\(/);
   assert.match(radioControls, /Radio could not \$\{enabling \? 'start' : 'stop'\} cleanly/);
@@ -178,7 +178,7 @@ test('the Radio chip catches lifecycle rejection and semantic false through the
 test('only the expanded Radio Enable gesture requests the contained post-enable reveal', () => {
   const radioControls = radioBindings.slice(
     radioBindings.indexOf('const toggleRadio = async (trigger) => {'),
-    radioBindings.indexOf("this.listen(this._radioFilter, 'change'"),
+    radioBindings.indexOf('this._storeToken = this.store?.connect?.('),
   );
   assert.match(radioControls, /revealAfterEnable = enabling && trigger === this\._radioEnableBtn/);
   assert.match(radioControls, /if \(revealAfterEnable\)\s*await this\._revealRadioControlsAfterExplicitEnable\(trigger\)/);

src/contextTabKeyboard.test.mjs

@@ -1,17 +1,16 @@
-import { expandApplicationHtml } from '../build/application-html.js';
+import { renderApplicationHtml } from './testSupport/applicationHtml.mjs';
 import { readStylesheet } from './testSupport/readStylesheet.mjs';
 import { _selectContextMode } from './ui/contextTransactions.js';
-import { _syncContextModeButtons } from './ui/contextPresentation.js';
 import { _initGlobalContextPanel } from './ui/contextBindings.js';
 import { clearSelectedLayers } from './ui/contextActions.js';
 import { readFileSync as readRadioSource } from 'node:fs';
 const radioBindings = readRadioSource(new URL('./ui/radioBindings.js', import.meta.url), 'utf8');
-const radioPresentation = readRadioSource(new URL('./ui/radioPresentation.js', import.meta.url), 'utf8');
+const contextView = readRadioSource(new URL('./ui/views/ContextView.vue', import.meta.url), 'utf8');
 import { readFileSync } from 'node:fs';
 import { test } from 'node:test';
 import assert from 'node:assert/strict';
 
-const html = expandApplicationHtml(readFileSync(new URL('../index.html', import.meta.url), 'utf8'));
+const html = await renderApplicationHtml(readFileSync(new URL('../index.html', import.meta.url), 'utf8'));
 const css = readStylesheet(new URL('../style.css', import.meta.url));
 
 test('Contacts and Space Missions both participate in the ordinary Tab sequence', () => {
@@ -22,75 +21,12 @@ test('Contacts and Space Missions both participate in the ordinary Tab sequence'
     assert.match(button[0], /tabindex="0"/);
   }
 
-  const syncSource = _syncContextModeButtons.toString();
-  assert.match(syncSource, /\[\s*this\._globalContextFlightsBtn,\s*this\._globalContextMissionsBtn,?\s*\]/);
-  assert.match(syncSource, /button\.tabIndex = 0/);
-  assert.doesNotMatch(syncSource, /tabIndex\s*=\s*[^;]*\?\s*-1/);
-});
-
-test('Context transition state preserves focus and Tab availability until settle', () => {
-  const attributes = () => new Map();
-  const makeButton = () => {
-    const attrs = attributes();
-    let disabled = false;
-    const button = {
-      attrs,
-      tabIndex: -1,
-      classList: { toggle() {} },
-      setAttribute(name, value) { attrs.set(name, String(value)); },
-      get disabled() { return disabled; },
-      set disabled(value) {
-        disabled = Boolean(value);
-        // Model the browser behavior that exposed this regression: native
-        // disabled drops focus immediately.
-        if (disabled && globalThis.document?.activeElement === button) {
-          globalThis.document.activeElement = null;
-        }
-      },
-    };
-    return button;
-  };
-  const contacts = makeButton();
-  const missions = makeButton();
-  const panel = { classList: { toggle() {} }, setAttribute() {} };
-  const priorDocument = globalThis.document;
-  globalThis.document = { activeElement: missions, getElementById: () => panel };
-  const owner = {
-    _globalContextPanel: panel,
-    actions: { syncDetection() {}, scheduleLayout() {} },
-    _contextMode: null,
-    _contextModeChanging: true,
-    _globalContextFlightsBtn: contacts,
-    _globalContextMissionsBtn: missions,
-    _contextModeStandby: {},
-    _contextFlightsView: {},
-    _contextMissionsView: {},
-    cockpitView: { syncEntry() {} },
-    _syncContactsDetection() {},
-    _scheduleRightPanelLayout() {},
-  };
-  try {
-    _syncContextModeButtons.call(owner);
-    assert.equal(globalThis.document.activeElement, missions, 'busy sync retains focused Space Missions');
-    for (const button of [contacts, missions]) {
-      assert.equal(button.disabled, false);
-      assert.equal(button.tabIndex, 0);
-      assert.equal(button.attrs.get('aria-disabled'), 'true');
-      assert.equal(button.attrs.get('aria-busy'), 'true');
-    }
-
-    owner._contextModeChanging = false;
-    owner._contextMode = 'space-missions';
-    _syncContextModeButtons.call(owner);
-    assert.equal(globalThis.document.activeElement, missions, 'settled sync retains focused Space Missions');
-    for (const button of [contacts, missions]) {
-      assert.equal(button.disabled, false);
-      assert.equal(button.tabIndex, 0);
-      assert.equal(button.attrs.get('aria-disabled'), 'false');
-      assert.equal(button.attrs.get('aria-busy'), 'false');
-    }
-  } finally {
-    globalThis.document = priorDocument;
+  // The view keeps both tabs' tabindex static and never disables them; the
+  // transition itself is covered over happy-dom in ui/contextPanel.test.mjs.
+  for (const id of ['global-context-flights-btn', 'global-context-missions-btn']) {
+    const tag = contextView.match(new RegExp(`<button id="${id}"[^>]*>`))?.[0];
+    assert.ok(tag, `${id} is missing from the view`);
+    assert.doesNotMatch(tag, /:tabindex|:disabled|\sdisabled/);
   }
 });
 
@@ -129,30 +65,45 @@ test('Context tabs draw a visible keyboard-focus outline including active tabs',
 
 test('Context async action buttons remain focused while busy', () => {
   const init = _initGlobalContextPanel.toString();
-  const radio = radioBindings.slice(radioBindings.indexOf('const toggleRadio = async (trigger) => {'), radioBindings.indexOf('this.listen(this._cockpitRadioToggleBtn,'));
-  const radioSync = radioPresentation.slice(0, radioPresentation.indexOf('if (this._radioFilter)'));
+  const radio = radioBindings.slice(radioBindings.indexOf('const toggleRadio = async (trigger) => {'), radioBindings.indexOf('this._storeToken = this.store?.connect?.('));
+  const radioPanel = readFileSync(new URL('./ui/views/panels/RadioPanel.vue', import.meta.url), 'utf8');
   const clear = clearSelectedLayers.toString();
 
-  assert.match(init, /button\.getAttribute\('aria-busy'\) === 'true'/);
-  assert.doesNotMatch(init, /button\.disabled\s*=\s*true/);
+  assert.match(init, /if \(this\._installationsSearchBusy\) return;/);
+  assert.doesNotMatch(init, /\.disabled\s*=\s*true/);
+  const search = contextView.match(/<button id="installations-search-btn"[^>]*>/)?.[0];
+  assert.ok(search, 'nearby sites search is missing');
+  assert.doesNotMatch(search, /:disabled|\sdisabled/);
+  assert.match(search, /:aria-busy=/);
   assert.match(radio, /trigger\.getAttribute\('aria-busy'\) === 'true'/);
   assert.doesNotMatch(radio, /trigger\.disabled\s*=\s*true/);
-  for (const name of ['_radioEnableBtn', '_cockpitRadioEnableBtn']) {
-    assert.match(radioSync, new RegExp(`${name}\\.disabled = false`));
-  }
-  assert.doesNotMatch(clear, /_clearSelectedLayersBtn\.disabled\s*=\s*true/);
+  const cockpitRadio = readFileSync(new URL('./ui/views/panels/CockpitUtilityControls.vue', import.meta.url), 'utf8');
+  const cockpitEnable = cockpitRadio.match(/<UiButton id="cockpit-radio-enable-btn"[^>]*>/)?.[0];
+  assert.ok(cockpitEnable, 'Cockpit Radio Enable button is missing');
+  assert.doesNotMatch(cockpitEnable, /disabled(?!=")|:disabled/);
+  assert.match(cockpitEnable, /:aria-busy=/);
+  // The Radio view never disables its Enable button; it marks it busy.
+  const enable = radioPanel.match(/<UiButton id="radio-enable-btn"[^>]*>/)?.[0];
+  assert.ok(enable, 'Radio Enable button is missing');
+  assert.doesNotMatch(enable, /disabled(?!=")|:disabled/);
+  assert.match(enable, /:aria-busy=/);
   assert.match(clear, /this\.setClearBusy\(true\)/);
-  const control = readFileSync(new URL('./ui/clearLayersControl.js', import.meta.url), 'utf8');
-  assert.match(control, /button\.setAttribute\('aria-busy', String\(busy\)\)/);
-  assert.doesNotMatch(control, /button\.disabled\s*=/);
+  // The globe actions view marks the clear button busy, never disabled.
+  const globeActions = readFileSync(new URL('./ui/views/panels/GlobeActions.vue', import.meta.url), 'utf8');
+  const clearButton = globeActions.match(/<button id="clear-selected-layers"[^>]*>/)?.[0];
+  assert.ok(clearButton, 'Clear selected layers button is missing');
+  assert.doesNotMatch(clearButton, /disabled(?!=")|:disabled=/);
+  assert.match(clearButton, /:aria-busy=/);
 });
 
 test('Context header holds only its title and collapse control', () => {
-  const panel = html.match(/<div id="global-context-panel"[\s\S]*?<div class="cyber-panel-body"/);
+  const panel = html.match(/<div id="global-context-panel"[\s\S]*?<div class="cyber-panel-body[ "]/);
   assert.ok(panel, 'Global Context panel is missing');
-  const header = panel[0].match(/<div class="panel-header">([\s\S]*?)<\/div>\s*<div class="cyber-panel-body"/);
+  const header = panel[0].match(/<div class="ui-panel__head panel-header">([\s\S]*?)<\/div>\s*<div class="cyber-panel-body[ "]/);
   assert.ok(header, 'Global Context header is missing');
-  const tags = [...header[1].matchAll(/<(\w+)\s+class="([^"]+)"/g)].map(([, tag, cls]) => `${tag}.${cls}`);
+  // The kit's own ui-* classes carry no Core styles.
+  const tags = [...header[1].matchAll(/<(\w+)\s+(?:type="button"\s+)?class="([^"]+)"/g)].map(([, tag, cls]) =>
+    `${tag}.${cls.split(' ').filter((name) => !/^ui-/.test(name)).join(' ')}`);
   assert.deepEqual(tags, ['span.panel-title', 'span.panel-divider', 'button.panel-collapse-btn']);
 });
 

src/creditKeyboard.js

@@ -2,7 +2,7 @@
  * Adds the keyboard semantics omitted by Cesium's href-less attribution links.
  * Cesium retains ownership of showing and hiding its required credit lightbox.
  */
-import { getLocale, t } from './i18n/index.js';
+import { t } from './i18n/index.js';
 
 export function configureCreditKeyboardAccess(root = document) {
   const expand = root?.querySelector?.(
@@ -14,19 +14,19 @@ export function configureCreditKeyboardAccess(root = document) {
   const overlay = lightbox.parentElement;
 
   // Cesium writes these two texts in English once, when it builds the credit
-  // display, and never rewrites them; English keeps Cesium's own text.
-  if (getLocale() !== 'en') {
-    expand.textContent = t('Data attribution');
-    const title = lightbox.querySelector?.('.cesium-credit-lightbox-title');
-    if (title) title.textContent = t('Data provided by:');
-  }
+  // display, and never rewrites them; English is Cesium's own text. Called
+  // again after a locale change, this words them again.
+  expand.textContent = t('Data attribution');
+  const title = lightbox.querySelector?.('.cesium-credit-lightbox-title');
+  if (title) title.textContent = t('Data provided by:');
 
   if (!lightbox.id) lightbox.id = 'cesium-credit-lightbox';
   expand.setAttribute('role', 'button');
   expand.setAttribute('tabindex', '0');
   expand.setAttribute('aria-haspopup', 'dialog');
   expand.setAttribute('aria-controls', lightbox.id);
-  expand.setAttribute('aria-expanded', 'false');
+  if (!expand.hasAttribute?.('aria-expanded'))
+    expand.setAttribute('aria-expanded', 'false');
   close.setAttribute('role', 'button');
   close.setAttribute('tabindex', '0');
   close.setAttribute('aria-label', t('Close data attribution'));

src/creditKeyboard.test.mjs

@@ -221,3 +221,16 @@ for (const [locale, link, title] of [
       setLocale('en');
     }
   });
+
+test('setting up again after a switch back to English restores the English texts', () => {
+  const f = textFixture();
+  setLocale('ru');
+  try {
+    configureCreditKeyboardAccess(f.root);
+  } finally {
+    setLocale('en');
+  }
+  configureCreditKeyboardAccess(f.root);
+  assert.equal(f.expand.textContent, 'Data attribution');
+  assert.equal(f.title.textContent, 'Data provided by:');
+});

src/cyberSonar.js

@@ -480,11 +480,16 @@ export function setCyberSonarEnabled(
   return enabled;
 }
 
-/** Whether the map-mode sweep should alter flight presentation. */
+/**
+ * Whether the map-mode sweep should alter flight presentation. `hudActive`
+ * is the HUD's visibility from its owner, which a caller acting on it in the
+ * same turn passes; otherwise the rendered `#intel-hud` class answers.
+ */
 export function isCyberSonarActive({
   root = globalThis.document?.documentElement,
   body = globalThis.document?.body,
   hud,
+  hudActive,
   reducedMotion,
 } = {}) {
   // Keep optional method calls in the body: production downleveling of nested
@@ -498,7 +503,7 @@ export function isCyberSonarActive({
   return !!(
     root?.dataset?.uiTheme === 'cyber' &&
     isCyberSonarEnabled(root) &&
-    hud?.classList?.contains?.('active') &&
+    (hudActive ?? hud?.classList?.contains?.('active')) &&
     !body?.classList?.contains?.('cockpit-mode') &&
     !reducedMotion
   );
@@ -508,12 +513,13 @@ export function isCyberMapThemeActive({
   root = globalThis.document?.documentElement,
   body = globalThis.document?.body,
   hud,
+  hudActive,
 } = {}) {
   if (hud === undefined)
     hud = globalThis.document?.getElementById?.('intel-hud');
   return !!(
     root?.dataset?.uiTheme === 'cyber' &&
-    hud?.classList?.contains?.('active') &&
+    (hudActive ?? hud?.classList?.contains?.('active')) &&
     !body?.classList?.contains?.('cockpit-mode')
   );
 }

src/data/adminBoundaries.js

@@ -123,7 +123,7 @@ export function decodeRing(encoded, decimals) {
 }
 
 /** Even-odd point-in-ring test; ring is [[lon, lat], …], open or closed. */
-function pointInRing(ring, lat, lon) {
+export function pointInRing(ring, lat, lon) {
   if (!Array.isArray(ring) || ring.length < 3) return false;
   let inside = false;
   for (let i = 0, j = ring.length - 1; i < ring.length; j = i, i += 1) {
@@ -150,17 +150,60 @@ export function polygonsContain(polygons, lat, lon) {
   return false;
 }
 
+/**
+ * Whether polygons contain a point. A part whose outer ring crosses the
+ * antimeridian ([179.99, …], [-179.99, …]) is read contiguously in its own
+ * longitude frame, with the point moved into that frame; every other part,
+ * including one genuinely wider than 180°, is tested as stored. Crossing is
+ * read from an edge jumping more than 180°, which assumes densely noded rings
+ * (OSM, Nominatim, tiles); a ring that is both wider than 180° and crossing, or
+ * a non-crossing ring with a single edge over 180°, is not supported.
+ */
+export function containsAnchor(polygons, lat, lon) {
+  if (!Number.isFinite(lon)) return false;
+  for (const part of polygons || []) {
+    const outer = part?.[0];
+    if (!Array.isArray(outer) || !outer.length) continue;
+    const reference = outer[0][0];
+    const shift = (x) => x - 360 * Math.round((x - reference) / 360);
+    const span = (ring, f) => {
+      let west = Infinity;
+      let east = -Infinity;
+      for (const [x] of ring) {
+        west = Math.min(west, f(x));
+        east = Math.max(east, f(x));
+      }
+      return east - west;
+    };
+    // An edge jumping more than 180° wraps the line; a polar ring whose
+    // edges run along ±180 collapses when reframed and is read as stored.
+    const jumps = outer.some(
+      ([x], i) => i > 0 && Math.abs(x - outer[i - 1][0]) > 180,
+    );
+    const framedSpan = jumps ? span(outer, shift) : 0;
+    const crosses = framedSpan > 0 && framedSpan < 180;
+    const framed = crosses
+      ? part.map((ring) => ring.map(([x, y]) => [shift(x), y]))
+      : part;
+    if (polygonsContain([framed], lat, crosses ? shift(lon) : lon)) return true;
+  }
+  return false;
+}
+
 /**
  * A unit's geometry, decoded on first use. Longitudes are unwrapped around
  * the largest part for the box so units cut at the antimeridian (Alaska,
- * Chukotka) get a box on the right side of the globe.
+ * Chukotka) get a box on the right side of the globe. An entry from another
+ * encoding supplies `decode()` returning the same `[outer, ...holes][]`.
  */
-function geometryOf(entry) {
+export function geometryOf(entry) {
   if (entry.geometry) return entry.geometry;
   const decimals = entry.feature.d ?? entry.decimals;
-  const polygons = entry.feature.polygons.map((poly) =>
-    poly.map((ring) => decodeRing(ring, decimals)),
-  );
+  const polygons = entry.decode
+    ? entry.decode()
+    : entry.feature.polygons.map((poly) =>
+        poly.map((ring) => decodeRing(ring, decimals)),
+      );
   const ref = polygons[0]?.[0]?.[0]?.[0] ?? 0;
   let west = Infinity;
   let south = Infinity;
@@ -178,7 +221,7 @@ function geometryOf(entry) {
       if (lat > north) north = lat;
     }
   }
-  const label = entry.feature.label
+  const label = Array.isArray(entry.feature.label)
     ? { lon: entry.feature.label[0], lat: entry.feature.label[1] }
     : ringCentroid(polygons[0][0]);
   entry.geometry = {
@@ -208,7 +251,7 @@ function ringCentroid(ring) {
 }
 
 /** Km from a point to a unit's box (0 inside it). */
-function boxDistanceKm(bbox, lat, lon) {
+export function boxDistanceKm(bbox, lat, lon) {
   const [west, south, east, north] = bbox;
   const mid = (west + east) / 2;
   const x = lon - 360 * Math.round((lon - mid) / 360);
@@ -399,8 +442,8 @@ const COUNTY_WORDS = [
 ];
 const COUNTY_WORD_RE = new RegExp(`\\b(${COUNTY_WORDS.join('|')})\\b`);
 const STATE_PREFIX_RE =
-  /^(?:free state|state|commonwealth|province|territory|prefecture|region|land|canton|department) of (.+)$/;
-const STATE_SUFFIX_RE = /^(.+) (?:state|province|prefecture|territory)$/;
+  /^(free state|state|commonwealth|province|territory|prefecture|region|land|canton|department) of (.+)$/;
+const STATE_SUFFIX_RE = /^(.+) (state|province|prefecture|territory)$/;
 
