Merge remote-tracking branch 'origin/main' into german/hal-644-ar

# Conflicts:
#	docs/CURRENT-STATE.md
#	docs/TRANSLATORS.md
#	scripts/package-boundaries.json
#	src/hudLocalityFormat.js
#	src/i18n/index.js
#	src/i18n/locale.js
#	src/i18n/same-as-english.json
#	src/layers/cctv/presentation.js
#	src/scenes/recipes.js
#	src/ui/localePicker.test.mjs
#	src/ui/unitLabels.js

src/app/embed.test.mjs

@@ -146,6 +146,12 @@ test('an embedded page takes views only from its parent and answers it', async (
     id: 3,
     view: { camera: { lat: 1, lon: 2 }, layers: ['flights'] },
   });
+  // A view kept from before Snow was retired still applies, on Normal.
+  send(parent, {
+    type: 'gev:view',
+    id: 4,
+    view: { camera: { lat: 1, lon: 2 }, style: 'snow' },
+  });
   await new Promise((resolve) => setTimeout(resolve, 10));
   assert.deepEqual(posted[1], {
     type: 'gev:view-applied',
@@ -161,6 +167,13 @@ test('an embedded page takes views only from its parent and answers it', async (
         name === 'set_layer_visibility' && args.layerId === 'flights',
     ),
   );
+  assert.equal(posted[3].id, 4);
+  assert.equal(posted[3].ok, true);
+  assert.ok(
+    calls.some(
+      ([name, args]) => name === 'set_visual_style' && args.style === 'normal',
+    ),
+  );
   assert.equal(posted.filter((message) => message.id === 1).length, 0);
   // Ready names no data and goes to any parent; answers go only to the
   // origin that asked.
@@ -168,6 +181,7 @@ test('an embedded page takes views only from its parent and answers it', async (
     '*',
     'https://host.example',
     'https://host.example',
+    'https://host.example',
   ]);
   remove();
 });

src/celestialRing.test.mjs

@@ -87,7 +87,7 @@ test('circular angle distance remains small across the wrap point', () => {
 
 test('celestial ring is available only in Normal style', () => {
   assert.equal(isCelestialRingStyleSupported('normal'), true);
-  for (const style of ['retro', 'surveillance', 'thermal', 'anime', 'noir', 'snow']) {
+  for (const style of ['retro', 'surveillance', 'thermal', 'anime', 'noir']) {
     assert.equal(isCelestialRingStyleSupported(style), false);
   }
 });

src/cockpitMarkup.test.mjs

@@ -151,7 +151,7 @@ test('Cockpit vision cycle exposes every map preset exactly once', () => {
   );
   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*snow: t\('SNOW'\),?\s*\};/,
+    /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.doesNotMatch(setVisionMode.toString(), /none: 'NONE'/);
   assert.doesNotMatch(ui, /getInheritedVisionLabel/);

src/cockpitVisionPolicy.js

@@ -5,7 +5,6 @@ export const COCKPIT_VISION_MODES = Object.freeze([
   'thermal',
   'anime',
   'noir',
-  'snow',
 ]);
 
 const TARGET_STYLE_BY_MODE = Object.freeze({
@@ -14,7 +13,6 @@ const TARGET_STYLE_BY_MODE = Object.freeze({
   thermal: 'thermal',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 const COCKPIT_MODE_BY_STYLE = Object.freeze({
@@ -24,7 +22,6 @@ const COCKPIT_MODE_BY_STYLE = Object.freeze({
   thermal: 'thermal',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 /** Normalize a requested Cockpit vision mode to the unfiltered Normal entry. */

src/cockpitVisionPolicy.test.mjs

@@ -23,7 +23,6 @@ test('Cockpit vision order mirrors the unique map preset order', () => {
     'thermal',
     'anime',
     'noir',
-    'snow',
   ]);
   assert.equal(normalizeCockpitVisionMode('none'), 'optical');
   assert.equal(normalizeCockpitVisionMode('unknown'), 'optical');
@@ -36,7 +35,7 @@ test('Cockpit entry selects the vision mode equivalent to the active map style',
   assert.equal(cockpitVisionModeForStyle('thermal'), 'thermal');
   assert.equal(cockpitVisionModeForStyle('anime'), 'anime');
   assert.equal(cockpitVisionModeForStyle('noir'), 'noir');
-  assert.equal(cockpitVisionModeForStyle('snow'), 'snow');
+  assert.equal(cockpitVisionModeForStyle('snow'), 'optical');
   assert.equal(cockpitVisionModeForStyle('unsupported'), 'optical');
 });
 