 /**
  * Split an ask into what it names and how.
@@ -461,14 +504,17 @@ export function parseAdminQuery(text) {
   if (prefix)
     return {
       kind: 'state',
-      name: prefix[1],
+      name: prefix[2],
       qualifiers,
       postal: null,
       countyWord: null,
       full: head,
       form: 'prefix',
+      adminType: prefix[1],
     };
-  const suffix = STATE_SUFFIX_RE.exec(head);
+  // South Africa's canonical province name is literally "Free State"; do not
+  // strip its final word as though the ask explicitly named an admin type.
+  const suffix = head === 'free state' ? null : STATE_SUFFIX_RE.exec(head);
   if (suffix)
     return {
       kind: 'state',
@@ -478,6 +524,7 @@ export function parseAdminQuery(text) {
       countyWord: null,
       full: head,
       form: 'suffix',
+      adminType: suffix[2],
     };
   return {
     kind: 'any',
@@ -489,6 +536,30 @@ export function parseAdminQuery(text) {
   };
 }
 
+/** Explicit wording is stronger than a stale same-name geometry. */
+function explicitStateTypeFits(entry, parsed) {
+  if (!parsed.adminType) return true;
+  const words = new Set(
+    normalizeAdminName(entry.feature?.type)
+      .split(/[^a-z]+/)
+      .filter(Boolean),
+  );
+  const accepted =
+    {
+      'free state': ['state'],
+      state: ['state'],
+      commonwealth: ['state'],
+      province: ['province'],
+      territory: ['territory'],
+      prefecture: ['prefecture'],
+      region: ['region'],
+      land: ['state'],
+      canton: ['canton'],
+      department: ['department', 'departamento'],
+    }[parsed.adminType] || [];
+  return accepted.some((word) => words.has(word));
+}
+
 /** A qualifier names the unit's country ("Bavaria, Germany") or the unit
  * itself ("Washington, DC"). */
 function qualifierMatches(entry, qualifier) {
@@ -505,7 +576,7 @@ function qualifierMatches(entry, qualifier) {
  * Rank candidates: a unit containing `near` first, then the match tier,
  * then distance from `near`, then larger area. Returns the ranked list.
  */
-function rank(candidates, near) {
+export function rank(candidates, near) {
   const hasNear = Number.isFinite(near?.lat) && Number.isFinite(near?.lon);
   const scored = candidates.map(({ entry, tier }) => {
     const geometry = geometryOf(entry);
@@ -626,6 +697,10 @@ async function stateCandidates(parsed, { allowAmbiguous = false } = {}) {
     list = list.filter((i) =>
       parsed.qualifiers.every((q) => qualifierMatches(i.entry, q)),
     );
+  // Preserve explicit identity at the selector seam. In particular,
+  // "Bagmati Province" must not select Natural Earth's historical NP-BA
+  // Bagmati Zone merely because the point and normalized name overlap.
+  list = list.filter((i) => explicitStateTypeFits(i.entry, parsed));
   if (allowAmbiguous) return list;
   // A bare name answers alone only for a prominent unit — a US state, a
   // Canadian province, Bavaria — never a French département, an English
@@ -738,6 +813,12 @@ export async function findAdminAreaAt(names, lat, lon, scope) {
     .map(parseAdminQuery)
     .filter((p) => p?.name);
   if (!parsedList.length) return null;
+  // If the ask explicitly names an admin type, do not let the geocoder's
+  // untyped alias reopen an incompatible historical same-name boundary.
+  const explicitStates = parsedList.filter(
+    (parsed) => parsed.kind === 'state' && parsed.adminType,
+  );
+  const stateParses = explicitStates.length ? explicitStates : parsedList;
   const containing = (items) => {
     const out = [];
     for (const item of items)
@@ -782,7 +863,7 @@ export async function findAdminAreaAt(names, lat, lon, scope) {
       return toResult(rank(found, { lat, lon })[0], found.length);
   }
   const states = [];
-  for (const parsed of parsedList)
+  for (const parsed of stateParses)
     states.push(
       ...(await stateCandidates(
         { ...parsed, qualifiers: [] },

src/data/adminBoundaries.test.mjs

@@ -225,6 +225,28 @@ test('geocoder-confirmed lookup: the named unit that contains the point', async
   assert.equal(await findAdminAreaAt(['Georgia'], 41.7, 44.8, 'state'), null);
   const newYork = await findAdminAreaAt(['New York'], 42.9, -75.5, 'state');
   assert.equal(newYork?.id, 'US-NY');
+  assert.equal(
+    (
+      await findAdminAreaAt(
+        ['Ontario Province', 'Ontario'],
+        43.6532,
+        -79.3832,
+        'state',
+      )
+    )?.id,
+    'CA-ON',
+  );
+  // Natural Earth still carries the historical NP-BA Bagmati Zone. An ask
+  // for today's province must not silently select that incompatible geometry.
+  assert.equal(
+    await findAdminAreaAt(
+      ['Bagmati Province', 'Bagmati'],
+      27.7172,
+      85.324,
+      'state',
+    ),
+    null,
+  );
   // A county the geocoder typed, named without the county word.
   const travis = await findAdminAreaAt(
     ['Travis', 'Travis County'],

src/data/adsbLolFallback.js

@@ -1,3 +1,5 @@
+import { readAdsbVerticalRateFpm } from '../sources/adsbFields.js';
+
 const KNOT_TO_MPS = 0.514444;
 const FOOT_TO_M = 0.3048;
 const FPM_TO_MPS = 0.00508;
@@ -61,8 +63,7 @@ export function normalizeAdsbLolAircraftState(aircraft, nowSeconds) {
   const barometricFeet = onGround ? null : finiteNumber(aircraft?.alt_baro);
   const geometricFeet = finiteNumber(aircraft?.alt_geom);
   const groundSpeedKnots = finiteNumber(aircraft?.gs);
-  const verticalRateFpm =
-    finiteNumber(aircraft?.baro_rate) ?? finiteNumber(aircraft?.geom_rate);
+  const verticalRateFpm = readAdsbVerticalRateFpm(aircraft);
   const track = finiteNumber(aircraft?.track);
 
   return [

src/data/aisLiveVessels.test.mjs

@@ -35,6 +35,10 @@ import { ensureGeoidReady, geoidHeight } from './geoid.js';
 import { registerPickOwner, unregisterPickOwner } from './pickRegistry.js';
 import { applyVesselOverlayPolicy } from './vesselLabels.js';
 import { layerFeedState } from './manager.js';
+import {
+  presentSelectedVessel,
+  subscribeSelectedVessel,
+} from '../hudReadouts.js';
 
 test('open feed with vessels is healthy (null)', () => {
   assert.equal(deriveAisFeedError({ status: 'open', lastMessageAt: 1, error: null }, 42), null);
@@ -856,15 +860,6 @@ function makeTrailSpy() {
   };
 }
 
-function makeClassList(...initial) {
-  const classes = new Set(initial);
-  return {
-    add(value) { classes.add(value); },
-    remove(value) { classes.delete(value); },
-    contains(value) { return classes.has(value); },
-  };
-}
-
 function makeInteractionHandler() {
   return {
     click: null,
@@ -934,14 +929,20 @@ function installWireHarness(picked, stateOverrides = {}) {
   };
   const record = makeRecord();
   const trail = makeTrailSpy();
+  presentSelectedVessel({ text: `AIS: ${record.name}` });
+  let vesselReadout;
+  const stopReadout = subscribeSelectedVessel(
+    (readout) => (vesselReadout = readout),
+  );
   const hud = {
-    textContent: `AIS: ${record.name}`,
-    classList: makeClassList('active'),
+    get readout() {
+      return vesselReadout;
+    },
   };
 
   globalThis.window = windowTarget;
   globalThis.document = {
-    getElementById: (id) => (id === 'hud-ais-vessel' ? hud : null),
+    getElementById: () => null,
   };
   _setVesselStateForTest({
     records: [record],
@@ -966,6 +967,7 @@ function installWireHarness(picked, stateOverrides = {}) {
     reinstalledHandlers,
     interactionHandlerFactory,
     cleanup() {
+      stopReadout();
       aisLiveVesselsLayer.destroy();
       if (hadWindow) globalThis.window = priorWindow;
       else delete globalThis.window;
@@ -1091,8 +1093,7 @@ test('vessel interaction wire: id-less 3D Tiles pick deselects and resets the HU
     harness.handler.click({ position: { x: 10, y: 20 } });
 
     assert.equal(aisLiveVesselsLayer.getSelectedInfo(), null);
-    assert.equal(harness.hud.textContent, 'AIS: --');
-    assert.equal(harness.hud.classList.contains('active'), false);
+    assert.equal(harness.hud.readout, null);
     // Clicking away is a deliberate deselect, not the vessel aging out of the
     // feed. Consumers that keep a readout on screen (the Cockpit Contact
     // panel) tear down on 'deliberate' and hold last-known on 'evicted'.
@@ -1119,8 +1120,7 @@ test('vessel interaction wire: empty pick deselects and emits gev:entity-selecti
     harness.handler.click({ position: { x: 10, y: 20 } });
 
     assert.equal(aisLiveVesselsLayer.getSelectedInfo(), null);
-    assert.equal(harness.hud.textContent, 'AIS: --');
-    assert.equal(harness.hud.classList.contains('active'), false);
+    assert.equal(harness.hud.readout, null);
     // Empty pick is a deliberate deselect — see the note above.
     assert.deepEqual(cleared, [{ layerId: 'ais-live-vessels', reason: 'deliberate' }]);
   } finally {
@@ -1133,8 +1133,7 @@ test('vessel interaction wire: Escape deselects the selected vessel', () => {
   try {
     harness.keyTarget.dispatch({ key: 'Escape' });
     assert.equal(aisLiveVesselsLayer.getSelectedInfo(), null);
-    assert.equal(harness.hud.textContent, 'AIS: --');
-    assert.equal(harness.hud.classList.contains('active'), false);
+    assert.equal(harness.hud.readout, null);
   } finally {
     harness.cleanup();
   }
@@ -1322,6 +1321,27 @@ test('buildVesselCard: heading falls back to course; missing parts are omitted',
   assert.deepEqual(bare.details, []);
 });
 
+test('vessel cards read a course that rounds to north as 0°, not 360°', () => {
+  const card = (course) => buildVesselCard(makeRecord({ heading: null, course })).details[0];
+  assert.equal(card(359.4), 'CONTAINER SHIP · 14.5KT · 359°');
+  assert.equal(card(359.7), 'CONTAINER SHIP · 14.5KT · 0°');
+  assert.equal(
+    buildSelectedVesselCard(makeRecord({ heading: null, course: 359.7 })).details[0],
+    'CONTAINER SHIP · 14.5KT · 0°',
+  );
+});
+
+test('the vessel HUD reads a course that rounds to north as HDG 0DEG', () => {
+  const harness = installWireHarness(undefined, { selectedRecord: null });
+  try {
+    Object.assign(harness.record, { heading: null, course: 359.7 });
+    assert.equal(aisLiveVesselsLayer.selectById(harness.record.mmsi), true);
+    assert.match(harness.hud.readout.text, /HDG: 0DEG/);
+  } finally {
+    harness.cleanup();
+  }
+});
+
 test('buildVesselCard: unnamed vessels title as MMSI; long names truncate', () => {
   const unnamed = buildVesselCard(makeRecord({ name: 'VESSEL' }));
   assert.equal(unnamed.title, 'MMSI 353136000');

src/data/bhoteKoshiEmbeddedMedia.js

@@ -1,5 +1,5 @@
 import * as Cesium from 'cesium';
-import { t, msg } from '../i18n/index.js';
+import { t, msg, onLocaleChange } from '../i18n/index.js';
 
 const YOUTUBE_HOSTS = new Set([
   'youtube.com',
@@ -569,7 +569,8 @@ function anchorOnScreen(viewer, anchor, root) {
   return { x, y, width: rootBounds.width, height: rootBounds.height };
 }
 
-function placeCard(card, leader, anchor) {
+/** Place a media card beside its map anchor, in the lane between the panels. */
+export function placeCard(card, leader, anchor) {
   const margin = 18;
   const gap = 42;
   const width = card.offsetWidth || 392;
@@ -580,22 +581,22 @@ function placeCard(card, leader, anchor) {
   let laneRight = anchor.width - margin;
   let laneBottom = anchor.height - margin;
   if (rootBounds && documentRef?.querySelector) {
-    const leftPanel = documentRef
-      .querySelector('#scene-panel')
-      ?.getBoundingClientRect?.();
-    const rightRail = documentRef
-      .querySelector('#right-context-rail')
-      ?.getBoundingClientRect?.();
     const commandDock = documentRef
       .querySelector('#command-dock')
       ?.getBoundingClientRect?.();
-    if (leftPanel?.width > 0)
-      laneLeft = Math.max(laneLeft, leftPanel.right - rootBounds.left + margin);
-    if (rightRail?.width > 0)
-      laneRight = Math.min(
-        laneRight,
-        rightRail.left - rootBounds.left - margin,
-      );
+    // The scene panel and the context rail swap sides in right-to-left
+    // languages: each narrows the lane from the side it sits on.
+    for (const selector of ['#scene-panel', '#right-context-rail']) {
+      const panel = documentRef
+        .querySelector(selector)
+        ?.getBoundingClientRect?.();
+      if (!(panel?.width > 0)) continue;
+      const start = panel.left - rootBounds.left;
+      const end = panel.right - rootBounds.left;
+      if (start + end < rootBounds.width)
+        laneLeft = Math.max(laneLeft, end + margin);
+      else laneRight = Math.min(laneRight, start - margin);
+    }
     if (commandDock?.height > 0)
       laneBottom = Math.min(
         laneBottom,
@@ -674,6 +675,30 @@ export function createBhoteKoshiEmbeddedMedia({
   let record = null;
   let warmRecord = null;
   let generation = 0;
+  // Text the cards show, kept as the calls that word it so a locale change
+  // words it again. A node is forgotten once it has left the page.
+  const worded = new Map();
+  function forgetDetached() {
+    for (const node of worded.keys())
+      if (!node.isConnected) worded.delete(node);
+  }
+  function word(node, property, text) {
+    let properties = worded.get(node);
+    if (!properties) worded.set(node, (properties = new Map()));
+    properties.set(property, text);
+    writeWord(node, property, text());
+  }
+  function writeWord(node, property, value) {
+    if (property === 'textContent' || property === 'title')
+      node[property] = value;
+    else node.setAttribute(property, value);
+  }
+  const offLocale = onLocaleChange(() => {
+    forgetDetached();
+    for (const [node, properties] of worded)
+      for (const [property, text] of properties)
+        writeWord(node, property, text());
+  });
   const leavingRecords = new Set();
 
   const prefersReducedMotion = () =>
@@ -818,6 +843,7 @@ export function createBhoteKoshiEmbeddedMedia({
     current.youtubeSession?.destroy();
     current.card?.remove?.();
     leavingRecords.delete(current);
+    forgetDetached();
   }
 
   const position = () => {
@@ -871,6 +897,7 @@ export function createBhoteKoshiEmbeddedMedia({
       destroyFacebookSession(warmRecord.facebookSession);
     else warmRecord.iframe?.remove?.();
     warmRecord = null;
+    forgetDetached();
   }
 
   function takeWarmFacebook(key, host) {
@@ -917,9 +944,11 @@ export function createBhoteKoshiEmbeddedMedia({
       startAtSec,
       endAtSec,
     });
-    iframe.title = t('Preloading {provider} media', {
-      provider: providerLabel(source.provider),
-    });
+    word(iframe, 'title', () =>
+      t('Preloading {provider} media', {
+        provider: providerLabel(source.provider),
+      }),
+    );
     iframe.tabIndex = -1;
     iframe.setAttribute('aria-hidden', 'true');
     iframe.loading = 'eager';
@@ -930,7 +959,7 @@ export function createBhoteKoshiEmbeddedMedia({
   }
 
   async function mountX(current, token) {
-    current.status.textContent = t('LOADING X POST…');
+    word(current.status, 'textContent', () => t('LOADING X POST…'));
     try {
       const api = await xLoader(documentRef, globalRef);
       if (token !== generation || record !== current) return;
@@ -950,14 +979,18 @@ export function createBhoteKoshiEmbeddedMedia({
         throw new Error(
           msg('The X post is unavailable or cannot be embedded.'),
         );
-      current.status.textContent = t('X POST · PROVIDER CONTROLS');
+      word(current.status, 'textContent', () =>
+        t('X POST · PROVIDER CONTROLS'),
+      );
       position();
     } catch (error) {
       if (token !== generation || record !== current) return;
       current.card.classList.add('is-unavailable');
-      current.status.textContent = t('{reason} OPEN ORIGINAL.', {
-        reason: t(String(error?.message || msg('X embed unavailable'))),
-      });
+      word(current.status, 'textContent', () =>
+        t('{reason} OPEN ORIGINAL.', {
+          reason: t(String(error?.message || msg('X embed unavailable'))),
+        }),
+      );
       position();
     }
   }
@@ -970,22 +1003,28 @@ export function createBhoteKoshiEmbeddedMedia({
     session.shouldPlay = autoplay === true;
     session.onReady = () => {
       if (token !== generation || record !== current) return;
-      current.status.textContent = t('FACEBOOK · PROVIDER CONTROLS');
+      word(current.status, 'textContent', () =>
+        t('FACEBOOK · PROVIDER CONTROLS'),
+      );
       current.card.classList.remove('is-unavailable');
       position();
     };
     session.onError = (error) => {
       if (token !== generation || record !== current) return;
       current.card.classList.add('is-unavailable');
-      current.status.textContent = t('{reason} OPEN ORIGINAL.', {
-        reason: t(String(error?.message || msg('Facebook embed unavailable'))),
-      });
+      word(current.status, 'textContent', () =>
+        t('{reason} OPEN ORIGINAL.', {
+          reason: t(
+            String(error?.message || msg('Facebook embed unavailable')),
+          ),
+        }),
+      );
       position();
     };
     session.onPlaybackBlocked = () => {
       if (token !== generation || record !== current) return;
-      current.status.textContent = t(
-        'AUTOPLAY BLOCKED · USE PROVIDER CONTROLS',
+      word(current.status, 'textContent', () =>
+        t('AUTOPLAY BLOCKED · USE PROVIDER CONTROLS'),
       );
     };
     if (session.ready) session.onReady();
@@ -1036,8 +1075,7 @@ export function createBhoteKoshiEmbeddedMedia({
     const portraitClass = isPortraitMedia(media) ? ' is-portrait' : '';
     card.className = `bhote-embedded-callout is-${source.provider}${portraitClass}`;
     card.dataset.provider = source.provider;
-    card.setAttribute(
-      'aria-label',
+    word(card, 'aria-label', () =>
       t('Embedded {provider} media for {source}', {
         provider: providerLabel(source.provider),
         source: observation?.title
@@ -1054,22 +1092,26 @@ export function createBhoteKoshiEmbeddedMedia({
     leader.innerHTML =
       '<path pathLength="1" fill="none" stroke="rgba(147,213,228,.72)" stroke-width="1.5"/><circle r="4" fill="#6be8ff" stroke="#ffffff" stroke-width="1.5"/>';
     const player = documentRef.createElement('div');
-    player.className = 'bhote-embedded-callout-player';
+    player.className = 'bhote-embedded-callout-player ui-scroll';
     const footer = documentRef.createElement('footer');
     const title = documentRef.createElement('strong');
-    title.textContent = bhoteEventText(
-      observation?.shortTitle || observation?.title || t('Witness source'),
-    ).toUpperCase();
+    word(title, 'textContent', () =>
+      bhoteEventText(
+        observation?.shortTitle || observation?.title || t('Witness source'),
+      ).toUpperCase(),
+    );
     const status = documentRef.createElement('small');
     status.setAttribute('role', 'status');
-    status.textContent = t('{provider} · EMBEDDED SOURCE', {
-      provider: providerLabel(source.provider),
-    });
+    word(status, 'textContent', () =>
+      t('{provider} · EMBEDDED SOURCE', {
+        provider: providerLabel(source.provider),
+      }),
+    );
     const link = documentRef.createElement('a');
     link.href = source.url;
     link.target = '_blank';
     link.rel = 'noopener noreferrer';
-    link.textContent = t('OPEN ORIGINAL ↗');
+    word(link, 'textContent', () => t('OPEN ORIGINAL ↗'));
     footer.append(title, status, link);
     const body = documentRef.createElement('div');
     body.className = 'bhote-embedded-callout-body';
@@ -1109,12 +1151,14 @@ export function createBhoteKoshiEmbeddedMedia({
           url.searchParams.set('origin', globalRef.location.origin);
         iframe.src = url.href;
       }
-      iframe.title = t('{provider} media: {source}', {
-        provider: providerLabel(source.provider),
-        source: observation?.title
-          ? bhoteEventText(observation.title)
-          : t('witness source'),
-      });
+      word(iframe, 'title', () =>
+        t('{provider} media: {source}', {
+          provider: providerLabel(source.provider),
+          source: observation?.title
+            ? bhoteEventText(observation.title)
+            : t('witness source'),
+        }),
+      );
       iframe.allow =
         'autoplay; encrypted-media; picture-in-picture; fullscreen';
       iframe.allowFullscreen = true;
@@ -1131,9 +1175,11 @@ export function createBhoteKoshiEmbeddedMedia({
               record.youtubeSession.getState().phase,
             )
           ) {
-            status.textContent = t('{provider} · PROVIDER CONTROLS', {
-              provider: providerLabel(source.provider),
-            });
+            word(status, 'textContent', () =>
+              t('{provider} · PROVIDER CONTROLS', {
+                provider: providerLabel(source.provider),
+              }),
+            );
           }
           position();
         },
@@ -1151,11 +1197,13 @@ export function createBhoteKoshiEmbeddedMedia({
           isCurrent: () => token === generation && record === current,
           onStatus: (phase) => {
             if (phase !== 'completed')
-              status.textContent = t('YOUTUBE {state} · OPEN ORIGINAL', {
-                state: YOUTUBE_PHASE_LABELS[phase]
-                  ? t(YOUTUBE_PHASE_LABELS[phase])
-                  : phase.toUpperCase(),
-              });
+              word(status, 'textContent', () =>
+                t('YOUTUBE {state} · OPEN ORIGINAL', {
+                  state: YOUTUBE_PHASE_LABELS[phase]
+                    ? t(YOUTUBE_PHASE_LABELS[phase])
+                    : phase.toUpperCase(),
+                }),
+              );
           },
         });
       }
@@ -1165,6 +1213,8 @@ export function createBhoteKoshiEmbeddedMedia({
   }
 
   function destroy() {
+    offLocale();
+    worded.clear();
     hide({ immediate: true });
     for (const current of [...leavingRecords]) removeRecord(current);
     clearWarm();

src/data/bhoteKoshiEmbeddedMedia.test.mjs

@@ -6,6 +6,7 @@ import {
   createBhoteKoshiEmbeddedMedia,
   createTrimmedYouTubePlayback,
   embeddedMediaFrameUrl,
+  placeCard,
   publicEmbeddedMediaUrl,
   resolveEmbeddedMediaSource,
 } from './bhoteKoshiEmbeddedMedia.js';
@@ -348,7 +349,7 @@ test('camera updates retain a preload until the visible player loads', () => {
   assert.equal(frame.parent, root, 'keep the preload while the visible player starts');
   const card = root.children.find(node => node.tag === 'section');
   const body = card.children.find(node => node.className === 'bhote-embedded-callout-body');
-  const player = body.children.find(node => node.className === 'bhote-embedded-callout-player');
+  const player = body.children.find(node => node.className.split(' ').includes('bhote-embedded-callout-player'));
   player.children.find(node => node.tag === 'iframe').dispatchEvent(new Event('load'));
   assert.equal(frame.parent, null, 'visible player readiness releases the preload');
   media.destroy();
@@ -394,3 +395,25 @@ test('pausing cancels a mounted Facebook preload and rejects its late ready call
   assert.deepEqual(playerCalls, []);
   media.destroy();
 });
+
+test('a media card stays between the panels when right-to-left swaps their sides', () => {
+  const rect = (left, right, top = 0, bottom = 900) => ({ left, right, top, bottom, width: right - left, height: bottom - top });
+  // Arabic: the scene panel sits on the right, the context rail on the left.
+  const panels = {
+    '#scene-panel': rect(1040, 1420),
+    '#right-context-rail': rect(20, 340),
+    '#command-dock': rect(500, 940, 820, 880),
+  };
+  const card = {
+    offsetWidth: 392,
+    offsetHeight: 360,
+    parentElement: { getBoundingClientRect: () => rect(0, 1440) },
+    ownerDocument: { querySelector: (selector) => ({ getBoundingClientRect: () => panels[selector] }) },
+    classList: { contains: () => false },
+    style: {},
+  };
+  placeCard(card, { querySelector: () => null }, { x: 700, y: 400, width: 1440, height: 900 });
+  const left = parseFloat(card.style.left);
+  assert.ok(left >= 340 + 18, `card at ${left}px lands on the context rail`);
+  assert.ok(left + 392 <= 1040 - 18, `card at ${left}px lands on the scene panel`);
+});

src/data/bhoteKoshiEvent.js

@@ -25,7 +25,9 @@ import {
 } from './bhoteKoshiEmbeddedMedia.js';
 import { acquireImageryComparison } from '../maps/imageryComparison.js';
 import { createImagerySplit } from '../ui/imagerySplit.js';
-import { formatDate, t, tn, msg } from '../i18n/index.js';
+import { formatDate, t, tn, msg, onLocaleChange } from '../i18n/index.js';
+import { useBhoteKoshiPanelStore } from '../ui/stores/bhoteKoshiPanel.js';
+import { applicationPinia } from '../ui/vueRuntime.js';
 
 export const BHOTE_KOSHI_LAYER_ID = 'bhote-koshi-2026';
 export const BHOTE_KOSHI_OVERLAY_SOURCE_ID = 'bhote-koshi-witnesses';
@@ -449,18 +451,6 @@ function imageryEndpointText(entry) {
   return [name, date].filter(Boolean).join(' · ');
 }
 
-/** Name, then the date kept on one line so the year never wraps alone. */
-function renderImageryEndpoint(element, entry) {
-  if (!element) return;
-  const { name, date } = imageryEndpointLabel(entry);
-  element.textContent = date ? `${name} · ` : name;
-  if (!date) return;
-  const dateElement = document.createElement('span');
-  dateElement.className = 'bhote-event-date';
-  dateElement.textContent = date;
-  element.appendChild(dateElement);
-}
-
 /** Compact, source-bounded disclosure for multi-source geolocation beats. */
 export function evidenceCorroborationLabel(observation) {
   const count = Math.max(
@@ -929,185 +919,70 @@ function setElementProperty(element, property, value) {
 }
 
 function setElementAttribute(element, attribute, value) {
-  if (!element || element.getAttribute?.(attribute) === value) return false;
-  element.setAttribute(attribute, value);
+  if (!element || element.attributes[attribute] === value) return false;
+  element.attributes[attribute] = value;
   return true;
 }
 
-function collectPanelReferences(panel) {
+/** One panel control's state, as the panel view renders it. */
+function panelRecord(initial = {}) {
+  return {
+    textContent: '',
+    hidden: false,
+    disabled: false,
+    value: '',
+    ...initial,
+    attributes: { ...initial.attributes },
+  };
+}
+
+/**
+ * The panel's controls as the layer writes them, starting from the panel's
+ * markup. The panel view renders what the layer publishes from them.
+ */
+function createPanelRecords(event) {
   return Object.freeze({
-    imagerySection: panel.querySelector('[data-role="imagery-comparison"]'),
-    observedStatus: panel.querySelector('.bhote-event-status.observed'),
-    beforeDate: panel.querySelector('[data-role="before-date"]'),
-    afterDate: panel.querySelector('[data-role="after-date"]'),
-    time: panel.querySelector('[data-role="time"]'),
-    caveat: panel.querySelector('[data-role="caveat"]'),
-    imageryCloudNote: panel.querySelector('[data-role="imagery-cloud-note"]'),
-    reportList: panel.querySelector('.bhote-event-report-list'),
-    playButton: panel.querySelector('[data-action="play"]'),
-    playSceneButton: panel.querySelector('[data-action="play-scene"]'),
-    cinematicButton: panel.querySelector('[data-action="cinematic"]'),
-    storyReplayButton: panel.querySelector('[data-action="story-replay"]'),
-    corridorButton: panel.querySelector('[data-action="corridor"]'),
-    previousButton: panel.querySelector('[data-action="previous-beat"]'),
-    nextButton: panel.querySelector('[data-action="next-beat"]'),
-    openSourceButton: panel.querySelector('[data-action="open-source"]'),
-    progressInput: panel.querySelector('[data-role="progress"]'),
-    splitInput: panel.querySelector('[data-role="split"]'),
-    splitReadout: panel.querySelector('[data-role="split-readout"]'),
-    timelineLabel: panel.querySelector('[data-role="timeline-label"]'),
-    beatIndex: panel.querySelector('[data-role="beat-index"]'),
-    beatTitle: panel.querySelector('[data-role="beat-title"]'),
-    beatMeta: panel.querySelector('[data-role="beat-meta"]'),
+    root: { sceneBeat: false },
+    imagerySection: panelRecord(),
+    observedStatus: panelRecord(),
+    time: panelRecord({
+      textContent: `~0:00 / ${elapsedLabel(1, event.reconstruction.elapsedSeconds)}`,
+    }),
+    caveat: panelRecord({
+      textContent: bhoteEventText(event.reconstruction.caveat),
+    }),
+    imageryCloudNote: panelRecord(),
+    playButton: panelRecord({ textContent: t('▶ PLAY') }),
+    playSceneButton: panelRecord({
+      textContent: t('▶ PLAY SCENE'),
+      hidden: true,
+    }),
+    cinematicButton: panelRecord({
+      textContent: t('◉ CINEMATIC'),
+      attributes: { 'aria-pressed': 'false' },
+    }),
+    storyReplayButton: panelRecord({ textContent: t('↺ FULL STORY') }),
+    corridorButton: panelRecord(),
+    previousButton: panelRecord({
+      attributes: { 'aria-label': t('Previous story beat') },
+    }),
+    nextButton: panelRecord({
+      attributes: { 'aria-label': t('Next story beat') },
+    }),
+    openSourceButton: panelRecord(),
+    progressInput: panelRecord({
+      value: '0',
+      attributes: { 'aria-label': t('Schematic downstream progression') },
+    }),
+    splitInput: panelRecord({ value: '50' }),
+    splitReadout: panelRecord({ textContent: '50 / 50' }),
+    timelineLabel: panelRecord({ textContent: t('RECONSTRUCTION CLOCK') }),
+    beatIndex: panelRecord({ textContent: '01 / 06' }),
+    beatTitle: panelRecord({ textContent: t('CAUSE') }),
+    beatMeta: panelRecord({ textContent: t('CAPTURE TIME UNVERIFIED') }),
   });
 }
 
-/** Escape translated text for the panel markup template. */
-function escapeMarkup(text) {
-  return String(text)
-    .replace(/&/g, '&')
-    .replace(/</g, '&lt;')
-    .replace(/>/g, '&gt;')
-    .replace(/"/g, '&quot;');
-}
-
-function createPanel(event, handlers) {
-  const panel = document.createElement('aside');
-  panel.id = 'bhote-koshi-event-panel';
-  panel.setAttribute(
-    'aria-label',
-    t('Bhote Koshi flood reconstruction controls'),
-  );
-  panel.innerHTML = `
-    <div class="bhote-event-header">
-      <div>
-        <div class="bhote-event-kicker">${escapeMarkup(t('EVENT RECONSTRUCTION · 26 AUG 2026'))}</div>
-        <div class="bhote-event-title">${escapeMarkup(t('BHOTE KOSHI OUTBURST FLOOD'))}</div>
-      </div>
-      <button class="bhote-event-icon-btn" type="button" data-action="close" title="${escapeMarkup(t('Close event layer'))}" aria-label="${escapeMarkup(t('Close event layer'))}">×</button>
-    </div>
-    <div class="bhote-event-status-row">
-      <span class="bhote-event-status observed">${escapeMarkup(t('OBSERVED IMAGERY'))}</span>
-      <span class="bhote-event-status reconstructed">${escapeMarkup(t('SCHEMATIC CORRIDOR'))}</span>
-    </div>
-    <section class="bhote-event-section" data-role="imagery-comparison">
-      <div class="bhote-event-section-head">
-        <span>${escapeMarkup(t('2021 HISTORICAL REFERENCE / 2026 POST-EVENT'))}</span>
-        <span data-role="split-readout">50 / 50</span>
-      </div>
-      <input class="bhote-event-range" data-role="split" type="range" min="0" max="100" value="50" aria-label="${escapeMarkup(t('Historical reference and post-event image split'))}" />
-      <div class="bhote-event-dates">
-        <span data-role="before-date"></span>
-        <span data-role="after-date"></span>
-      </div>
-    </section>
-    <section class="bhote-event-section">
-      <div class="bhote-event-section-head">
-        <span data-role="timeline-label">${escapeMarkup(t('RECONSTRUCTION CLOCK'))}</span>
-        <span data-role="time"></span>
-      </div>
-      <input class="bhote-event-range flood" data-role="progress" type="range" min="0" max="1000" value="0" aria-label="${escapeMarkup(t('Schematic downstream progression'))}" />
-      <div class="bhote-event-story-nav" aria-label="${escapeMarkup(t('Story beat navigation'))}">
-        <button type="button" data-action="previous-beat" title="${escapeMarkup(t('Previous story beat'))}" aria-label="${escapeMarkup(t('Previous story beat'))}">‹</button>
-        <div class="bhote-event-story-current">
-          <span data-role="beat-index">01 / 06</span>
-          <strong data-role="beat-title" aria-live="polite">${escapeMarkup(t('CAUSE'))}</strong>
-          <small data-role="beat-meta">${escapeMarkup(t('CAPTURE TIME UNVERIFIED'))}</small>
-        </div>
-        <button type="button" data-action="next-beat" title="${escapeMarkup(t('Next story beat'))}" aria-label="${escapeMarkup(t('Next story beat'))}">›</button>
-      </div>
-      <div class="bhote-event-actions">
-        <button type="button" data-action="play">${escapeMarkup(t('▶ PLAY'))}</button>
-        <button type="button" data-action="play-scene" hidden title="${escapeMarkup(t('Play the next shot and continue through this scene'))}">${escapeMarkup(t('▶ PLAY SCENE'))}</button>
-        <button type="button" data-action="cinematic" aria-pressed="false">${escapeMarkup(t('◉ CINEMATIC'))}</button>
-        <button type="button" data-action="story-replay">${escapeMarkup(t('↺ FULL STORY'))}</button>
-        <button type="button" data-action="open-source">${escapeMarkup(t('↗ OPEN ORIGINAL'))}</button>
-        <button type="button" data-action="corridor">${escapeMarkup(t('⌖ LOWER GORGE'))}</button>
-      </div>
-    </section>
-    <details class="bhote-event-evidence">
-      <summary>${escapeMarkup(t('FIELD REPORTS · {count}', { count: event.fieldReports.length }))}</summary>
-      <div class="bhote-event-report-list"></div>
-    </details>
-    <div class="bhote-event-credit">
-      <span>${escapeMarkup(t('GEOLOCATIONS · {credit}', { credit: 'GEO GEORGE SHADRACH' }))}</span>
-      <button type="button" data-action="geolocation-map">${escapeMarkup(t('↗ OPEN PUBLIC MAP'))}</button>
-    </div>
-    <p class="bhote-event-caveat"><span data-role="caveat"></span><span data-role="imagery-cloud-note">${escapeMarkup(t(' Clouds are preserved from the source imagery.'))}</span></p>
-  `;
-
-  const refs = collectPanelReferences(panel);
-  renderImageryEndpoint(refs.beforeDate, event.imagery.before);
-  renderImageryEndpoint(refs.afterDate, event.imagery.after);
-  refs.time.textContent = `~0:00 / ${elapsedLabel(1, event.reconstruction.elapsedSeconds)}`;
-  refs.caveat.textContent = bhoteEventText(event.reconstruction.caveat);
-
-  for (const report of event.fieldReports) {
-    const button = document.createElement('button');
-    const label = document.createElement('span');
-    const status = document.createElement('small');
-    button.type = 'button';
-    button.className = 'bhote-event-report';
-    label.textContent = bhoteEventText(report.label);
-    status.textContent = bhoteEventText(report.status);
-    button.append(label, status);
-    button.addEventListener('click', () => openExternal(report.url));
-    refs.reportList.appendChild(button);
-  }
-
-  panel
-    .querySelector('[data-action="close"]')
-    .addEventListener('click', handlers.close);
-  panel
-    .querySelector('[data-action="play"]')
-    .addEventListener('click', handlers.play);
-  panel
-    .querySelector('[data-action="play-scene"]')
-    .addEventListener('click', handlers.playScene);
-  panel
-    .querySelector('[data-action="cinematic"]')
-    .addEventListener('click', handlers.toggleCinematic);
-  panel
-    .querySelector('[data-action="previous-beat"]')
-    .addEventListener('click', handlers.previousBeat);
-  panel
-    .querySelector('[data-action="next-beat"]')
-    .addEventListener('click', handlers.nextBeat);
-  panel
-    .querySelector('[data-action="story-replay"]')
-    .addEventListener('click', handlers.replayCinematic);
-  panel
-    .querySelector('[data-action="open-source"]')
-    .addEventListener('click', handlers.openActiveSource);
-  panel
-    .querySelector('[data-action="geolocation-map"]')
-    .addEventListener('click', handlers.openGeolocationMap);
-  panel
-    .querySelector('[data-action="corridor"]')
-    .addEventListener('click', handlers.focusCorridor);
-  panel
-    .querySelector('[data-role="split"]')
-    .addEventListener('input', (inputEvent) => {
-      handlers.setSplit(Number(inputEvent.target.value) / 100);
-    });
-  panel
-    .querySelector('[data-role="progress"]')
-    .addEventListener('input', (inputEvent) => {
-      handlers.previewProgress(Number(inputEvent.target.value) / 1000);
-    });
-  panel
-    .querySelector('[data-role="progress"]')
-    .addEventListener('change', (inputEvent) => {
-      handlers.commitProgress(Number(inputEvent.target.value) / 1000, {
-        final: true,
-      });
-    });
-  const rightRail = document.getElementById?.('right-context-rail');
-  rightRail?.classList.add('bhote-event-active');
-  (rightRail || document.body).appendChild(panel);
-  return { panel, refs };
-}
-
 export function createBhoteKoshiEventLayer({
   overlayHost = DEFAULT_OVERLAY_HOST,
   renderHost = DEFAULT_RENDER_HOST,
@@ -1119,14 +994,22 @@ export function createBhoteKoshiEventLayer({
   evidenceFrameUpdater = updateEvidenceFrame,
   videoFactory = DEFAULT_VIDEO_FACTORY,
   embeddedMediaFactory = createBhoteKoshiEmbeddedMedia,
+  panelStore = useBhoteKoshiPanelStore(applicationPinia()),
 } = {}) {
   let _viewer = null;
   let _dataManager = null;
   let _mapStackController = null;
   let _event = null;
   let _enabled = false;
-  let _panel = null;
+  // The panel's controls; null while the layer is off. Their state is
+  // published to the panel store, which the context rail renders.
   let _panelRefs = null;
+  let _panelOwner = null;
+  let _panelPublished = '';
+  // The dates and field reports, which stay as they were when the panel
+  // opened, until a locale change words them again.
+  let _panelFixed = null;
+  let _offPanelLocale = null;
   let _splitControl = null;
   let _beforeLayer = null;
   let _afterLayer = null;
@@ -2723,9 +2606,9 @@ export function createBhoteKoshiEventLayer({
       id: 'bhote-koshi-split-line',
       handleClass: 'bhote-koshi-split-handle',
       cssProperty: '--bhote-koshi-split',
-      beforeTitle: imageryEndpointText(event.imagery.before),
-      afterTitle: imageryEndpointText(event.imagery.after),
-      ariaLabel: t('Historical reference and post-event image divider'),
+      beforeTitle: () => imageryEndpointText(event.imagery.before),
+      afterTitle: () => imageryEndpointText(event.imagery.after),
+      ariaLabel: () => t('Historical reference and post-event image divider'),
       formatValueText: (beforePercent, afterPercent) =>
         t(
           'A historical reference {before} percent, B post-event {after} percent',
@@ -2756,15 +2639,63 @@ export function createBhoteKoshiEventLayer({
     _lastCinematicProgress = _progress;
   }
 