src/data/aisLiveVessels.test.mjs

@@ -1719,3 +1719,50 @@ test('vessel selection passes the opaque source reference to optional history',
     aisLiveVesselsLayer.setSource(createVesselSource());
   }
 });
+
+test('vessel focus wire skips hidden sprites at rest while a target is tracked', () => {
+  const makeColor = (alpha) => ({ alpha, withAlpha: (next) => makeColor(next) });
+  const sprite = (show) => ({
+    position: { x: 1, y: 2, z: 3 },
+    show,
+    color: makeColor(1),
+  });
+  const visible = sprite(true);
+  const hidden = Array.from({ length: 50 }, () => sprite(false));
+  const records = [visible, ...hidden].map((billboard) => ({
+    position: billboard.position,
+    billboard,
+  }));
+  const target = {
+    screenRect: { left: 40, top: 40, right: 60, bottom: 60 },
+    paddingPx: 0,
+    cameraDistance: 1000,
+  };
+  let projected = 0;
+  let measured = 0;
+  const apply = (nowMs) =>
+    applyVesselFocusDeemphasis({
+      records,
+      target,
+      nowMs,
+      screenPositionFor: () => {
+        projected += 1;
+        return { x: 50, y: 50 };
+      },
+      cameraDistanceFor: () => {
+        measured += 1;
+        return 1200;
+      },
+      params: { paddingPx: 0, dimFloor: 0.25, attackMs: 300 },
+    });
+
+  apply(0);
+  const result = apply(300);
+
+  // Only the on-screen sprite pays for projection and distance.
+  assert.equal(projected, 2);
+  assert.equal(measured, 2);
+  assert.equal(visible.color.alpha, 0.25);
+  assert.equal(result.activeCount, 1);
+  for (const billboard of hidden) assert.equal(billboard.color.alpha, 1);
+});

src/data/directions.test.mjs

@@ -875,6 +875,13 @@ test('route numbers follow the page language and never break from their unit', (
   );
   const list = directionsStepList({ route });
   assert.equal(list.items[1].lead, '240\u00a0м');
+
+  // Japanese unit words follow the number: 1時間5分, but 1.5 km.
+  setLocale('ja');
+  assert.equal(routeDistanceText(1500), '1.5\u00a0km');
+  assert.equal(routeDurationText(39), '39秒');
+  assert.equal(routeDurationText(3900), '1時間5分');
+  assert.equal(routeDurationText(7200), '2時間');
 });
 
 test('ramp and lane wording stays localized after choosing the maneuver form', (t) => {
@@ -892,6 +899,12 @@ test('ramp and lane wording stays localized after choosing the maneuver form', (
       'Toma la salida bruscamente a la derecha',
       'Toma el carril izquierdo',
     ],
+    [
+      'ja',
+      'ランプを斜め左に進んでI-95に入る',
+      '出口を急角度で右に出る',
+      '左車線を通行',
+    ],
     [
       'zh-CN',
       '向左前方驶入匝道，进入 I-95',
@@ -919,3 +932,19 @@ test('ramp and lane wording stays localized after choosing the maneuver form', (
     );
   }
 });
+
+test('the reroute tooltip keeps German mode nouns capitalized', (t) => {
+  t.after(() => setLocale('en'));
+  const title = (id) =>
+    directionsRowControls(idle).chips.find((chip) => chip.id === id).title;
+  assert.equal(title('mode-foot'), 'Walk — reroute for walk');
+  setLocale('de');
+  assert.equal(
+    title('mode-foot'),
+    'Zu Fuß – Route im Modus „Zu Fuß“ neu berechnen',
+  );
+  assert.equal(
+    title('mode-bike'),
+    'Fahrrad – Route im Modus „Fahrrad“ neu berechnen',
+  );
+});

src/data/focusDeemphasis.js

@@ -555,6 +555,21 @@ export function advanceFocusEvidenceNowMs(deltaMs) {
   return _focusEvidenceNowMs;
 }
 