+  /** Present the panel's controls as they stand; an unchanged panel is not sent again. */
+  function publishPanel() {
+    if (!_panelRefs) return;
+    const { root, ...controls } = _panelRefs;
+    const refs = Object.fromEntries(
+      Object.entries(controls).map(([key, record]) => [
+        key,
+        { ...record, attributes: { ...record.attributes } },
+      ]),
+    );
+    const signature = JSON.stringify([root.sceneBeat, refs]);
+    if (signature === _panelPublished) return;
+    _panelPublished = signature;
+    _panelFixed ??= {
+      beforeDate: imageryEndpointLabel(_event.imagery.before),
+      afterDate: imageryEndpointLabel(_event.imagery.after),
+      reports: _event.fieldReports.map((report) => ({
+        label: bhoteEventText(report.label),
+        status: bhoteEventText(report.status),
+      })),
+    };
+    panelStore.publish({
+      owner: _panelOwner,
+      sceneBeat: root.sceneBeat,
+      refs,
+      ..._panelFixed,
+    });
+  }
+
+  /**
+   * Word the panel again in the current locale: fresh records, written by
+   * the same syncs that keep them current.
+   */
+  function relocalizePanel() {
+    if (!_panelRefs || !_event) return;
+    _panelRefs = createPanelRecords(_event);
+    _panelFixed = null;
+    writeCinematicButton();
+    syncPanel();
+    syncPresentationMode();
+  }
+
   function syncCinematicButton() {
+    if (writeCinematicButton()) publishPanel();
+  }
+
+  /** Write the cinematic button's label and state; false without a panel. */
+  function writeCinematicButton() {
     const button = _panelRefs?.cinematicButton;
-    if (!button) return;
+    if (!button) return false;
     setElementProperty(
       button,
       'textContent',
       _cinematicActive ? t('■ RELEASE CAMERA') : t('◉ CINEMATIC'),
     );
     setElementAttribute(button, 'aria-pressed', String(_cinematicActive));
+    return true;
   }
 
   function claimCinematicCamera() {
@@ -3029,6 +2960,7 @@ export function createBhoteKoshiEventLayer({
       'textContent',
       `~${elapsedLabel(_sceneScrubProgress, sceneDurationSec)} / ${elapsedLabel(1, sceneDurationSec)}`,
     );
+    publishPanel();
     if (_sceneSeekFrame != null) return;
     const schedule =
       globalThis.requestAnimationFrame ||
@@ -3302,7 +3234,7 @@ export function createBhoteKoshiEventLayer({
       'disabled',
       !observation?.media?.sourceUrl,
     );
-    syncCinematicButton();
+    writeCinematicButton();
     setElementProperty(
       _panelRefs.splitInput,
       'value',
@@ -3314,6 +3246,7 @@ export function createBhoteKoshiEventLayer({
       'textContent',
       `${beforePercent} / ${100 - beforePercent}`,
     );
+    publishPanel();
   }
 
   function syncPresentationMode() {
@@ -3330,7 +3263,7 @@ export function createBhoteKoshiEventLayer({
     const evidenceAvailable =
       !sceneDirected ||
       (_sceneSurface === BHOTE_KOSHI_SCENE_EVIDENCE_BEAT && knownSceneBeat);
-    _panel?.classList?.toggle('bhote-event-scene-beat', sceneDirected);
+    if (_panelRefs) _panelRefs.root.sceneBeat = sceneDirected;
     if (_panelRefs?.playSceneButton)
       _panelRefs.playSceneButton.hidden = !sceneDirected;
     if (_panelRefs?.imagerySection)
@@ -3364,6 +3297,7 @@ export function createBhoteKoshiEventLayer({
     }
     if (_panelRefs?.openSourceButton)
       _panelRefs.openSourceButton.hidden = !evidenceAvailable;
+    publishPanel();
     overlayHost.setVisible(BHOTE_KOSHI_OVERLAY_SOURCE_ID, evidenceAvailable);
   }
 
@@ -3561,7 +3495,12 @@ export function createBhoteKoshiEventLayer({
       throwIfEnableCancelled(signal, _enabled);
       createFloodDataSource();
       createSplitControl(event);
-      const panelView = createPanel(event, {
+      _panelRefs = createPanelRecords(event);
+      _panelOwner = {};
+      _panelPublished = '';
+      _panelFixed = null;
+      const owner = _panelOwner;
+      const controls = {
         close: () =>
           _dataManager?.setEnabled(BHOTE_KOSHI_LAYER_ID, false, {
             origin: 'user',
@@ -3578,9 +3517,23 @@ export function createBhoteKoshiEventLayer({
         commitProgress,
         setSplit,
         focusCorridor,
-      });
-      _panel = panelView.panel;
-      _panelRefs = panelView.refs;
+        openReport: (index) => {
+          const url = event.fieldReports[index]?.url;
+          if (url) openExternal(url);
+        },
+      };
+      // Only the panel this enable published may act.
+      panelStore.connect(
+        Object.fromEntries(
+          Object.entries(controls).map(([name, control]) => [
+            name,
+            (...args) => (_panelOwner === owner ? control(...args) : undefined),
+          ]),
+        ),
+      );
+      publishPanel();
+      _offPanelLocale?.();
+      _offPanelLocale = onLocaleChange(relocalizePanel);
       syncPresentationMode();
       overlayHost.setVisible(
         BHOTE_KOSHI_OVERLAY_SOURCE_ID,
@@ -3673,12 +3626,16 @@ export function createBhoteKoshiEventLayer({
     _surgePoint = null;
     _lastSurgePosition = null;
     _lastSurgeVisible = null;
-    _panel?.remove();
-    document
-      .getElementById?.('right-context-rail')
-      ?.classList.remove('bhote-event-active');
-    _panel = null;
+    if (_panelOwner && panelStore.panel?.owner === _panelOwner) {
+      panelStore.connect(null);
+      panelStore.publish(null);
+    }
+    _offPanelLocale?.();
+    _offPanelLocale = null;
+    _panelOwner = null;
     _panelRefs = null;
+    _panelPublished = '';
+    _panelFixed = null;
     _splitControl?.destroy();
     _splitControl = null;
     _progress = 0;

src/data/bhoteKoshiEvent.test.mjs

@@ -3,6 +3,9 @@ import { readFile } from 'node:fs/promises';
 import test from 'node:test';
 import { claimPointer, releasePointer } from './inputOwnership.js';
 import * as Cesium from 'cesium';
+import { useBhoteKoshiPanelStore } from '../ui/stores/bhoteKoshiPanel.js';
+import { useImagerySplitStore } from '../ui/stores/imagerySplit.js';
+import { applicationPinia } from '../ui/vueRuntime.js';
 import { SOURCE_PATH_BEAT_IDS } from './bhoteKoshiShotPaths.js';
 import {
   BHOTE_KOSHI_LAYER_ID,
@@ -36,6 +39,95 @@ import { SceneDirector } from '../scenes/director.js';
 const eventUrl = new URL('../../public/events/bhote-koshi-2026/event.json', import.meta.url);
 const eventModuleUrl = new URL('./bhoteKoshiEvent.js', import.meta.url);
 
+/** The event's divider as the imagery split store holds it, or undefined. */
+const eventSplit = () =>
+  useImagerySplitStore(applicationPinia()).splits.findLast(
+    (split) => split.view.id === 'bhote-koshi-split-line',
+  );
+
+// The panel controls the layer presents, by the selector the panel view gives each.
+const PANEL_REFS = {
+  '[data-role="imagery-comparison"]': 'imagerySection',
+  '[data-role="time"]': 'time',
+  '[data-role="caveat"]': 'caveat',
+  '[data-role="imagery-cloud-note"]': 'imageryCloudNote',
+  '[data-role="progress"]': 'progressInput',
+  '[data-role="split"]': 'splitInput',
+  '[data-role="timeline-label"]': 'timelineLabel',
+  '[data-role="beat-index"]': 'beatIndex',
+  '[data-role="beat-title"]': 'beatTitle',
+  '[data-role="beat-meta"]': 'beatMeta',
+  '[data-action="play"]': 'playButton',
+  '[data-action="play-scene"]': 'playSceneButton',
+  '[data-action="cinematic"]': 'cinematicButton',
+  '[data-action="story-replay"]': 'storyReplayButton',
+  '[data-action="corridor"]': 'corridorButton',
+  '[data-action="previous-beat"]': 'previousButton',
+  '[data-action="next-beat"]': 'nextButton',
+  '[data-action="open-source"]': 'openSourceButton',
+};
+// What each control calls, as the panel view wires it.
+const PANEL_EVENTS = {
+  playButton: { click: 'play' },
+  playSceneButton: { click: 'playScene' },
+  cinematicButton: { click: 'toggleCinematic' },
+  storyReplayButton: { click: 'replayCinematic' },
+  corridorButton: { click: 'focusCorridor' },
+  previousButton: { click: 'previousBeat' },
+  nextButton: { click: 'nextBeat' },
+  openSourceButton: { click: 'openActiveSource' },
+  progressInput: {
+    input: (controls, value) => controls.previewProgress(Number(value) / 1000),
+    change: (controls, value) => controls.commitProgress(Number(value) / 1000, { final: true }),
+  },
+  splitInput: { input: (controls, value) => controls.setSplit(Number(value) / 100) },
+};
+
+/**
+ * The event panel as the layer presents it to the panel store, or undefined
+ * while it is off. Controls read the latest presentation, and dispatching an
+ * event calls the connected controls as the panel view does.
+ */
+function eventPanel() {
+  const store = useBhoteKoshiPanelStore(applicationPinia());
+  if (!store.panel) return undefined;
+  const control = (key) => {
+    let typed = null;
+    const record = () => store.panel.refs[key];
+    return {
+      get textContent() { return record().textContent; },
+      get hidden() { return record().hidden; },
+      get disabled() { return record().disabled; },
+      get value() { return typed ?? record().value; },
+      set value(value) { typed = value; },
+      getAttribute: (name) => record().attributes[name] ?? null,
+      dispatch(type) {
+        const value = typed ?? record().value;
+        typed = null;
+        const handler = PANEL_EVENTS[key]?.[type];
+        return typeof handler === 'function'
+          ? handler(store.controls, value)
+          : store.controls[handler]?.();
+      },
+    };
+  };
+  const named = (name) => ({ dispatch: () => store.controls[name]() });
+  return {
+    querySelector(selector) {
+      if (selector === '.bhote-event-report-list') {
+        return {
+          children: store.panel.reports.map((_, index) => ({
+            dispatch: () => store.controls.openReport(index),
+          })),
+        };
+      }
+      if (selector === '[data-action="geolocation-map"]') return named('openGeolocationMap');
+      if (selector === '[data-action="close"]') return named('close');
+      return control(PANEL_REFS[selector]);
+    },
+  };
+}
+
 class FakeElement {
   constructor(tagName = 'div') {
     this.tagName = tagName;
@@ -840,6 +932,7 @@ test('Bhote Koshi disable preserves an operator-selected map and tears down ever
   const originalDocument = globalThis.document;
   const originalWindow = globalThis.window;
   const { body, removedProperties } = installEventDom();
+  assert.equal(eventSplit(), undefined, 'no divider is left from an earlier test');
   const clearedTimeouts = [];
   globalThis.window = {
     setTimeout: () => 71,
@@ -879,7 +972,8 @@ test('Bhote Koshi disable preserves an operator-selected map and tears down ever
     assert.equal(await layer.enable(viewer, { origin: 'scene' }), true);
     assert.equal(viewer._test.imagery.length, 2);
     assert.equal(viewer._test.dataSources.length, 1);
-    assert.equal(body.children.length, 2);
+    assert.ok(eventPanel());
+    assert.ok(eventSplit());
 
     activeMap = 'operator-choice';
     generation += 1;
@@ -888,7 +982,8 @@ test('Bhote Koshi disable preserves an operator-selected map and tears down ever
     assert.deepEqual(mapCalls, ['esri-imagery']);
     assert.equal(viewer._test.removedImagery.length, 2);
     assert.equal(viewer._test.removedDataSources.length, 1);
-    assert.ok(body.children.every((element) => element.removed));
+    assert.equal(eventPanel(), undefined);
+    assert.equal(eventSplit(), undefined);
     assert.equal(viewer.scene.splitPosition, 0.37);
     assert.deepEqual(clearedTimeouts, [71]);
     assert.ok(overlayCalls.some(([kind]) => kind === 'clear'));
@@ -934,7 +1029,7 @@ test('Bhote Koshi disable stops active playback and releases its global render h
 
   try {
     await layer.enable(viewer, { origin: 'scene' });
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     assert.equal(panel.querySelector('[data-action="play-scene"]').hidden, true);
     assert.equal(await panel.querySelector('[data-action="play-scene"]').dispatch('click'), false);
     panel.querySelector('[data-action="play"]').dispatch('click');
@@ -1075,6 +1170,7 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
   const originalRequestAnimationFrame = globalThis.requestAnimationFrame;
   const originalCancelAnimationFrame = globalThis.cancelAnimationFrame;
   const { body } = installEventDom();
+  assert.equal(eventSplit(), undefined, 'no divider is left from an earlier test');
   const timers = [];
   const openedUrls = [];
   const cancelledFrames = [];
@@ -1181,11 +1277,10 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
     assert.deepEqual(timers, []);
     assert.equal(viewer._test.imagery.length, 2, 'the event surface keeps its cached imagery pair');
     assert.ok(viewer._test.imagery.every((imageryLayer) => imageryLayer.show === false));
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     assert.ok(panel);
-    const splitLine = body.children.find((element) => element.id === 'bhote-koshi-split-line');
-    assert.ok(splitLine);
-    assert.equal(splitLine.hidden, true);
+    assert.ok(eventSplit());
+    assert.equal(eventSplit().view.hidden, true);
     assert.equal(panel.querySelector('[data-role="imagery-comparison"]').hidden, true);
     assert.match(panel.querySelector('[data-role="caveat"]').textContent, /SCHEMATIC CORRIDOR/i);
     assert.doesNotMatch(panel.querySelector('[data-role="caveat"]').textContent, /historical/i);
@@ -1220,8 +1315,6 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
     assert.equal(panel.querySelector('[data-action="cinematic"]').disabled, true);
     assert.equal(panel.querySelector('[data-action="corridor"]').hidden, false);
     assert.equal(panel.querySelector('[data-action="corridor"]').disabled, false);
-    assert.doesNotMatch(panel.innerHTML, /data-action="witness"|◎ WITNESS/);
-    assert.match(panel.innerHTML, /data-action="open-source"/);
     const fullStory = panel.querySelector('[data-action="story-replay"]');
     assert.equal(fullStory.textContent, '↺ FULL STORY');
     assert.equal(fullStory.hidden, true, 'PLAY SCENE owns authored scene playback');
@@ -1240,30 +1333,27 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
       beatId: 'timure-cluster',
       sceneControls: { imageryComparison: true },
     }, { origin: 'scene' });
-    assert.equal(splitLine.hidden, false);
+    assert.equal(eventSplit().view.hidden, false);
     assert.equal(panel.querySelector('[data-role="imagery-comparison"]').hidden, false);
     assert.ok(viewer._test.imagery.every((imageryLayer) => imageryLayer.show === true));
-    const splitHandle = splitLine.children.find(
-      (element) => element.className === 'bhote-koshi-split-handle',
-    );
-    assert.ok(splitHandle);
-    assert.equal(splitHandle.textContent, '↔');
-    assert.equal(splitHandle.getAttribute('aria-valuenow'), '62');
-    splitHandle.dispatch('pointerdown', {
+    assert.equal(eventSplit().view.handleClass, 'bhote-koshi-split-handle');
+    assert.equal(eventSplit().view.valueNow, 62);
+    const splitHandle = eventSplit().controls;
+    splitHandle.pointerdown({
       button: 0,
       clientX: 250,
       pointerId: 4,
       preventDefault() {},
     });
-    splitHandle.dispatch('pointermove', {
+    splitHandle.pointermove({
       clientX: 750,
       pointerId: 4,
       preventDefault() {},
     });
-    splitHandle.dispatch('pointerup', { pointerId: 4 });
+    splitHandle.pointerup({ pointerId: 4 });
     assert.equal(viewer.scene.splitPosition, 0.75);
-    assert.equal(splitHandle.getAttribute('aria-valuenow'), '75');
-    splitHandle.dispatch('keydown', {
+    assert.equal(eventSplit().view.valueNow, 75);
+    splitHandle.keydown({
       key: 'ArrowLeft',
       shiftKey: true,
       preventDefault() {},
@@ -1276,7 +1366,7 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
       split: 0.62,
       sceneControls: {},
     }, { origin: 'scene' });
-    assert.equal(splitLine.hidden, true);
+    assert.equal(eventSplit().view.hidden, true);
     assert.ok(viewer._test.imagery.every((imageryLayer) => imageryLayer.show === false));
     assert.equal(viewer.scene.splitPosition, 0.62);
     assert.equal(overlayVisibility.at(-1).visible, false);
@@ -1347,7 +1437,7 @@ test('Bhote Koshi scene beats preserve photoreal and never take camera ownership
     assert.equal(layer.getCinematicState().active, false);
     assert.equal(viewer._test.cameraLooks.length, 0);
     assert.deepEqual(mapCalls, []);
-    assert.equal(body.children.filter((element) => element.tagName === 'aside').length, 1);
+    assert.ok(eventPanel());
     assert.equal(viewer.scene.splitPosition, 0.62);
     for (const beatId of [
       'debris-dammed-lake',
@@ -1594,7 +1684,7 @@ test('Bhote Koshi publishes the evidence spine once and scrubs through cards and
     assert.equal(breadcrumbs.filter((entry) => entry.position()).length, 0);
     assert.ok(cards.every((entry) => entry.requireImage && entry.image.stamp === 1));
 
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     const progress = panel.querySelector('[data-role="progress"]');
     progress.value = '285';
     progress.dispatch('input');
@@ -1685,7 +1775,7 @@ test('Bhote Koshi keeps one local fallback video active and unloads it on beat c
     videos[0].dispatch('loadeddata');
     assert.equal(layer.getCinematicState().mediaReady, true);
 
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     const progress = panel.querySelector('[data-role="progress"]');
     progress.value = '285';
     progress.dispatch('input');
@@ -1808,7 +1898,7 @@ test('Upper Valley Collapse autoplays its muted local fallback without starting
     assert.ok(video.pauseCalls >= 1);
     assert.ok(video.cancelledFrameHandles.length >= 1);
     assert.equal(layer.getCinematicState().mediaEvidenceId, null);
-    assert.equal(body.children.find((element) => element.tagName === 'aside')?.removed, false);
+    assert.ok(eventPanel());
     await layer.disable();
   } finally {
     globalThis.document = originalDocument;
@@ -2121,10 +2211,8 @@ test('Bhote Koshi beat controls keep cards, flood, camera, and panel on the one
 
   try {
     await layer.enable(viewer, { origin: 'local-restore' });
-    const panel = body.children.find((element) => element.tagName === 'aside');
-    assert.match(panel.innerHTML, /2021 HISTORICAL REFERENCE \/ 2026 POST-EVENT/);
-    assert.match(panel.innerHTML, /RECONSTRUCTION CLOCK/);
-    assert.match(panel.innerHTML, /OPEN PUBLIC MAP/);
+    const panel = eventPanel();
+    assert.equal(panel.querySelector('[data-role="timeline-label"]').textContent, 'RECONSTRUCTION CLOCK');
     const entries = publications[0].entries;
     const cards = entries.filter((entry) => entry.variant === 'thumbnail');
     const breadcrumbs = entries.filter((entry) => entry.variant === 'label');
@@ -2203,7 +2291,7 @@ test('Bhote Koshi beat controls keep cards, flood, camera, and panel on the one
   }
 });
 
-test('Bhote Koshi repeated event frames perform no panel lookup, DOM write, or camera churn', async () => {
+test('Bhote Koshi repeated event frames republish no panel and churn no camera', async () => {
   const event = JSON.parse(await readFile(eventUrl, 'utf8'));
   const originalDocument = globalThis.document;
   const originalWindow = globalThis.window;
@@ -2238,26 +2326,19 @@ test('Bhote Koshi repeated event frames perform no panel lookup, DOM write, or c
 
   try {
     await layer.enable(viewer, { origin: 'local-restore' });
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     const cinematic = panel.querySelector('[data-action="cinematic"]');
     const progress = panel.querySelector('[data-role="progress"]');
     cinematic.dispatch('click');
     progress.value = '500';
     progress.dispatch('input');
 
-    const queryCount = panel._queryCount;
-    const writeCount = [...panel._selectors.values()].reduce((sum, element) => (
-      sum + element._writeCount
-    ), 0);
+    const panelStore = useBhoteKoshiPanelStore(applicationPinia());
+    const published = panelStore.panel;
     const cameraLookCount = viewer._test.cameraLooks.length;
     for (let index = 0; index < 20; index += 1) progress.dispatch('input');
 
-    assert.equal(panel._queryCount, queryCount, 'hot path uses cached panel references');
-    assert.equal(
-      [...panel._selectors.values()].reduce((sum, element) => sum + element._writeCount, 0),
-      writeCount,
-      'unchanged frames do not rewrite panel state',
-    );
+    assert.ok(panelStore.panel === published, 'unchanged frames do not republish the panel');
     assert.equal(
       viewer._test.cameraLooks.length,
       cameraLookCount,
@@ -2328,7 +2409,7 @@ test('Bhote Koshi cinematic camera stays synchronized through pause and determin
 
   try {
     await layer.enable(viewer, { origin: 'local-restore' });
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     panel.querySelector('[data-action="cinematic"]').dispatch('click');
     assert.equal(layer.getCinematicState().active, true);
     assert.equal(layer.getPlaybackState().playing, true);
@@ -2413,7 +2494,7 @@ test('Bhote Koshi replay restores cinematic ownership unless the operator releas
 
   try {
     await layer.enable(viewer, { origin: 'local-restore' });
-    const panel = body.children.find((element) => element.tagName === 'aside');
+    const panel = eventPanel();
     panel.querySelector('[data-action="cinematic"]').dispatch('click');
     animationCallbacks[0](91001);
     assert.equal(layer.getPlaybackState().progress, 1);

src/data/bhoteKoshiLocator.js

@@ -12,7 +12,7 @@ import {
 } from './dataCredits.js';
 import { BHOTE_KOSHI_FLOOD_PATH } from './bhoteKoshiFloodPath.js';
 import { INCIDENT_OVERVIEW_PLACES } from './bhoteKoshiIncidentPlaces.js';
-import { t, msg, getLocale } from '../i18n/index.js';
+import { t, msg, getLocale, isolate } from '../i18n/index.js';
 
 const BHOTE_KOSHI_LOCATOR_LAYER_ID = 'bhote-koshi-locator';
 export const BHOTE_KOSHI_LOCATOR_OVERLAY_SOURCE_ID =
@@ -67,7 +67,10 @@ const PLACE_TITLE_TEXT = new Map(
 
 function placeTitle(title) {
   const text = PLACE_TITLE_TEXT.get(title);
-  return text ? t(text).toLocaleUpperCase(getLocale()) : title;
+  // Isolated: the card draws left to right after its "11 · " counter, so in
+  // Arabic a translated title with a Latin place name («نقطة الإطلالة في
+  // DANDAGAUN») must keep its own right-to-left order.
+  return text ? isolate(t(text).toLocaleUpperCase(getLocale())) : title;
 }
 
 const INCIDENT = Object.freeze({

src/data/bhoteKoshiPanelView.test.mjs

@@ -0,0 +1,212 @@
+// src/data/bhoteKoshiPanelView.test.mjs — the context rail renders the Bhote
+// Koshi reconstruction panel the event layer presents and sends its clicks
+// and slider moves back.
+import '../testSupport/registerDom.mjs';
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { createApp, nextTick } from 'vue';
+import { createPinia } from 'pinia';
+import { useBhoteKoshiPanelStore } from '../ui/stores/bhoteKoshiPanel.js';
+import ContextView from '../ui/views/ContextView.vue';
+
+const record = (initial = {}) => ({
+  textContent: '',
+  hidden: false,
+  disabled: false,
+  value: '',
+  attributes: {},
+  ...initial,
+});
+
+function presentation(patch = {}) {
+  return {
+    owner: {},
+    sceneBeat: false,
+    beforeDate: { name: 'Historical reference', date: '2021-05-01' },
+    afterDate: { name: 'Post-event', date: '' },
+    reports: [
+      { label: 'Report A', status: 'Verified' },
+      { label: 'Report B', status: 'Unverified' },
+    ],
+    refs: {
+      imagerySection: record(),
+      observedStatus: record(),
+      time: record({ textContent: '~0:00 / 2:00' }),
+      caveat: record({ textContent: 'Schematic only.' }),
+      imageryCloudNote: record(),
+      playButton: record({ textContent: '▶ PLAY' }),
+      playSceneButton: record({ textContent: '▶ PLAY SCENE', hidden: true }),
+      cinematicButton: record({
+        textContent: '◉ CINEMATIC',
+        attributes: { 'aria-pressed': 'false' },
+      }),
+      storyReplayButton: record({ textContent: '↺ FULL STORY' }),
+      corridorButton: record(),
+      previousButton: record({
+        disabled: true,
+        attributes: { 'aria-label': 'Previous story beat' },
+      }),
+      nextButton: record({ attributes: { 'aria-label': 'Next story beat' } }),
+      openSourceButton: record(),
+      progressInput: record({
+        value: '0',
+        attributes: { 'aria-label': 'Schematic downstream progression' },
+      }),
+      splitInput: record({ value: '50' }),
+      splitReadout: record({ textContent: '50 / 50' }),
+      timelineLabel: record({ textContent: 'RECONSTRUCTION CLOCK' }),
+      beatIndex: record({ textContent: '01 / 06' }),
+      beatTitle: record({ textContent: 'CAUSE' }),
+      beatMeta: record({ textContent: 'CAPTURE TIME UNVERIFIED' }),
+    },
+    ...patch,
+  };
+}
+
+function fixture(t) {
+  document.body.replaceChildren();
+  const pinia = createPinia();
+  const app = createApp(ContextView).use(pinia);
+  app.mount(document.body.appendChild(document.createElement('div')));
+  t.after(() => app.unmount());
+  const store = useBhoteKoshiPanelStore(pinia);
+  const calls = [];
+  store.connect(
+    new Proxy(
+      {},
+      {
+        get:
+          (_, name) =>
+          (...args) =>
+            calls.push([name, ...args]),
+      },
+    ),
+  );
+  const rail = document.getElementById('right-context-rail');
+  const $ = (selector) => rail.querySelector(selector);
+  return { store, calls, rail, $ };
+}
+
+test('the panel renders last in the context rail and marks the rail while on', async (t) => {
+  const { store, rail, $ } = fixture(t);
+  assert.equal($('#bhote-koshi-event-panel'), null);
+  assert.equal(rail.classList.contains('bhote-event-active'), false);
+  store.publish(presentation());
+  await nextTick();
+  const panel = $('#bhote-koshi-event-panel');
+  assert.equal(panel.tagName, 'ASIDE');
+  assert.ok(rail.lastElementChild === panel);
+  assert.ok(rail.classList.contains('ui-scroll'));
+  assert.ok(rail.classList.contains('bhote-event-active'));
+  assert.equal(
+    panel.getAttribute('aria-label'),
+    'Bhote Koshi flood reconstruction controls',
+  );
+  assert.match(
+    panel.textContent,
+    /2021 HISTORICAL REFERENCE \/ 2026 POST-EVENT/,
+  );
+  assert.match(panel.textContent, /RECONSTRUCTION CLOCK/);
+  assert.match(panel.textContent, /OPEN PUBLIC MAP/);
+  assert.equal(
+    $('[data-role="before-date"]').textContent,
+    'Historical reference · 2021-05-01',
+  );
+  assert.equal(
+    $('[data-role="before-date"] .bhote-event-date').textContent,
+    '2021-05-01',
+  );
+  assert.equal($('[data-role="after-date"]').textContent, 'Post-event');
+  assert.equal($('[data-role="after-date"] .bhote-event-date'), null);
+  assert.equal($('[data-action="play-scene"]').hidden, true);
+  assert.ok($('[data-action="open-source"]'));
+  assert.equal($('[data-action="witness"]'), null);
+  assert.doesNotMatch(panel.innerHTML, /witness/i);
+  assert.equal($('[data-action="previous-beat"]').disabled, true);
+  assert.equal($('[data-action="previous-beat"]').title, 'Previous story beat');
+  assert.equal(
+    $('[data-action="cinematic"]').getAttribute('aria-pressed'),
+    'false',
+  );
+  assert.equal($('[data-action="play"]').hasAttribute('aria-label'), false);
+  assert.equal($('[data-role="progress"]').value, '0');
+  assert.equal($('[data-role="split"]').value, '50');
+  assert.equal($('summary').textContent, 'FIELD REPORTS · 2');
+  assert.deepEqual(
+    [...$('.bhote-event-report-list').children].map(
+      (button) => button.textContent,
+    ),
+    ['Report AVerified', 'Report BUnverified'],
+  );
+  store.publish(null);
+  await nextTick();
+  assert.equal($('#bhote-koshi-event-panel'), null);
+  assert.equal(rail.classList.contains('bhote-event-active'), false);
+  assert.ok(rail.classList.contains('ui-scroll'));
+});
+
+test('a later presentation updates the controls in place', async (t) => {
+  const { store, $ } = fixture(t);
+  store.publish(presentation());
+  await nextTick();
+  const play = $('[data-action="play"]');
+  const next = presentation({ sceneBeat: true });
+  next.refs.playButton = record({
+    textContent: '▶ PLAY SHOT',
+    disabled: true,
+    attributes: { 'aria-label': 'Play Global context' },
+  });
+  next.refs.progressInput = record({ value: '250', hidden: true });
+  next.refs.imagerySection = record({ hidden: true });
+  store.publish(next);
+  await nextTick();
+  assert.ok($('[data-action="play"]') === play);
+  assert.equal(play.textContent, '▶ PLAY SHOT');
+  assert.equal(play.disabled, true);
+  assert.equal(play.getAttribute('aria-label'), 'Play Global context');
+  assert.ok(
+    $('#bhote-koshi-event-panel').classList.contains('bhote-event-scene-beat'),
+  );
+  assert.equal($('[data-role="progress"]').value, '250');
+  assert.equal($('[data-role="progress"]').hidden, true);
+  assert.equal($('[data-role="imagery-comparison"]').hidden, true);
+});
+
+test('buttons, sliders and reports call the connected controls', async (t) => {
+  const { store, calls, $ } = fixture(t);
+  store.publish(presentation());
+  await nextTick();
+  for (const action of [
+    'close',
+    'play',
+    'cinematic',
+    'story-replay',
+    'open-source',
+    'corridor',
+    'next-beat',
+    'geolocation-map',
+  ])
+    $(`[data-action="${action}"]`).click();
+  $('.bhote-event-report-list').children[1].click();
+  const progress = $('[data-role="progress"]');
+  progress.value = '500';
+  progress.dispatchEvent(new Event('input'));
+  progress.dispatchEvent(new Event('change'));
+  const split = $('[data-role="split"]');
+  split.value = '25';
+  split.dispatchEvent(new Event('input'));
+  assert.deepEqual(calls, [
+    ['close'],
+    ['play'],
+    ['toggleCinematic'],
+    ['replayCinematic'],
+    ['openActiveSource'],
+    ['focusCorridor'],
+    ['nextBeat'],
+    ['openGeolocationMap'],
+    ['openReport', 1],
+    ['previewProgress', 0.5],
+    ['commitProgress', 0.5, { final: true }],
+    ['setSplit', 0.25],
+  ]);
+});

src/data/boundaryLabels.test.mjs

@@ -0,0 +1,162 @@
+// Outline names are drawn by the DOM annotation overlay, never as Cesium
+// text labels: the boundary data modules, the outline resolver and the
+// annotation renderers must not import or construct Cesium label primitives,
+// and drawing a bundled outline must create none at runtime.
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import * as Cesium from 'cesium';
+import { FEATURE_SOURCE_METHODS } from '../sources/featureSource.js';
+import { createAnnotationResolver } from '../annotations/resolver.js';
+import { createWorldAnnotationRenderer } from '../annotations/worldAnnotationRenderer.js';
+
+const read = (path) => readFileSync(new URL(path, import.meta.url), 'utf8');
+
+/** Pure data modules: no Cesium at all. */
+const DATA_MODULES = [
+  './adminBoundaries.js',
+  './placeBoundaries.js',
+  './neighborhoodPolygons.js',
+  './local_data/us_census_places/files.js',
+  './local_data/wof_neighborhoods/files.js',
+];
+
+/** Modules that use Cesium for outlines but must not draw text with it. */
+const CESIUM_MODULES = [
+  '../annotations/resolver.js',
+  '../annotations/worldAnnotationRenderer.js',
+  '../annotations/hybridAnnotationRenderer.js',
+];
+
+/** The DOM overlay: callout elements, never Cesium label primitives. */
+const OVERLAY_MODULES = ['../annotations/screenAnnotationRenderer.js'];
+
+const LABEL_PRIMITIVES = [
+  /\bLabelCollection\b/,
+  /\bLabelGraphics\b/,
+  /\bLabelStyle\b/,
+  /\bLabelVisualizer\b/,
+];
+
+/** Entity label options, inline or assigned later. */
+const ENTITY_LABELS = [
+  // `label: { text: … }` or `label: new …`
+  /\blabel\s*:\s*\{[^{}]*\btext\s*:/s,
+  /\blabel\s*:\s*new\b/,
+  // `label: labelOptions` (anything but `null`)
+  /\blabel\s*:\s*(?!null\b)[A-Za-z_$][\w$]*\s*[,}\n]/,
+  // `entity.label = …`
+  /\.label\s*=(?!=)/,
+];
+
+test('boundary data modules never import Cesium', () => {
+  for (const path of DATA_MODULES) {
+    const source = read(path);
+    assert.doesNotMatch(source, /from\s+['"]cesium['"]/, path);
+    assert.doesNotMatch(source, /import\(\s*['"]cesium['"]/, path);
+  }
+});
+
+test('outline modules and renderers construct no Cesium labels', () => {
+  for (const path of [...DATA_MODULES, ...CESIUM_MODULES, ...OVERLAY_MODULES])
+    for (const pattern of LABEL_PRIMITIVES)
+      assert.doesNotMatch(read(path), pattern, `${path}: ${pattern}`);
+  for (const path of [...DATA_MODULES, ...CESIUM_MODULES])
+    for (const pattern of ENTITY_LABELS)
+      assert.doesNotMatch(read(path), pattern, `${path}: ${pattern}`);
+});
+
+test('the static check catches a Cesium label however it is written', () => {
+  const offending = [
+    'viewer.scene.primitives.add(new Cesium.LabelCollection());',
+    "viewer.entities.add({ position, label: { text: 'Austin' } });",
+    'const graphics = new LabelGraphics({ text });',
+    'viewer.entities.add({ position, label: labelOptions });',
+    'entity.label = new Cesium.LabelGraphics(options);',
+    'entity.label = options;',
+  ];
+  const all = [...LABEL_PRIMITIVES, ...ENTITY_LABELS];
+  for (const source of offending)
+    assert.ok(
+      all.some((pattern) => pattern.test(source)),
+      source,
+    );
+  // Data, not Cesium labels: a result's label point, a stripped proxy label.
+  for (const source of [
+    'label: geometry.label,',
+    'liveProxy(anno, { label: null });',
+    'if (entity.label === x) {}',
+  ])
+    assert.ok(!ENTITY_LABELS.some((p) => p.test(source)), source);
+});
+
+test('drawing bundled place and neighborhood outlines creates no Cesium label', async (t) => {
+  // Cesium's material setup checks for these browser image types.
+  for (const name of [
+    'HTMLCanvasElement',
+    'HTMLImageElement',
+    'ImageBitmap',
+    'OffscreenCanvas',
+  ]) {
+    if (name in globalThis) continue;
+    globalThis[name] = class {};
+    t.after(() => delete globalThis[name]);
+  }
+  const featureSource = {};
+  for (const method of FEATURE_SOURCE_METHODS)
+    featureSource[method] = async () => null;
+  const { resolveAnnotationTarget } = createAnnotationResolver({
+    featureSource,
+  });
+  const primitives = [];
+  const dataSources = [];
+  const viewer = {
+    camera: {
+      positionCartographic: Cesium.Cartographic.fromDegrees(
+        -97.7431,
+        30.2672,
+        3000,
+      ),
+    },
+    scene: { primitives: { add: (p) => primitives.push(p) } },
+    dataSources: {
+      add: (ds) => dataSources.push(ds),
+      remove() {},
+    },
+  };
+  const renderer = createWorldAnnotationRenderer(viewer);
+  for (const [target, lon, lat] of [
+    ['Austin', -97.7431, 30.2672],
+    ['Notting Hill', -0.2, 51.511],
+  ]) {
+    viewer.camera.positionCartographic = Cesium.Cartographic.fromDegrees(
+      lon,
+      lat,
+      3000,
+    );
+    const resolved = await resolveAnnotationTarget({
+      // The resolver reads only the camera (no scene to pick from).
+      viewer: { camera: viewer.camera },
+      target,
+      footprint: true,
+      deferFootprint: true,
+    });
+    assert.equal(resolved.source, 'bundled', target);
+    renderer.add({
+      id: target,
+      type: 'area',
+      label: resolved.label,
+      ring: resolved.ring,
+      polygons: resolved.polygons,
+      footprintKind: resolved.footprintKind,
+      synthesized: resolved.synthesized,
+      anchor: { lon: resolved.lon, lat: resolved.lat, height: 0 },
+      color: 'primary',
+    });
+  }
+  assert.equal(primitives.length, 0, 'no primitive collections');
+  const entities = dataSources.flatMap((ds) => ds.entities.values);
+  assert.ok(entities.length >= 2, 'the outlines were drawn');
+  for (const entity of entities) assert.equal(entity.label, undefined);
+  renderer.destroy();
+});

src/data/cctv.test.mjs

@@ -25,9 +25,6 @@ function componentFunctionSource(fn) {
     .replace(/\(\s+/g, '(');
 }
 import assert from 'node:assert/strict';
-import fs from 'node:fs';
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
 import * as Cesium from 'cesium';
 import cctvLayer, {
   CCTV_PROJECTION_OVERLAY_SOURCE_OPTIONS,
@@ -83,16 +80,6 @@ import {
   LIVE_CAMERA_COLOR,
 } from '../layers/cctv/policy.js';
 