+/**
+ * True when a sprite holds no dimming state, or has settled at full emphasis
+ * with nothing pending. Advancing such a sprite without a screen position (a
+ * hidden sprite) changes neither its state nor its alpha, so a layer pass may
+ * skip it.
+ * @param {object} sprite
+ * @returns {boolean}
+ */
+export function spriteFocusAtRest(sprite) {
+  const state = _spriteStates.get(sprite);
+  return (
+    !state || (state.factor === 1 && state.desired === 1 && !state.wasFarther)
+  );
+}
+
 /** Forget state when a primitive is removed from its owning collection. */
 export function forgetSpriteFocus(sprite) {
   if (sprite) _spriteStates.delete(sprite);

src/data/trafficPresetStyle.js

@@ -20,7 +20,7 @@
  *    jam keeps a size bump so queues read as fat beads.
  *  - `crt` (retro): saturated primaries that survive 10-level posterization
  *    plus an all-bucket size boost to out-shout the pixel grid.
- *  - `normal` (normal/anime/snow/unknown): every lookup returns null/0 —
+ *  - `normal` (normal/anime/unknown): every lookup returns null/0 —
  *    the shipped palette and sizing apply untouched.
  *
  * Sim/uncovered dots (bucket null/'sim') are NEVER restyled under any

src/data/trafficPresetStyle.test.mjs

@@ -13,7 +13,7 @@ const luma = ([r, g, b]) => (0.299 * r + 0.587 * g + 0.114 * b) / 255;
 
 const BUCKETS = ['free', 'slow', 'jam'];
 const MONO_STYLES = ['surveillance', 'thermal', 'noir'];
-const NORMAL_STYLES = ['normal', 'anime', 'snow', 'does-not-exist', '', undefined, null];
+const NORMAL_STYLES = ['normal', 'anime', 'does-not-exist', '', undefined, null];
 
 test('profile mapping: NVG/FLIR/noir are mono, retro is crt, everything else normal', () => {
   for (const s of MONO_STYLES) assert.equal(trafficStyleProfile(s), 'mono', s);

src/data/transitPresetStyle.js

@@ -18,7 +18,7 @@
  *    black sprite with a light ring is what a hot object looks like there.
  *  - `crt` (retro): saturated per-mode colours that survive posterisation,
  *    a size boost to out-shout the pixel grid, and a thinner halo.
- *  - `normal` (normal/anime/snow/unknown): every lookup returns the shipped
+ *  - `normal` (normal/anime/unknown): every lookup returns the shipped
  *    value — mode colour, shipped size, hairline edge only.
  *
  * Brackets are a different matter. The detection canvas composites ABOVE the

src/data/transitPresetStyle.test.mjs

@@ -17,7 +17,6 @@ test('profile mapping: NVG/FLIR/noir and cockpit nvg are mono, retro is crt, eve
   for (const plain of [
     'normal',
     'anime',
-    'snow',
     'minecraft',
     '',
     null,

src/director/document.test.mjs

@@ -135,6 +135,15 @@ test('document byte, nesting, collection, finite-number and string bounds are en
   );
 });
 
+test('a shot saved with the retired Snow style migrates to Normal', () => {
+  const project = fixture();
+  project.scenes[0].shots[0].visual = { style: 'snow' };
+  const migrated = normalizeProject(
+    parseSceneDocument(JSON.stringify(project)),
+  );
+  assert.equal(migrated.scenes[0].shots[0].visual.style, 'normal');
+});
+
 test('captured scope and extended detection edits survive migration', () => {
   const project = fixture();
   project.scenes[0].shots[0].visual = {

src/firstRunExperience.test.mjs

@@ -1040,6 +1040,19 @@ test('the voice TOOL SCHEMA matches the pinned contract — the mission mapping
     'rotate_globe',
     'stop',
   ]);
+  // Snow is retired from set_visual_style; restore it to keep the legacy pin.
+  const visualStyle = legacyTools.find(
+    (tool) => tool.name === 'set_visual_style',
+  ).parameters.properties.style;
+  assert.deepEqual(visualStyle.enum, [
+    'normal',
+    'retro',
+    'surveillance',
+    'thermal',
+    'anime',
+    'noir',
+  ]);
+  visualStyle.enum = [...visualStyle.enum, 'snow'];
   const block = JSON.stringify(legacyTools);
   // Re-derived for the voice layer manifest (generated layer enums, alias and
   // field hints), point-and-ask's pointer/referent arguments and the prompt

src/hud.js

@@ -76,7 +76,6 @@ const MODE_LABELS = Object.freeze({
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 });
 