-const CCTV_PRESENTATION_SOURCE = fs.readFileSync(
-  path.join(
-    path.dirname(fileURLToPath(import.meta.url)),
-    '..',
-    'ui',
-    'cctvPresentation.js',
-  ),
-  'utf8',
-);
-
 const ASPECT = 16 / 9;
 const toRad = (deg) => (deg * Math.PI) / 180;
 const GESTURE_TYPES = {
@@ -1302,20 +1289,6 @@ test('CCTV null-active coverage, auto-hop, cycling, and panel targets stay hones
     assert.equal(cctvCycleIndex(-1, -1, records.length), records.length - 1);
     assert.equal(cctvCycleIndex(2, 1, records.length), 0);
     assert.equal(cctvCycleIndex(0, -1, records.length), records.length - 1);
-
-    const renderer = CCTV_PRESENTATION_SOURCE.match(
-      /_renderCctvState\(state\) \{[\s\S]*?\n\}\n/,
-    );
-    assert.ok(renderer, '_renderCctvState is missing');
-    assert.match(
-      renderer[0],
-      // Nothing active clears the pick; only the outside-view note may show.
-      /else if \(!activeId\)[\s\S]*?selectedIndex =[^;]*\? 0 : -1;/,
-    );
-    assert.match(
-      renderer[0],
-      /_cctvFocusBtn\.disabled\s*=\s*!enabled\s*\|\|\s*catalogCount === 0\s*\|\|\s*!activeId/,
-    );
   } finally {
     cctvLayer.setParams({ autoHop: false });
     _setCctvOverlayHostForTest();

src/data/dataCredits.js

@@ -25,11 +25,11 @@ import * as Cesium from 'cesium';
  * follows DATA_SOURCES.md (live sources, then bundled snapshots).
  * @type {{ key: string, html: string }[]}
  */
-const OSM_CREDIT = {
+export const OSM_CREDIT = {
   key: 'openstreetmap',
   html: 'Map and place data <a href="https://www.openstreetmap.org/copyright" target="_blank" rel="noopener">© OpenStreetMap contributors</a> (<a href="https://opendatacommons.org/licenses/odbl/1-0/" target="_blank" rel="noopener">ODbL</a>)',
 };
-const OPENMAPTILES_CREDIT = {
+export const OPENMAPTILES_CREDIT = {
   key: 'openfreemap',
   html: 'Vector tiles: <a href="https://openfreemap.org" target="_blank" rel="noopener">OpenFreeMap</a> © <a href="https://openmaptiles.org" target="_blank" rel="noopener">OpenMapTiles</a>',
 };
@@ -538,15 +538,26 @@ export const NATURAL_EARTH_CREDIT = {
     '<a href="https://www.naturalearthdata.com" target="_blank" rel="noopener">Natural Earth</a> (public domain)',
 };
 
-/** Registered when the first bundled US county outline resolves (public
- * domain — credited as a courtesy). */
+/** Registered when the first bundled US county or place outline resolves
+ * (public domain — credited as a courtesy). */
 export const US_CENSUS_CREDIT = {
   key: 'us-census-counties',
   html:
-    'US county boundaries from the ' +
+    'US county and place boundaries from the ' +
     '<a href="https://www.census.gov/geographies/mapping-files/time-series/geo/cartographic-boundary.html" target="_blank" rel="noopener">U.S. Census Bureau</a> (public domain)',
 };
 
+/** Registered when the first bundled Who's On First neighborhood outline
+ * resolves. The link leads to the pack's per-source credits and licences and
+ * says how the boundaries were modified. */
+export const WOF_CREDIT = {
+  key: 'wof-neighborhoods',
+  html:
+    'Neighborhood boundaries: ' +
+    '<a href="https://whosonfirst.org/docs/licenses/" target="_blank" rel="noopener">Who\'s On First</a> and contributors, simplified (' +
+    '<a href="https://github.com/bilawalsidhu/gods-eye-view/blob/main/src/data/local_data/wof_neighborhoods/ATTRIBUTION.md" target="_blank" rel="noopener">sources and licences</a>)',
+};
+
 /**
  * Per-feed transit credit, registered the first time that feed's vehicles
  * render (see `src/data/transitFeeds.js` for the license of each).

src/data/detectionPolicy.test.mjs

@@ -1,4 +1,4 @@
-import { expandApplicationHtml } from '../../build/application-html.js';
+import { renderApplicationHtml } from '../testSupport/applicationHtml.mjs';
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import fs from 'node:fs';
@@ -19,7 +19,7 @@ import {
 } from './detectionPolicy.js';
 import { KEYHOLE_OUTSIDE_OPACITY_DEFAULT } from '../celestialRing.js';
 
-const indexHtml = expandApplicationHtml(fs.readFileSync(new URL('../../index.html', import.meta.url), 'utf8'));
+const indexHtml = await renderApplicationHtml(fs.readFileSync(new URL('../../index.html', import.meta.url), 'utf8'));
 
 test('side aircraft brackets stay readable without changing zero-opacity intent', () => {
   assert.equal(detectionBracketAlpha('AIR', 0), 0);

src/data/directions.test.mjs

@@ -849,6 +849,8 @@ test('route numbers follow the page language and never break from their unit', (
   assert.equal(routeDistanceText(994), '990\u00a0m');
   assert.equal(routeDistanceText(996), '1.0\u00a0km');
   assert.equal(routeDistanceText(1500), '1.5\u00a0km');
+  assert.equal(routeDistanceText(9940), '9.9\u00a0km');
+  assert.equal(routeDistanceText(9960), '10\u00a0km');
   assert.equal(routeDistanceText(2_345_000), '2345\u00a0km');
   assert.equal(routeDurationText(39), '39\u00a0s');
   assert.equal(routeDurationText(59.4), '59\u00a0s');

src/data/distanceFormat.js

@@ -0,0 +1,43 @@
+/**
+ * Kilometre decimals for a distance: one below 10 km, none from there on.
+ * The cut is taken on the tenth that prints, so 9.96 km reads 10 km, not 10.0.
+ * @param {number} meters
+ * @returns {0|1}
+ */
+export function kilometreDigits(meters) {
+  return Math.round(meters / 100) < 100 ? 1 : 0;
+}
+
+/**
+ * The unit and precision a distance prints with: metres below 1 km, then
+ * kilometres with `kilometreDigits`. Metres round to `metreStep` (10 for tens),
+ * except below `exactBelowM`, where they stay whole. Each cut is taken after
+ * rounding, so 999.6 m reads 1.0 km rather than 1000 m.
+ * @param {number} meters
+ * @param {{metreStep?: number, exactBelowM?: number}} [options]
+ * @returns {{value: number, unit: 'm'|'km', digits: 0|1}|null} null for a
+ *   distance that is negative or not finite. The value is already rounded to
+ *   `digits`, so toFixed and Intl render it the same way.
+ */
+export function distanceParts(meters, { metreStep = 1, exactBelowM = 0 } = {}) {
+  if (!Number.isFinite(meters) || meters < 0) return null;
+  const step = meters < exactBelowM ? 1 : metreStep;
+  const shownMeters = Math.round(meters / step) * step;
+  if (shownMeters < 1000) return { value: shownMeters, unit: 'm', digits: 0 };
+  const digits = kilometreDigits(meters);
+  const value =
+    digits === 1 ? Math.round(meters / 100) / 10 : Math.round(meters / 1000);
+  return { value, unit: 'km', digits };
+}
+
+/**
+ * Plain `850 m` / `4.6 km` / `12 km` text for labels that are not localized.
+ * @param {number} meters
+ * @param {{metreStep?: number, exactBelowM?: number}} [options]
+ * @returns {string|null}
+ */
+export function formatDistanceText(meters, options) {
+  const parts = distanceParts(meters, options);
+  if (!parts) return null;
+  return `${parts.value.toFixed(parts.digits)} ${parts.unit}`;
+}

src/data/distanceFormat.test.mjs

@@ -0,0 +1,50 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  distanceParts,
+  formatDistanceText,
+  kilometreDigits,
+} from './distanceFormat.js';
+
+test('a distance switches to kilometres where its metres round to 1,000', () => {
+  assert.equal(formatDistanceText(999.4), '999 m');
+  assert.equal(formatDistanceText(999.5), '1.0 km');
+  assert.equal(formatDistanceText(999.6), '1.0 km');
+  assert.equal(formatDistanceText(994, { metreStep: 10 }), '990 m');
+  assert.equal(formatDistanceText(995, { metreStep: 10 }), '1.0 km');
+});
+
+test('kilometres drop their decimal where the tenth rounds to 10.0', () => {
+  assert.equal(kilometreDigits(9949), 1);
+  assert.equal(kilometreDigits(9950), 0);
+  assert.equal(formatDistanceText(9949), '9.9 km');
+  assert.equal(formatDistanceText(9950), '10 km');
+  assert.equal(formatDistanceText(9960), '10 km');
+  assert.equal(formatDistanceText(99950), '100 km');
+});
+
+test('metres below exactBelowM stay whole while the rest round to the step', () => {
+  const options = { metreStep: 10, exactBelowM: 100 };
+  assert.equal(formatDistanceText(8, options), '8 m');
+  assert.equal(formatDistanceText(99.4, options), '99 m');
+  assert.equal(formatDistanceText(846, options), '850 m');
+  assert.deepEqual(distanceParts(846, options), {
+    value: 850,
+    unit: 'm',
+    digits: 0,
+  });
+});
+
+test('a negative or non-finite distance has no parts', () => {
+  for (const value of [-1, Number.NaN, Infinity, -Infinity, null, undefined]) {
+    assert.equal(distanceParts(value), null);
+    assert.equal(formatDistanceText(value), null);
+  }
+  assert.equal(formatDistanceText(0), '0 m');
+});
+
+test('kilometres come back rounded, so toFixed and Intl agree', () => {
+  assert.deepEqual(distanceParts(1450), { value: 1.5, unit: 'km', digits: 1 });
+  assert.equal(formatDistanceText(1450), '1.5 km');
+  assert.equal(formatDistanceText(1150), '1.2 km');
+});

src/data/firmsCards.test.mjs

@@ -14,6 +14,7 @@ import {
   FIRMS_OVERLAY_SOURCE_ID,
 } from './firmsLabels.js';
 import { FIRE_ANCHOR_LIFT_M } from './fireAnchors.js';
+import { getLocale, setLocale } from '../i18n/index.js';
 import { reportMeshFloorCell, setMeshFloorPreferred } from './groundFloor.js';
 
 const NOW = Date.UTC(2026, 6, 17, 4, 0);
@@ -100,6 +101,30 @@ test('buildCellCard: plural noun, max FRP and newest age, accent passthrough', (
   assert.equal(card.accent, accentForSeverity('orange'));
 });
 
+test('buildCellCard: the count picks the plural form of the language', () => {
+  const title = (count) =>
+    buildCellCard(
+      {
+        cell: { count, maxFrp: 10, newestAcqMs: 0 },
+        position: { x: 0, y: 0, z: 0 },
+      },
+      NOW,
+    ).title;
+  const previous = getLocale();
+  try {
+    assert.equal(title(1), '1 FIRE');
+    setLocale('ar');
+    assert.deepEqual(
+      [2, 3, 14].map((count) => title(count).replace(/[\u2068\u2069]/g, '')),
+      ['حريقان (2)', '3 حرائق', '14 حريقًا'],
+    );
+    setLocale('ru');
+    assert.equal(title(14), '14 ПОЖАРОВ');
+  } finally {
+    setLocale(previous);
+  }
+});
+
 // Owner field finding 2026-07-21: anchors must sit on the DEM once the shared
 // ground floor is warm — and the cached per-fire position must re-anchor when
 // the floor lands AFTER the first (cold, height-0) render. Distinct coords

src/data/firmsProxy.test.mjs

@@ -3,6 +3,7 @@ import fs from 'node:fs';
 import test from 'node:test';
 import { EventEmitter } from 'node:events';
 import dns from 'node:dns/promises';
+import dnsLookup from 'node:dns';
 import https from 'node:https';
 import net from 'node:net';
 import { Readable } from 'node:stream';
@@ -258,7 +259,8 @@ test('the IPv4 retry answering an invalid reason phrase rejects instead of crash
 
 // The fixtures above copy Node's error shape; check it against a real fetch so
 // a Node or undici change that stops matching fails here instead of silently
-// disabling the retry. A closed port on `localhost` refuses both addresses.
+// disabling the retry. A closed port refuses both loopback addresses; resolve
+// `localhost` to both here, since some hosts map it to 127.0.0.1 only.
 test('a real all-addresses connect failure is recognised as address selection', async (t) => {
   const probe = net.createServer();
   try {
@@ -272,7 +274,10 @@ test('a real all-addresses connect failure is recognised as address selection',
   const v4 = net.createServer();
   await new Promise((resolve, reject) => v4.once('error', reject).listen(port, '127.0.0.1', resolve));
   await new Promise((resolve) => v4.close(resolve));
+  const loopback = [{ address: '::1', family: 6 }, { address: '127.0.0.1', family: 4 }];
+  const lookup = t.mock.method(dnsLookup, 'lookup', (_host, _options, callback) => callback(null, loopback));
   const err = await fetch(`http://localhost:${port}/`).then(() => null, (error) => error);
+  assert.equal(lookup.mock.callCount(), 1, 'fetch resolves localhost through dns.lookup');
   assert.ok(err, 'a closed port refuses the connection');
   assert.equal(isAddressSelectionFailure(err), true, describeFetchError(err));
   assert.match(describeFetchError(err), /ECONNREFUSED .*; .*ECONNREFUSED/);

src/data/fixtures/README.md

@@ -41,3 +41,14 @@
   2026-09-25. Each record names its XYZ tile and expected traffic eligibility.
   Modified, test-only OpenStreetMap data; same ODbL attribution and database
   share-alike terms as the OpenFreeMap fixtures above.
+
+- `ofm-outlines-austin-14-3743-{6745,6746}.pbf` — OpenFreeMap / OpenMapTiles
+  z14 tiles from
+  `https://tiles.openfreemap.org/planet/20260913_164504_pt/{z}/{x}/{y}.pbf`,
+  retrieved 2026-09-28. Trimmed to the `transportation_name` features for
+  Congress Avenue, South Congress Avenue and East 11th Street, and the
+  `building` features within about 150 m of the Texas Capitol and the
+  `landcover` park polygon around it, preserving
+  original geometry and dictionaries. Used by the street and building outline
+  tests. Same OpenFreeMap / OpenMapTiles / OpenStreetMap attribution and ODbL
+  1.0 share-alike terms as the fixtures above. Test-only.

src/data/fixtures/ofm-outlines-austin-14-3743-6746.pbf

@@ -0,0 +1,175 @@
+¬
+transportation_name\œÝ”�
—
—
–
—
—
—
">	Ú	€BŠ
-3oxÇ:Ñ
Nƒø
çÀ
Ë‚£~—ˆ
�ô©~§Ð‡b—è
ó:©

+ref_lengthsubclassrefclassnamename_int
+name:latinname_dename_enname:esroute_1_refroute_2_networkroute_1_networkroute_2_refnetworklayer"0"
+
+junction"
+233"
+
+motorway"
+232"0"
+234B"
+234A"
+South Interstate 35"
+secondary_construction"
+
+The Circle"	
+footway"
+path"$
+"Lady Bird Lake Hike and Bike Trail"
+
+cycleway"
+Waller Creek Greenbelt Trail"&
+$Ann & Roy Butler Hike and Bike Trail"
+North Interstate 35"
+path_construction"
+Woodland Trail"
+Harper's Branch Connection"
+steps"
+
+Snake Path"
+Sendero del Serpiente"
+Nellie Street Crossing"
+Woodland Avenue"
+
Alameda Drive"
+minor"
+
Forest Avenue"
+South 2nd Street"
+	Post Road"
+
Taylor Street"
+Pecan Grove Road"
+East Avenue"
+Fletcher Street"
+Lockhart Drive"
+Alta Vista Avenue"
+
Retama Street"
+Haywood Avenue"
+
Ramona Street"
+Ravine Drive"
+Betty Jo Drive"
+
Spence Street"
+
+Rebel Road"
+Bickler Road"
+Clifton Street"
+Columbus Street"
+Reagan Terrace"
+Daniel Drive"
+East Mary Street"
+Lindell Avenue"
+Drake Avenue"
+Mariposa Drive"
+Travis Heights Boulevard"
+Christopher Street"
+
+Music Lane"
+
Flores Street"
+Sunset Lane"
+
Mission Ridge"
+Oak Heights Drive"
+Bonniview Street"
+Algarita Avenue"
+Edgecliff Terrace"
+Melissa Lane"
+
+Sunny Lane"
+Le Grande Avenue"
+
Avondale Road"
+Milam Place"
+Fairmount Avenue"
+River Street"
+
Garden Street"
+Rosedale Terrace"
+Nash Hernandez Senior Road"
+West Monroe Street"
+Gillespie Place"
+Newning Avenue"
+West James Street"
+College Avenue"
+Sylvan Drive"
+
Leland Street"
+Bonham Terrace"
+Sunny Vale Street"
+Bartlett Street"
+Ebony Street"
+Lupine Lane"
+
Terrace Drive"
+
Newton Street"
+Parkinson Drive"
+Inglewood Street"
+Manlove Street"
+
Academy Drive"
+Clermont Avenue"
+Copeland Street"
+South 3rd Street"
+Crockett Street"
+East Gibson Street"
+West Gibson Street"
+
Summit Street"
+Chelsea Lane"
+
Willow Street"
+San Marcos Street"
+East Side Drive"
+Lone Oak Drive"
+East Elizabeth Street"
+West Elizabeth Street"
+
Lambie Street"
+
Wilson Street"
+
+Eva Street"
+Roma Street"
+
Waller Street"
+Elmhurst Drive"
+Kenwood Avenue"
+Brackenridge Street"
+Hillside Avenue"
+East Milton Street"
+West Milton Street"
+
Fairlawn Lane"
+
Euclid Avenue"
+Rutherford Place"
+Cummings Street"
+Nickerson Street"
+
Nellie Street"
+	Park Lane"
+Bellaire Drive"
+West Johanna Street"
+Post Oak Street"
+
Rainey Street"
+Taylor Gaines Street"
+
Harwood Place"
+Brooklyn Street"
+
Jewell Street"	
+LBJ Way"
+
Bierce Street"
+Festival Beach Road"
+Art Dilly Drive"
+Haskell Street"
+Holly Street"
+
+tertiary"
+West Mary Street"
+West Live Oak Street"
+East Live Oak Street"
+East Monroe Street"
+Bouldin Avenue"
+East Annie Street"
+West Annie Street"
+Dawson Road"
+	secondary"
+South 1st Street"
+West Oltorf Street"
+East Riverside Drive"	
+primary"
+South Congress Avenue"
+Barton Springs Road"
+35"
+Purple Heart Trail"
+US:US"
+US:I"
+290"
+
us-interstate"0"
+
Skyline Views"
+Blunn Creek Connection"
+Waterfront Promenade"
+Hartman Bridge"0(€ x

src/data/geoFileImport.js

@@ -65,7 +65,8 @@ const KML_REMOVED_ELEMENTS = new Set([
 /**
  * An error whose message is meant for the person who chose the file. The
  * message stays English; `template` and `values`, when given, let the UI show
- * it in the active language.
+ * it in the active language. Numbers stay numbers in `values`: the UI formats
+ * them in that language's numerals.
  */
 export class GeoImportError extends Error {
   constructor(message, template = message, values = {}) {
@@ -259,7 +260,7 @@ function overLimitError({ over, features }) {
     return new GeoImportError(
       `That file creates more than ${MAX_IMPORT_ENTITIES.toLocaleString()} map objects (the limit).`,
       msg('That file creates more than {limit} map objects (the limit).'),
-      { limit: MAX_IMPORT_ENTITIES.toLocaleString() },
+      { limit: MAX_IMPORT_ENTITIES },
     );
   if (over === 'links')
     return new GeoImportError(
@@ -267,13 +268,13 @@ function overLimitError({ over, features }) {
       msg(
         'That file has more than {limit} style definitions and image links after cleanup (the limit).',
       ),
-      { limit: MAX_KML_LINKS.toLocaleString() },
+      { limit: MAX_KML_LINKS },
     );
   if (over === 'features')
     return new GeoImportError(
       `That file has more than ${MAX_IMPORT_ENTITIES.toLocaleString()} features (the limit).`,
       msg('That file has more than {limit} features (the limit).'),
-      { limit: MAX_IMPORT_ENTITIES.toLocaleString() },
+      { limit: MAX_IMPORT_ENTITIES },
     );
   const limit = MAX_IMPORT_POSITIONS.toLocaleString();
   if (features)
@@ -282,12 +283,12 @@ function overLimitError({ over, features }) {
       msg(
         'That file has more than {limit} points (the limit) across {features} features.',
       ),
-      { limit, features: features.toLocaleString() },
+      { limit: MAX_IMPORT_POSITIONS, features },
     );
   return new GeoImportError(
     `That file has more than ${limit} points (the limit).`,
     msg('That file has more than {limit} points (the limit).'),
-    { limit },
+    { limit: MAX_IMPORT_POSITIONS },
   );
 }
 
@@ -1466,8 +1467,8 @@ export async function loadGeoFile(
       `That file has ${entityCount.toLocaleString()} map objects; the limit is ${MAX_IMPORT_ENTITIES.toLocaleString()}.`,
       msg('That file has {count} map objects; the limit is {limit}.'),
       {
-        count: entityCount.toLocaleString(),
-        limit: MAX_IMPORT_ENTITIES.toLocaleString(),
+        count: entityCount,
+        limit: MAX_IMPORT_ENTITIES,
       },
     );
   }

src/data/headingDegrees.js

@@ -0,0 +1,19 @@
+/** Normalize a heading into the [0, 360) range; 0 when it is not finite. */
+export function normalizeHeading(value) {
+  if (!Number.isFinite(value)) return 0;
+  // Only a negative remainder takes the extra turn, so a positive bearing
+  // keeps its precision (0.49999999999999 must not become 360.5).
+  const remainder = value % 360;
+  const wrapped = remainder < 0 ? remainder + 360 : remainder;
+  return wrapped === 360 ? 0 : wrapped;
+}
+
+/**
+ * Whole degrees for display, 0–359. 359.5° and above rounds to north (0),
+ * and negative or multi-turn values wrap. Null when the value is not finite,
+ * so each caller keeps its own placeholder.
+ */
+export function roundHeadingDegrees(value) {
+  if (!Number.isFinite(value)) return null;
+  return Math.round(normalizeHeading(value)) % 360;
+}

src/data/headingDegrees.test.mjs

@@ -0,0 +1,47 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { normalizeHeading, roundHeadingDegrees } from './headingDegrees.js';
+
+test('normalizeHeading wraps into [0, 360) and reads a non-finite value as 0', () => {
+  assert.equal(normalizeHeading(370), 10);
+  assert.equal(normalizeHeading(-10), 350);
+  assert.equal(normalizeHeading(720), 0);
+  assert.equal(normalizeHeading(Number.NaN), 0);
+  assert.equal(normalizeHeading(Infinity), 0);
+});
+
+test('roundHeadingDegrees reads 359.5° and above as north, never 360', () => {
+  assert.equal(roundHeadingDegrees(359.4), 359);
+  assert.equal(roundHeadingDegrees(359.5), 0);
+  assert.equal(roundHeadingDegrees(359.6), 0);
+  assert.equal(roundHeadingDegrees(360), 0);
+  assert.equal(roundHeadingDegrees(0), 0);
+  assert.equal(roundHeadingDegrees(194.2), 194);
+});
+
+test('roundHeadingDegrees wraps negative and multi-turn bearings', () => {
+  assert.equal(Object.is(roundHeadingDegrees(-0.4), 0), true);
+  assert.equal(roundHeadingDegrees(-0.6), 359);
+  assert.equal(roundHeadingDegrees(-1), 359);
+  assert.equal(roundHeadingDegrees(719.6), 0);
+  assert.equal(roundHeadingDegrees(-360.6), 359);
+});
+
+test('roundHeadingDegrees returns null for a value that is not finite', () => {
+  for (const value of [
+    Number.NaN,
+    Infinity,
+    -Infinity,
+    null,
+    undefined,
+    '12',
+  ]) {
+    assert.equal(roundHeadingDegrees(value), null);
+  }
+});
+
+test('normalizeHeading keeps a positive bearing just under a half degree', () => {
+  assert.equal(roundHeadingDegrees(0.49999999999999), 0);
+  assert.equal(roundHeadingDegrees(359.49999999999994), 359);
+  assert.equal(normalizeHeading(-1e-15) < 360, true);
+});

src/data/layerSnapshot.js

@@ -17,6 +17,7 @@ export const LAYER_FEED_STATES = Object.freeze([
   'loading',
   'degraded',
   'stale',
+  'partial',
   'fallback',
   'unavailable',
 ]);
@@ -27,6 +28,7 @@ export const LAYER_FEED_STATE_LABELS = Object.freeze({
   loading: 'LOADING',
   degraded: 'DEGRADED',
   stale: 'STALE',
+  partial: 'PARTIAL',
   fallback: 'FALLBACK',
   unavailable: 'UNAVAILABLE',
 });
@@ -48,8 +50,9 @@ export const FEED_STATE_SEVERITY = Object.freeze({
   degraded: 2,
   stale: 3,
   fallback: 4,
-  nominal: 5,
-  off: 6,
+  partial: 5,
+  nominal: 6,
+  off: 7,
 });
 
 export { layerFeedState } from './feedState.js';
@@ -90,7 +93,7 @@ export function snapshotAgeLabel(lastUpdate, now = Date.now()) {
 /**
  * Pick the most severe feed-state from a list.
  * @param {Iterable<string|null|undefined>} states Feed-state strings.
- * @returns {'nominal'|'loading'|'degraded'|'stale'|'fallback'|'unavailable'|'off'|null}
+ * @returns {'nominal'|'loading'|'degraded'|'stale'|'partial'|'fallback'|'unavailable'|'off'|null}
  */
 export function worstFeedState(states) {
   let worst = null;
@@ -205,6 +208,8 @@ export function feedProvenanceNote(layers = [], overall = null) {
     return `${s.name || s.id} is ${String(s.feedState).toUpperCase()}${extras ? ` (${extras})` : ''}`;
   });
   const body = bits.join('; ') || `${String(overall).toUpperCase()} feed`;
+  if (overall === 'partial')
+    return `${body}. Narrate that coverage is incomplete with any count; do not claim full coverage.`;
   return `${body}. Narrate that provenance with any count; do not describe this as live.`;
 }
 
@@ -251,3 +256,63 @@ export function viewStateLayerRow(layer, options) {
     lastUpdate: snap.lastUpdate,
   };
 }
+
+/**
+ * The feed state and up to two layer names of a provenance envelope that is
+ * not nominal, or null; the worst layers come first, so the names match the
+ * state. Values stay English (`state` is a feed-state id, `names` are
+ * `layer.name`); the HUD translates them for display.
+ * @param {{ overall?: string|null, layers?: Array<object> }|null} envelope
+ * @returns {{ state: string, names: string[] }|null}
+ */
+export function provenanceTag(envelope) {
+  const overall = envelope?.overall;
+  if (!overall || overall === 'nominal' || overall === 'off') return null;
+  const names = (envelope.layers || [])
+    .filter(
+      (s) => s.feedState && s.feedState !== 'nominal' && s.feedState !== 'off',
+    )
+    .sort(
+      (a, b) =>
+        FEED_STATE_SEVERITY[a.feedState] - FEED_STATE_SEVERITY[b.feedState],
+    )
+    .map((s) => String(s.name || s.id || 'LAYER'))
+    .slice(0, 2);
+  return { state: overall, names };
+}
+
+const upperCase = (word) => word.toUpperCase();
+
+/**
+ * `STATE | text | LAYERS`: the state leads so a narrow readout never clips
+ * it; the layer names trail so they never push out the text.
+ * @param {string} text
+ * @param {{ state: string, names: string[] }|null} tag From `provenanceTag`.
+ * @param {(state: string) => string} [stateLabel]
+ * @param {(name: string) => string} [layerLabel]
+ * @returns {string}
+ */
+export function provenanceLine(
+  text,
+  tag,
+  stateLabel = upperCase,
+  layerLabel = upperCase,
+) {
+  if (!tag) return text;
+  return [stateLabel(tag.state), text, tag.names.map(layerLabel).join('/')]
+    .filter(Boolean)
+    .join(' | ');
+}
+
+/**
+ * Require a matching feedState for warning states: a view that is not
+ * nominal falls back on a missing or different state.
+ * @param {{ feedState?: string|null }|null} response The proxy's reply.
+ * @param {{ overall?: string|null }|null} provenance The context's envelope.
+ * @returns {boolean}
+ */
+export function hudSummaryMatchesProvenance(response, provenance) {
+  const state = provenance?.overall;
+  if (!state || state === 'nominal' || state === 'off') return true;
+  return response?.feedState === state;
+}

src/data/layerSnapshot.test.mjs

@@ -11,6 +11,7 @@ import {
   layerFeedState,
   layerSnapshot,
   layerSnapshots,
+  provenanceTag,
   snapshotAgeLabel,
   snapshotAgeSec,
   viewStateLayerRow,
@@ -90,7 +91,15 @@ test('layerFeedState matches the chip classifier for every honesty class', () =>
 test('chip labels and severity cover every feed-state the envelope can emit', () => {
   assert.deepEqual(
     [...LAYER_FEED_STATES],
-    ['nominal', 'loading', 'degraded', 'stale', 'fallback', 'unavailable'],
+    [
+      'nominal',
+      'loading',
+      'degraded',
+      'stale',
+      'partial',
+      'fallback',
+      'unavailable',
+    ],
   );
   assert.deepEqual([...SNAPSHOT_FEED_STATES], [...LAYER_FEED_STATES, 'off']);
   for (const state of LAYER_FEED_STATES) {
@@ -107,6 +116,33 @@ test('chip labels and severity cover every feed-state the envelope can emit', ()
   assert.equal(worstFeedState([]), null);
 });
 
+test('partial is a feed-state of its own: above nominal, below every fault', () => {
+  const layer = (id, stats) => ({ id, name: id, enabled: true, stats });
+  const partial = layer('flights', {
+    partial: true,
+    count: 4,
+    lastUpdate: NOW,
+  });
+  const nominal = layer('vessels', { count: 9, lastUpdate: NOW });
+  const stale = layer('cctv', { stale: true, count: 2, lastUpdate: NOW });
+  const overall = (layers) =>
+    feedProvenanceEnvelope(layers, { now: NOW }).overall;
+  assert.equal(overall([partial]), 'partial');
+  assert.equal(overall([partial, nominal]), 'partial');
+  assert.equal(overall([nominal, partial]), 'partial');
+  assert.equal(overall([partial, stale]), 'stale');
+  assert.equal(overall([stale, partial]), 'stale');
+  assert.equal(LAYER_FEED_STATE_LABELS.partial, 'PARTIAL');
+  const note = feedProvenanceEnvelope([partial], { now: NOW }).note;
+  assert.match(note, /coverage is incomplete/);
+  assert.doesNotMatch(note, /do not describe this as live/);
+  assert.equal(
+    FEED_STATE_SEVERITY.fallback < FEED_STATE_SEVERITY.partial &&
+      FEED_STATE_SEVERITY.partial < FEED_STATE_SEVERITY.nominal,
+    true,
+  );
+});
+
 test('a disabled layer is off even when leftover stats would read stale', () => {
   const snap = layerSnapshot(
     {
@@ -258,3 +294,18 @@ test('age labels match the Data Layers meta clock', () => {
   assert.equal(snapshotAgeLabel(NOW - 240_000, NOW), '4m ago');
   assert.equal(snapshotAgeLabel(NOW - 7_200_000, NOW), '2h ago');
 });
+
+test('the warning tag names the layers in the reported state first', () => {
+  const tag = provenanceTag({
+    overall: 'unavailable',
+    layers: [
+      { name: 'Live Flights', feedState: 'partial' },
+      { name: 'Live AIS Vessels', feedState: 'partial' },
+      { name: 'CCTV', feedState: 'unavailable' },
+    ],
+  });
+  assert.deepEqual(tag, {
+    state: 'unavailable',
+    names: ['CCTV', 'Live Flights'],
+  });
+});

src/data/layerState.test.mjs

@@ -1,6 +1,6 @@
 import { encodeParams, decodeParams } from '../layers/streetLevel/params.js';
 import { readShellSource } from '../testSupport/readShellSource.mjs';
-import { expandApplicationHtml } from '../../build/application-html.js';
+import { renderApplicationHtml } from '../testSupport/applicationHtml.mjs';
 import { readLayerSource } from '../testSupport/readLayerSource.mjs';
 import test from 'node:test';
 import assert from 'node:assert/strict';
@@ -734,18 +734,27 @@ test('a fresh boot starts 3D aircraft ON in proximity — codec, both layers, an
     /this\.(?:flightState\.)?_models3dMode = 'proximity';/,
     'ui.js: and believes the mode is proximity',
   );
-  const html = expandApplicationHtml(
+  const html = await renderApplicationHtml(
     await readFile(new URL('../../index.html', import.meta.url), 'utf8'),
   );
   assert.match(
     html,
-    /class="pp-toggle-btn active" id="models3d-toggle" aria-pressed="true"/,
+    /<button(?=[^>]*\sid="models3d-toggle")(?=[^>]*\sclass="(?=[^"]*\bpp-toggle-btn\b)(?=[^"]*\bactive\b))(?=[^>]*\saria-pressed="true")/,
     'index.html: the 3D button paints lit on first paint, before ui.js runs — and says so',
   );
   assert.match(
     ui,
-    /this\._models3dBtn\?\.setAttribute\(\s*'aria-pressed',\s*String\(this\.(?:flightState\.)?_models3dEnabled\),?\s*\)/,
-    'ui.js: and keeps aria-pressed synchronized, so the lit state is not colour-only',
+    /this\._models3dPressedShown = this\._models3dEnabled;/,
+    'ui.js: and keeps the pressed state synchronized, so the lit state is not colour-only',
+  );
+  const panel = await readFile(
+    new URL('../ui/views/panels/DisplayPanel.vue', import.meta.url),
+    'utf8',
+  );
+  assert.match(
+    panel,
+    /:pressed="models3dOn" pressed-class="active" id="models3d-toggle"/,
+    'DisplayPanel.vue: the view renders aria-pressed with the lit state',
   );
   assert.match(
     html,

src/data/localReceiversProxy.test.mjs

@@ -1,6 +1,7 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import { readFileSync } from 'node:fs';
+import { rm } from 'node:fs/promises';
 import {
   LOCAL_RECEIVERS_ROUTE,
   createLocalReceiversHandler,
@@ -8,6 +9,10 @@ import {
   parseLocalReceiverFeeds,
 } from '../../server/providers/local-receivers.js';
 import { localProviderPlugins } from '../../server/providers/local.js';
+import { makeFixtureRoot } from '../tooling/fixtureRoot.mjs';
+
+const nominatimStorageDir = await makeFixtureRoot('gev-receivers-composition-');
+test.after(() => rm(nominatimStorageDir, { recursive: true, force: true }));
 
 const FIXTURE = readFileSync(
   new URL('./fixtures/adsb-austin-dump1090-aircraft.json', import.meta.url),
@@ -118,7 +123,7 @@ test('construction mounts the route once and neither parses nor fetches', (t) =>
   t.mock.method(globalThis, 'fetch', () => {
     throw Error('construction must not fetch');
   });
-  const plugins = localProviderPlugins();
+  const plugins = localProviderPlugins({ nominatimStorageDir });
   assert.equal(
     plugins.filter((plugin) => plugin.name === 'local-receivers-proxy').length,
     1,