 /** Region ids from _regionLabel() and the name shown for each. */

src/hudLocalityFormat.js

@@ -9,10 +9,11 @@ import { unitLabel } from './ui/unitLabels.js';
 import { localizePlaceName } from './ui/placeNames.js';
 
 /**
- * Scripts without letter case keep a space before the unit: `13 km`, `13 كم`.
- * Arabic would otherwise run the digits into the word.
+ * Scripts without letter case keep a space before the unit: `13 km` in
+ * Chinese and Japanese, `13 كم` in Arabic, which would otherwise run the
+ * digits into the word.
  */
-const UNCASED_UNITS = /^(?:zh-|ar$)/;
+const UNCASED_UNITS = /^(?:zh|ja|ar)(?:-|$)/;
 
 /** An upper-case HUD quantity such as `13KM` / `13КМ`, in the active language. */
 export function hudQuantity(value, unit, digits = 0) {

src/i18n/i18n.test.mjs

@@ -5,6 +5,7 @@ import {
   applyDocumentTranslations,
   formatDate,
   formatNumber,
+  formatRelativeTime,
   msg,
   persistLocaleAndReload,
   setLocale,
@@ -33,8 +34,23 @@ function memoryStorage(initial = {}) {
 test('normalizeLocale folds regional variants and rejects unshipped tags', () => {
   assert.equal(normalizeLocale('ru-RU'), 'ru');
   assert.equal(normalizeLocale(' RU '), 'ru');
+  assert.equal(normalizeLocale('uk'), 'uk');
+  assert.equal(normalizeLocale('uk-UA'), 'uk');
   assert.equal(normalizeLocale('en_GB'), 'en');
+  assert.equal(normalizeLocale('de'), 'de');
+  assert.equal(normalizeLocale('de-AT'), 'de');
+  assert.equal(normalizeLocale('de_CH'), 'de');
+  assert.equal(normalizeLocale('fr'), 'fr');
+  assert.equal(normalizeLocale('fr-CA'), 'fr');
+  assert.equal(normalizeLocale('FR_be'), 'fr');
+  assert.equal(normalizeLocale('pt-BR'), 'pt');
+  assert.equal(normalizeLocale('pt_PT'), 'pt');
   assert.equal(normalizeLocale('xx'), null);
+  assert.equal(normalizeLocale('it-IT'), 'it');
+  assert.equal(normalizeLocale('it_CH'), 'it');
+  assert.equal(normalizeLocale('ja'), 'ja');
+  assert.equal(normalizeLocale('ja-JP'), 'ja');
+  assert.equal(normalizeLocale('JA_jp'), 'ja');
   // Explicit script tags take precedence over regional defaults.
   assert.equal(normalizeLocale('zh'), 'zh-CN');
   assert.equal(normalizeLocale('zh-CN'), 'zh-CN');
@@ -71,7 +87,7 @@ test('resolveLocale: ?lang= wins, then the stored choice, then browser languages
     resolveLocale({
       location: { search: '?lang=xx' },
       storage: memoryStorage(),
-      languages: ['de-DE', 'ru-RU'],
+      languages: ['ko-KR', 'ru-RU'],
     }),
     'ru',
   );
@@ -79,7 +95,15 @@ test('resolveLocale: ?lang= wins, then the stored choice, then browser languages
     resolveLocale({
       location: { search: '' },
       storage: memoryStorage(),
-      languages: ['de'],
+      languages: ['de-DE', 'ru-RU'],
+    }),
+    'de',
+  );
+  assert.equal(
+    resolveLocale({
+      location: { search: '' },
+      storage: memoryStorage(),
+      languages: ['ko'],
     }),
     'en',
   );
@@ -149,6 +173,36 @@ test('tn() picks English and Russian plural forms', () => {
   assert.match(label(21), / 21 КЛЮЧ(?![А-ЯЁ])/);
 });
 
+test('tn() picks the Portuguese one, many and other forms', () => {
+  const label = (count) =>
+    tn(
+      count,
+      'POWER UP · {count} KEY WAITING',
+      'POWER UP · {count} KEYS WAITING',
+    );
+  setLocale('pt');
+  assert.equal(label(0), 'ATIVAR · 0 CHAVE PENDENTE');
+  assert.equal(label(1), 'ATIVAR · 1 CHAVE PENDENTE');
+  assert.equal(label(3), 'ATIVAR · 3 CHAVES PENDENTES');
+  assert.equal(label(1_000_000), 'ATIVAR · 1000000 DE CHAVES PENDENTES');
+});
+
+test('tn() picks the four Ukrainian plural forms', () => {
+  const label = (count) =>
+    tn(
+      count,
+      'POWER UP · {count} KEY WAITING',
+      'POWER UP · {count} KEYS WAITING',
+    );
+  setLocale('uk');
+  assert.match(label(1), / 1 КЛЮЧ(?![А-ЯҐЄІЇ])/);
+  assert.match(label(3), / 3 КЛЮЧІ(?![А-ЯҐЄІЇ])/);
+  assert.match(label(5), / 5 КЛЮЧІВ(?![А-ЯҐЄІЇ])/);
+  assert.match(label(11), / 11 КЛЮЧІВ(?![А-ЯҐЄІЇ])/);
+  assert.match(label(21), / 21 КЛЮЧ(?![А-ЯҐЄІЇ])/);
+  assert.match(label(1.5), / 1\.5 КЛЮЧА(?![А-ЯҐЄІЇ])/);
+});
+
 test('t() context separates identical English with different meanings', () => {
   assert.equal(t('CLEAR', { context: 'action' }), 'CLEAR');
   setLocale('ru');
@@ -171,7 +225,13 @@ test('Intl formatters follow the active locale', () => {
   assert.equal(formatNumber(1234.5), '1,234.5');
   setLocale('ru');
   assert.equal(formatDate(date, options), '15 января 2026 г.');
+  assert.equal(formatRelativeTime(-5, 'minute'), '5 минут назад');
   assert.equal(formatNumber(1234.5), '1 234,5');
+  // Japanese keeps a number and its unit together, as the catalog does.
+  setLocale('ja');
+  assert.equal(formatDate(date, options), '2026年1月15日');
+  assert.equal(formatRelativeTime(-5, 'minute'), '5分前');
+  assert.equal(formatRelativeTime(-3, 'day'), '3日前');
 });
 
 function fakeElement({ text = '', attributes = {} } = {}) {
@@ -207,6 +267,21 @@ test('applyDocumentTranslations translates opted-in text and attributes in place
   assert.equal(unknown.textContent, 'No such message');
 });
 
+test('applyDocumentTranslations reads data-i18n-context for element text', () => {
+  const option = fakeElement({
+    text: 'All',
+    attributes: { 'data-i18n-context': 'radio tag' },
+  });
+  const doc = {
+    querySelectorAll: (selector) =>
+      selector === '[data-i18n]' ? [option] : [],
+  };
+  setLocale('pt');
+  applyDocumentTranslations(doc);
+  assert.equal(option.textContent, t('All', { context: 'radio tag' }));
+  assert.notEqual(option.textContent, t('All'));
+});
+
 test('persistLocaleAndReload keeps the choice in ?lang when storage is blocked', () => {
   const calls = [];
   const location = {

src/i18n/index.js

@@ -19,15 +19,27 @@ import {
   writeStoredLocale,
 } from './locale.js';
 import ar from './locales/ar.json' with { type: 'json' };
+import de from './locales/de.json' with { type: 'json' };
 import es from './locales/es.json' with { type: 'json' };
+import fr from './locales/fr.json' with { type: 'json' };
+import it from './locales/it.json' with { type: 'json' };
+import ja from './locales/ja.json' with { type: 'json' };
+import pt from './locales/pt.json' with { type: 'json' };
 import ru from './locales/ru.json' with { type: 'json' };
+import uk from './locales/uk.json' with { type: 'json' };
 import zhCN from './locales/zh-CN.json' with { type: 'json' };
 import zhHant from './locales/zh-Hant.json' with { type: 'json' };
 
 const CATALOGS = Object.freeze({
   ar,
+  de,
   es,
+  fr,
+  it,
+  ja,
+  pt,
   ru,
+  uk,
   'zh-CN': zhCN,
   'zh-Hant': zhHant,
 });
@@ -237,13 +249,19 @@ export function formatUtcDayMonth(value) {
 