src/data/local_data/us_census_places/AK.json

@@ -0,0 +1 @@
+{"st":"AK","state":"Alaska","fips":"02","features":[{"geoid":"0200065","name":"Adak","full":"Adak city","lsad":"city","polygons":[[[-1766965,518536,115,-143,3,-288,815,0,533,339,-114,0,-127,-30,-39,-2,-35,-34,-50,-11,-6,-11,-45,-3,16,41,-38,-6,-28,11,5,56,19,6,4,14,31,24,-8,17,19,7,6,10,68,10,-65,38,-44,-15,8,-20,-25,-19,-25,3,-15,11,-24,-11,-32,0,-36,11,-96,3,-27,-11,-40,10,-49,0,-37,-11,-67,4,-16,-29,-59,-8,-48,9,-14,17,-8,19,10,42,123,22,23,13,94,8,18,19,22,44,-22,21,-8,65,12,20,0,51,76,163,23,15,157,49,40,4,37,-5,36,24,63,24,115,22,75,-7,31,-11,2,-41,16,-15,45,8,10,9,-23,16,9,29,14,14,52,24,-16,30,5,17,25,18,8,25,24,20,-32,22,-34,3,-96,71,-41,98,-10,0,-17,49,-70,21,-455,7,-56,44,-56,10,-78,-32,-176,-51,-96,1,-9,-21,24,-39,-7,-48,23,-17,37,2,61,-18,23,2,12,-20,35,-26,4,-23,28,-14,-1,-22,-22,-33,7,-12,26,-11,23,0,22,-19,-13,-14,-111,0,-468,-437]]]},{"geoid":"0200650","name":"Akhiok","full":"Akhiok city","lsad":"city","polygons":[[[-1542668,569259,517,0,528,72,0,114,39,18,-7,13,36,12,-11,22,-21,-1,-5,20,-19,-4,53,42,9,18,-25,25,16,10,-1111,0]]]},{"geoid":"0200760","name":"Akiachak","full":"Akiachak CDP","lsad":"CDP","cdp":true,"polygons":[[[-1614587,609108,106,-27,47,9,21,-11,45,0,45,-14,-58,1,-41,10,-48,-4,38,-30,36,-13,147,-22,67,11,80,48,61,16,64,-4,91,-37,107,-82,66,27,34,28,-16,17,-54,22,-68,8,-33,35,42,19,63,14,30,-10,18,-26,5,-29,17,-16,25,-3,13,16,-23,19,19,18,61,4,35,-6,53,12,-4,10,-54,36,-3,42,-121,158,-29,-1,-30,22,19,18,-24,-2,-18,10,3,37,-117,-10,-76,18,-22,-4,-17,-24,-27,-2,-38,11,-15,34,-49,6,-46,-6,-79,-34,53,-21,-9,-24,37,-17,-32,-23,20,-27,-34,-3,-40,16,-20,-17,-23,-1,-7,-15,25,-13,-27,-13,-41,-6,4,-23,-20,-27,-55,44,-57,19,-7,-22,-24,-17,-3,-58,-96,-14]]]},{"geoid":"0200870","name":"Akiak","full":"Akiak city","lsad":"city","polygons":[[[-1612344,608917,445,0,-1,289,-446,0]]]},{"geoid":"0201090","name":"Akutan","full":"Akutan city","lsad":"city","polygons":[[[-1659430,541813,247,0,0,-578,246,0,0,-145,731,0,0,-145,738,0,0,145,736,0,-5,19,15,18,128,53,24,19,-5,14,-43,14,-9,25,9,34,-102,26,-36,-25,-35,-4,-19,-23,-7,-26,-131,-19,-83,-42,-131,-7,-7,32,-17,18,-62,0,-33,-34,-5,-33,-73,-24,-169,45,-93,4,-81,25,-61,-1,-36,23,-64,7,-60,24,-52,0,-59,17,-171,-2,-19,26,7,30,38,21,78,13,195,-20,31,-18,45,1,38,18,57,-5,29,15,95,2,64,16,57,41,114,40,88,-5,26,6,-45,33,-43,-3,-16,14,-10,30,-90,85,-38,10,-45,-6,-105,43,-67,-5,-68,22,-100,57,-81,-22,-38,-20,-33,3,-27,21,0,24,29,32,45,22,41,4,21,14,2,15,-45,17,-59,-14,-81,-48,-202,-163,-45,-3,-233,51,-55,25,-17,21,5,28,-57,22,-59,38,-24,32,2,21,55,35,26,7,10,54,26,23,31,10,19,25,-12,31,5,25,-67,76,-159,39,-69,7,-57,-19,-67,-36,-109,-12,-81,9,-43,14,-7,65,-40,31,0,19,-22,17,-47,-17,-22,-31]],[[-1656791,542343,100,-53,316,4,114,49,19,19,2,21,38,18,24,29,38,18,140,-22,95,-35,57,-50,22,-40,0,-46,-34,-30,-42,-16,-41,-44,-78,-3,-188,-89,-71,-19,-36,-45,-45,-29,-10,-31,50,-27,62,-77,50,-42,74,-29,145,-11,26,-24,-2,-40,-17,-57,-33,-36,-81,-50,-36,-42,-93,-66,-45,-15,-69,10,-102,-21,-43,-22,86,-10,43,-13,43,-23,0,-24,23,-17,45,-8,41,-22,28,-63,48,-10,12,-48,40,-21,31,22,57,4,240,-78,112,-4,17,31,33,12,90,3,36,22,14,57,26,23,33,11,19,46,-19,21,-59,26,-50,8,-90,-1,-12,18,19,18,26,4,29,21,-29,16,-5,21,69,15,50,29,41,6,38,-7,90,-46,-1,663,-493,0,-1,289,-106,0,0,145,-494,0,0,-145,-489,0]]]},{"geoid":"0201200","name":"Alakanuk","full":"Alakanuk city","lsad":"city","polygons":[[[-1647500,627112,305,0,4,-722,1568,0,0,144,308,0,-3,433,315,0,-1,289,-1249,1,1,144,-1248,0]]]},{"geoid":"0201305","name":"Alatna","full":"Alatna CDP","lsad":"CDP","cdp":true,"polygons":[[[-1530015,665958,25,-62,23,-27,81,-60,52,-5,44,-17,21,-46,120,-63,7,-16,-17,-35,8,-10,1,-71,39,-23,-47,-33,0,-16,68,-18,86,0,56,-9,-1,-7,94,-14,91,-1,64,-15,79,8,30,-16,41,6,72,-8,68,10,51,-5,120,37,44,0,24,11,36,-4,22,9,106,-19,20,-19,18,-2,18,-39,38,-12,74,-7,16,-11,-25,-3,-25,-53,-58,-19,-17,-20,-72,-5,-40,-27,2,-16,-37,-6,27,-19,-43,-4,11,-25,-43,-17,20,-13,-42,-2,4,-17,-92,-88,210,-6,187,5,329,-33,53,2,68,21,16,32,45,15,14,34,-6,42,-15,37,-25,36,-14,7,10,33,62,37,118,54,57,45,35,12,34,-1,71,-15,-8,-11,74,-4,70,8,53,12,100,68,76,26,158,12,68,-19,-1,345,163,0,13,15,-97,98,-33,-8,-642,14,-2462,147,5,-35,-47,-30]]]},{"geoid":"0201390","name":"Alcan Border","full":"Alcan Border CDP","lsad":"CDP","cdp":true,"polygons":[[[-1413223,626355,17,-62,101,-91,134,-59,3,-37,-57,-55,72,-56,-24,-3,16,-19,-12,-17,28,-10,-36,-2,23,-8,18,-26,14,1,-17,-23,70,-32,4,18,21,-17,5,17,52,-22,19,10,14,-10,29,1,24,14,14,-9,-26,-13,25,0,-24,-14,24,-11,42,0,-42,-20,66,5,-1,-16,24,-5,3,12,68,-26,-28,-13,36,-22,-9,-8,-53,-1,-22,-18,51,8,33,-5,9,-22,-14,-12,57,-15,19,9,30,-2,-14,-11,58,0,31,-21,-1,25,17,1,3,-16,18,-10,46,4,17,-4,-23,-5,64,-19,-10,12,46,4,-1,-13,38,-9,8,16,-27,12,66,2,14,17,0,-22,20,-5,75,6,6,12,27,-20,-19,-7,19,-12,-31,6,-17,-11,19,4,29,-16,4,12,19,-15,69,-14,-23,-24,31,-1,-17,11,61,2,22,10,5,-14,55,-12,-13,-27,36,-6,-2,16,30,-17,-1,12,25,-4,1,-12,67,13,14,-20,33,-6,56,16,-4,11,-38,6,62,23,33,3,3,9,38,-3,39,24,130,-27,30,-14,37,Line truncated

src/data/local_data/us_census_places/AL.json

@@ -0,0 +1 @@
+{"st":"AL","state":"Alabama","fips":"01","features":[{"geoid":"0100100","name":"Abanda","full":"Abanda CDP","lsad":"CDP","cdp":true,"polygons":[[[-855420,331037,13,-55,47,-73,4,-26,72,-49,-9,-23,-40,-43,-9,-29,46,9,98,0,42,22,0,43,83,21,-1,29,-96,106,-35,19,-34,-12,25,44,47,5,30,17,-7,45,-271,-6,0,-27]]]},{"geoid":"0100124","name":"Abbeville","full":"Abbeville city","lsad":"city","polygons":[[[-852958,315472,246,0,0,31,86,0,31,-64,-7,-118,77,1,2,38,88,-6,4,68,134,-5,-4,-53,91,-5,2,26,27,-2,-2,-26,34,-3,3,23,31,-2,2,28,-22,1,-9,14,-32,3,16,281,-9,147,-81,4,-7,72,-71,3,-12,72,-38,0,10,-71,-506,12,2,-190,-45,-4,-2,-124,-38,1]]]},{"geoid":"0100460","name":"Adamsville","full":"Adamsville city","lsad":"city","polygons":[[[-870488,336355,26,-1,16,8,1,-19,44,0,1,-72,212,0,-3,12,12,24,21,-1,1,-36,-23,1,0,-38,-47,1,0,-36,17,-16,17,-59,-32,1,1,-37,46,-1,8,65,18,-29,19,0,0,9,93,23,1,-181,11,-11,16,0,6,11,40,0,0,-18,-16,0,-20,-27,-9,0,0,-18,-30,18,2,-27,87,-1,1,54,5,0,1,-23,36,12,1,-25,23,0,2,18,14,-4,-19,-28,23,-5,-1,-36,-32,0,-11,15,-22,-15,0,-36,-22,0,0,-37,36,-36,48,-1,-1,-62,7,-10,55,-1,20,-49,11,27,36,21,5,-13,19,0,8,-9,10,14,-2,-16,53,-23,0,-22,-20,-16,-18,-42,8,-6,118,-20,43,-60,18,-9,36,-1,10,19,2,28,15,7,32,-21,63,2,-6,-4,27,-20,18,0,34,17,-5,18,-25,8,-1,9,17,7,-26,1,0,7,25,-1,0,14,-40,4,-11,18,-4,66,27,-5,9,10,6,-14,38,-6,0,-158,24,-59,16,0,5,-85,-10,-19,12,6,9,-15,-16,-5,-1,-50,-13,-7,39,-18,36,14,-18,10,13,23,-13,19,1,175,97,-11,1,9,-22,0,0,9,32,0,1,27,-154,1,1,112,43,-1,0,37,-18,0,0,-21,-21,0,0,14,-19,-5,15,13,0,29,28,-4,4,10,-32,1,2,69,-38,-18,-20,21,55,37,4,-18,80,-5,-2,16,-77,15,0,11,17,9,-4,21,-23,-7,10,-5,-1,-36,-15,0,1,30,-12,13,0,-13,-17,-4,11,21,-42,15,-1,-24,32,-2,0,-9,-63,-6,-5,34,7,27,-28,15,4,51,-39,9,-4,64,-58,-3,-29,4,-16,10,-5,-8,-20,7,3,14,84,-9,-4,38,-87,2,-1,60,-14,-3,-15,10,-6,16,-5,-26,-8,7,-42,-1,-83,-19,44,-1,1,-21,-25,-1,-20,10,1,-29,11,0,0,-18,-45,0,0,18,-37,9,-3,-26,-13,0,0,35,43,0,0,35,-40,0,0,10,-33,27,-27,0,8,-8,-14,-15,-3,23,-108,4,0,37,85,-3,0,66,8,6,81,1,-2,207,11,11,12,0,22,71,-141,3,1,53,-86,22,-44,0,-4,22,-37,-34,-5,-19,3,62,-27,-36,-24,-13,-28,21,-47,64,-35,35,-19,11,-20,-3,-27,-22,-48,-90,8,-19,19,0,-7,-20,17,1,0,5,34,-5,3,20,41,-18,-52,-36,-100,-38,-24,-34,-19,-47,1,-55,-21,0,-40,-23],[-869779,335825,89,-1,-1,73,174,-2,-1,-36,-86,1,-3,-110,-174,2]],[[-869343,335929,44,-1,1,37,35,-1,8,35,13,0,1,-19,15,-1,0,-16,15,0,-1,-37,43,-1,0,-30,-54,4,10,-9,152,-3,-7,11,28,-1,1,79,43,-1,0,-38,25,0,0,14,17,-12,-1,75,-40,5,-1,47,22,-1,-22,17,6,21,-28,0,0,-37,-56,1,1,65,-52,9,0,37,-43,0,0,-18,-23,0,22,-5,-1,-50,43,-1,1,-36,-108,3,-22,14,0,-13,-45,0,1,-28,23,1,3,-14,-69,5]],[[-869707,336730,6,-82,8,-5,-12,-14,-21,-80,66,0,14,26,43,35,-21,50,42,20,-8,13,-55,2,4,-18,-35,-3,-20,41,0,42,36,0,-3,10,-33,6,0,20,-19,9,-12,26,8,13,-16,0]]]},{"geoid":"0100484","name":"Addison","full":"Addison town","lsad":"town","polygons":[[[-872034,342013,49,-1,0,-44,15,-15,14,-1,6,15,12,0,4,-28,-15,-10,-33,-2,6,-24,21,0,22,28,10,0,1,-35,-13,-25,11,-39,64,0,-9,-7,13,-26,7,23,-7,10,7,79,44,0,1,27,38,0,0,-76,14,14,-2,26,35,1,4,19,16,0,0,15,156,0,0,-33,45,0,0,30,10,-2,14,14,0,15,-24,9,-45,-8,-8,14,0,68,-121,-1,1,71,43,4,0,-12,24,0,0,37,26,20,0,-13,14,0,1,15,-12,0,32,23,26,-13,15,29,-32,14,-94,-73,0,42,-85,0,0,-36,-133,1,0,-32,-51,0,0,-41,-42,-1,0,-34,-79,7,-17,-8]]]},{"geoid":"0100676","name":"Akron","full":"Akron town","lsad":"town","polygons":[[[-877497,328726,160,-2,1,29,-107,134,-53,-58]]]},{"geoid":"0100820","name":"Alabaster","full":"Alabaster city","lsad":"city","d":5,"polygons":[[[-8687877,3323076,438,-6,-8,-594,434,-7,-1,-140,769,-20,-8,-144,-99,-323,-240,6,-1,-257,268,-1,39,-153,163,-219,-185,3,-4,-36,-523,5,36,-59,477,-9,-6,-30,-285,-60,-89,2,187,-155,114,-12,-1,-67,43,-146,-181,208,-493,8,1,374,-301,1,-133,-40,5,-1042,432,-20,13,-2548,431,-15,-8,366,492,-10,83,357,-321,7,-41,-268,-218,-14,-19,1032,489,-38,-37,-73,300,20,-16,100,-115,341,260,-2,-3,-378,434,-7,-2,-368,291,-6,4,379,133,-47,-9,-703,452,-10,2,-351,1141,-31,153,-117,-5,-247,434,-10,6,366,177,52,-34,1,35,60,220,69,-119,-121,241,101,-60,-177,1,-500,481,-5,-8,-62,282,-6,4,553,-328,8,-1,94,-320,0,-62,158,-11,80,1019,-77,-185,-273,41,-538,141,-270,115,-60,347,78,57,-161,131,-6,-282,-224,311,-5,1,245,243,134,-151,177,-46,-33,-126,-38,0,387,29,172,242,-10,-1,-143,208,-11,32,240,432,-22,9,-862,16,-3,2,129,422,-13,-4,178,438,-6,1,180,589,-12,-571,1125,757,-25,-2,47,43,-1,27,-642,167,-252,214,-92,81,3,-7,361,445,-16,0,381,59,-109,888,-46,-166,307,241,102,78,-119,663,-16,7,735,-895,17,-5,125,-537,24,-129,215,-145,126,-67,-163,-496,-59,65,133,-136,5,-84,362,237,48,-186,210,-250,521,536,-34,-3,333,-67,55,-263,-19,-1,75,-220,-11,1,-80,-309,-11,-9,-186,202,-229,-176,-160,-186,151,-419,9,8,130,-689,34,-623,769,462,-2,-1,194,-234,30,-66,-116,-176,-106,-126,205,7,250,287,-98,307,-12,2,184,68,46,-4,116,-65,-4,-4,390,1094,-22,25,336,-32,4,4,-337,-1094,21,3,-395,69,-107,-150,-44,-176,150,-48,-206,-34,262,-137,166,-257,425,90,123,632,-15,-1,723,425,3,-3,356,437,Line truncated

src/data/local_data/us_census_places/AR.json

@@ -0,0 +1 @@
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src/data/local_data/us_census_places/AS.json

@@ -0,0 +1 @@
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src/data/local_data/us_census_places/AZ.json

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src/data/local_data/us_census_places/CA.json

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src/data/local_data/us_census_places/CO.json

@@ -0,0 +1 @@
+{"st":"CO","state":"Colorado","fips":"08","features":[{"geoid":"0800320","name":"Acres Green","full":"Acres Green CDP","lsad":"CDP","cdp":true,"polygons":[[[-1049042,395510,154,-2,15,30,13,3,4,9,-8,1,1,31,-32,1,-30,32,-42,6,-2,-9,-30,-1,-23,-10,0,-19,-26,0]]]},{"geoid":"0800620","name":"Aetna Estates","full":"Aetna Estates CDP","lsad":"CDP","cdp":true,"polygons":[[[-1046783,397364,94,0,0,-15,5,0,0,50,-99,-4]]]},{"geoid":"0800760","name":"Aguilar","full":"Aguilar town","lsad":"town","polygons":[[[-1046626,373994,26,3,32,-18,9,17,92,1,-34,28,0,22,-14,0,17,26,-3,22,-76,0,0,-49,-20,1,-5,-16,-24,0]]]},{"geoid":"0800870","name":"Air Force Academy","full":"Air Force Academy 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src/data/local_data/us_census_places/CT.json

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src/data/local_data/us_census_places/DC.json

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+{"st":"DC","state":"District of Columbia","fips":"11","features":[{"geoid":"1150000","name":"Washington","full":"Washington city","lsad":"city","polygons":[[[-771179,389324,13,-35,32,-37,71,-61,29,-62,22,-18,110,-69,80,-23,121,-12,19,-9,9,-6,38,-106,52,-85,31,-1,11,-9,30,-39,-2,-20,22,-25,28,6,7,17,-10,19,12,3,48,-40,15,-31,-2,-38,53,-72,23,-66,-28,-100,-40,-12,-57,9,-8,-17,1,-38,14,-15,23,5,20,-15,11,-36,-10,-72,17,-72,-15,-134,-1,-92,1296,1012,-1316,1023,-788,-608]]]}]}

src/data/local_data/us_census_places/DE.json

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src/data/local_data/us_census_places/FL.json

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src/data/local_data/us_census_places/GA.json

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src/data/local_data/us_census_places/GU.json

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src/data/local_data/us_census_places/HI.json

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src/data/local_data/us_census_places/IA.json

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src/data/local_data/us_census_places/ID.json

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src/data/local_data/us_census_places/IL.json

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src/data/local_data/us_census_places/IN.json

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src/data/local_data/us_census_places/KS.json

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src/data/local_data/us_census_places/KY.json

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src/data/local_data/us_census_places/LA.json

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src/data/local_data/us_census_places/MA.json

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src/data/local_data/us_census_places/MD.json

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src/data/local_data/us_census_places/ME.json

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truncated

src/data/local_data/us_census_places/MI.json

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src/data/local_data/us_census_places/MN.json

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truncated

src/data/local_data/us_census_places/MO.json

@@ -0,0 +1 @@
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