 /**
  * Locale-aware relative time (Intl.RelativeTimeFormat), e.g.
- * formatRelativeTime(-5, 'minute') → '5 minutes ago' / '5 минут назад'.
+ * formatRelativeTime(-5, 'minute') → '5 minutes ago' / '5 минут назад' /
+ * '5分前'.
  */
 export function formatRelativeTime(value, unit = 'second', options) {
-  return cachedFormatter('relative', Intl.RelativeTimeFormat, {
+  const text = cachedFormatter('relative', Intl.RelativeTimeFormat, {
     numeric: 'auto',
     ...options,
   }).format(value, unit);
+  // CLDR spaces Japanese (5 分前); the ja catalog writes the number and its
+  // unit together (5分前), so the two must not differ on one screen.
+  return currentLocale === 'ja'
+    ? text.replace(/(?<=\d) (?=\p{Script=Han})/gu, '')
+    : text;
 }
 
 /** Collapse markup whitespace so a message reads the same in HTML and JS. */
@@ -257,7 +275,9 @@ function normalizeMarkupText(text) {
  * Markup opt-in: the element's own English text or attribute is the source.
  *   <span data-i18n>Normal</span>
  *   <button title="Pin" data-i18n-title>…</button>
- * Also data-i18n-aria-label and data-i18n-placeholder.
+ * Also data-i18n-aria-label and data-i18n-placeholder. data-i18n-context
+ * gives the element's text a context, as t(text, { context }) does:
+ *   <option data-i18n data-i18n-context="radio tag">All</option>
  */
 const DOCUMENT_TRANSLATION_TARGETS = Object.freeze([
   ['data-i18n', null],
@@ -282,7 +302,10 @@ export function applyDocumentTranslations(doc) {
         ? element.getAttribute(attribute)
         : normalizeMarkupText(element.textContent);
       if (!source) continue;
-      const text = t(source);
+      const context = attribute
+        ? null
+        : element.getAttribute?.('data-i18n-context');
+      const text = context ? t(source, { context }) : t(source);
       if (text === source) continue;
       if (attribute) element.setAttribute(attribute, text);
       else element.textContent = text;

src/i18n/ja-display.test.mjs

@@ -0,0 +1,21 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { setLocale } from './index.js';
+import {
+  cockpitUnitCase,
+  formatCockpitDistance,
+} from '../ui/cockpitPresentation.js';
+
+test('Japanese cockpit distances keep the unit in its own case', () => {
+  try {
+    setLocale('ja');
+    assert.equal(formatCockpitDistance(14000), '14 km');
+    assert.equal(formatCockpitDistance(9500), '9.5 km');
+    assert.equal(cockpitUnitCase('km'), 'km');
+    setLocale('en');
+    assert.equal(formatCockpitDistance(14000), '14 KM');
+    assert.equal(cockpitUnitCase('km'), 'KM');
+  } finally {
+    setLocale('en');
+  }
+});

src/i18n/ja-hud-units.test.mjs

@@ -0,0 +1,22 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { setLocale } from './index.js';
+import { hudQuantity, LOCALIZED_LOCALITY } from '../hudLocalityFormat.js';
+import { formatCockpitDistance } from '../ui/cockpitPresentation.js';
+
+// revmain-opus-ja-i1-1: ja has no case, so HUD units keep the catalog case
+// (km), as the cockpit already does and docs/translations/ja.md requires.
+test('Japanese HUD units keep their case, like the cockpit', () => {
+  try {
+    setLocale('ja');
+    assert.equal(formatCockpitDistance(14000), '14 km');
+    assert.equal(hudQuantity(13, 'km'), '13 km');
+    assert.equal(hudQuantity(1.5, 'km', 1), '1.5 km');
+    assert.equal(
+      LOCALIZED_LOCALITY.near({ poi: 'Shibuya', city: 'Tokyo', distKm: 13 }),
+      'SHIBUYA（東京）付近 13 km',
+    );
+  } finally {
+    setLocale('en');
+  }
+});

src/i18n/locale.js

@@ -11,8 +11,14 @@ export const DEFAULT_LOCALE = 'en';
 export const LOCALES = Object.freeze([
   'en',
   'ar',
+  'de',
   'es',
+  'fr',
+  'it',
+  'ja',
+  'pt',
   'ru',
+  'uk',
   'zh-CN',
   'zh-Hant',
 ]);
@@ -21,8 +27,14 @@ export const LOCALES = Object.freeze([
 export const LOCALE_NAMES = Object.freeze({
   en: 'English',
   ar: 'العربية',
+  de: 'Deutsch',
   es: 'Español',
+  fr: 'Français',
+  it: 'Italiano',
+  ja: '日本語',
+  pt: 'Português (Brasil)',
   ru: 'Русский',
+  uk: 'Українська',
   'zh-CN': '中文（简体）',
   'zh-Hant': '中文（繁體）',
 });
@@ -51,6 +63,8 @@ export function intlLocale(locale) {
 /**
  * Map any language tag to a shipped locale: 'ru-RU' and 'RU' → 'ru',
  * 'ar-EG' and 'ar-SA' → 'ar',
+ * 'de-AT' and 'de_CH' → 'de', 'ja-JP' → 'ja',
+ * 'pt-BR' and 'pt-PT' → 'pt' (Brazilian Portuguese),
  * 'zh', 'zh-CN' and 'zh-Hans-SG' → 'zh-CN';
  * 'zh-Hant', 'zh-TW', 'zh-HK' and 'zh-MO' → 'zh-Hant'.
  * @returns {string|null}

src/i18n/locales/es.json

@@ -66,8 +66,6 @@
   "Anime": "Anime",
   "Apply high-contrast monochrome film-noir grading.": "Aplica una gradación monocroma de alto contraste estilo film noir.",
   "Noir": "Noir",
-  "Add a cold, snowy whiteout treatment to the scene.": "Añade a la escena un tratamiento frío de ventisca blanca.",
-  "Snow": "Nieve",
   "MAP SOURCE": "FUENTE DEL MAPA",
   "Map source": "Fuente del mapa",
   "Style": "Estilo",
@@ -2228,6 +2226,8 @@
   "GOOGLE_MAPS_API_KEY is not set": "GOOGLE_MAPS_API_KEY no está configurada",
   "The Google Maps JavaScript API could not load": "No se pudo cargar la API de Maps JavaScript de Google",
   "Weather request timed out": "La petición del clima agotó el tiempo de espera",
+  "Cyclone request timed out": "La petición de ciclones agotó el tiempo de espera",
+  "Malformed cyclone snapshot": "Instantánea de ciclones mal formada",
   "Malformed weather manifest": "Manifiesto del clima mal formado",
   "Weather HTTP {status}": "Clima: HTTP {status}",
   "Weather image HTTP {status}": "Imagen del clima: HTTP {status}",

src/i18n/locales/ru.json

@@ -417,7 +417,6 @@
   "Thermal": "Тепловизор",
   "Anime": "Аниме",
   "Noir": "Нуар",
-  "Snow": "Снег",
   "Current cockpit vision style: {style}. Activate for next style.": "Текущий стиль обзора кабины: {style}. Активируйте, чтобы переключить на следующий.",
   "Current style: {style} — click for next": "Текущий стиль: {style} — нажмите для следующего",
   "AIRCRAFT": "САМОЛЁТ",
@@ -691,7 +690,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "Имитирует тепловой контраст в стиле FLIR. Для цвета увеличьте Ironbow.",
   "Apply bright cel-shaded color and illustrated outlines.": "Применяет яркие cel-shading-цвета и рисованные контуры.",
   "Apply high-contrast monochrome film-noir grading.": "Применяет высококонтрастную монохромную цветокоррекцию в стиле нуар.",
-  "Add a cold, snowy whiteout treatment to the scene.": "Добавляет в сцену холодный снежный эффект «белой мглы».",
   "Expand LOCATION": "Развернуть панель «Место»",
   "Collapse panel": "Свернуть панель",
   "Pin location tray": "Закрепить панель места",
@@ -2264,6 +2262,8 @@
   "GOOGLE_MAPS_API_KEY is not set": "GOOGLE_MAPS_API_KEY не задан",
   "The Google Maps JavaScript API could not load": "Не удалось загрузить Google Maps JavaScript API",
   "Weather request timed out": "Истекло время ожидания запроса погоды",
+  "Cyclone request timed out": "Истекло время ожидания запроса циклонов",
+  "Malformed cyclone snapshot": "Некорректный снимок циклонов",
   "Malformed weather manifest": "Некорректный манифест погоды",
   "Weather HTTP {status}": "Погода: HTTP {status}",
   "Weather image HTTP {status}": "Снимок погоды: HTTP {status}",

src/i18n/locales/zh-CN.json

@@ -1204,6 +1204,8 @@
   "Some weather tiles unavailable": "部分天气瓦片不可用",
   "Malformed weather manifest": "天气清单格式错误",
   "Weather request timed out": "天气请求超时",
+  "Cyclone request timed out": "气旋请求超时",
+  "Malformed cyclone snapshot": "气旋快照格式错误",
   "Temperature field unavailable": "温度场不可用",
   "Mean sea level pressure field unavailable": "平均海平面气压场不可用",
   "Wind upstream unavailable": "风场上游数据源不可用",
@@ -1625,7 +1627,6 @@
   "Thermal": "热成像",
   "Anime": "动漫",
   "Noir": "黑白",
-  "Snow": "雪景",
   "Current cockpit vision style: {style}. Activate for next style.": "当前座舱视觉样式：{style}。点击可切换到下一个样式。",
   "Current style: {style} — click for next": "当前样式：{style}——点击切换到下一个",
   "Collapse Contact panel": "收起目标面板",
@@ -2536,7 +2537,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "模拟 FLIR 风格的热成像对比。调高 Ironbow 可显示色彩。",
   "Apply bright cel-shaded color and illustrated outlines.": "应用明亮的赛璐珞色彩和插画轮廓线。",
   "Apply high-contrast monochrome film-noir grading.": "应用高对比度的黑白电影风格调色。",
-  "Add a cold, snowy whiteout treatment to the scene.": "为场景添加寒冷的暴雪白化效果。",
   "MAP SOURCE": "地图源",
   "Map source": "地图源",
   "Style": "样式",

src/i18n/locales/zh-Hant.json

@@ -1199,6 +1199,8 @@
   "Some weather tiles unavailable": "部分天氣瓦片不可用",
   "Malformed weather manifest": "天氣清單格式錯誤",
   "Weather request timed out": "天氣請求超時",
+  "Cyclone request timed out": "氣旋請求超時",
+  "Malformed cyclone snapshot": "氣旋快照格式錯誤",
   "Temperature field unavailable": "溫度場不可用",
   "Mean sea level pressure field unavailable": "平均海平面氣壓場不可用",
   "Wind upstream unavailable": "風場上游數據源不可用",
@@ -1615,7 +1617,6 @@
   "Thermal": "熱成像",
   "Anime": "動漫",
   "Noir": "黑白",
-  "Snow": "雪景",
   "Current cockpit vision style: {style}. Activate for next style.": "當前座艙視覺樣式：{style}。點擊可切換到下一個樣式。",
   "Current style: {style} — click for next": "當前樣式：{style}——點擊切換到下一個",
   "Collapse Contact panel": "收起目標面板",
@@ -2524,7 +2525,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "模擬 FLIR 風格的熱成像對比。調高 Ironbow 可顯示色彩。",
   "Apply bright cel-shaded color and illustrated outlines.": "應用明亮的賽璐珞色彩和插畫輪廓線。",
   "Apply high-contrast monochrome film-noir grading.": "應用高對比度的黑白電影風格調色。",
-  "Add a cold, snowy whiteout treatment to the scene.": "為場景添加寒冷的暴雪白化效果。",
   "MAP SOURCE": "地圖源",
   "Map source": "地圖源",
   "Style": "樣式",

src/i18n/same-as-english.json

@@ -33,6 +33,172 @@
     "{source} HTTP {status}",
     "▲ {frp} MW"
   ],
+  "de": [
+    "1090 MHz",
+    "978 MHz UAT",
+    "AIS: --",
+    "AIS: {name}",
+    "ANIME",
+    "AUTO",
+    "Alternative",
+    "Ambient",
+    "Anime",
+    "Austin",
+    "BRG {value}°",
+    "BRG —",
+    "Bloom",
+    "Blues",
+    "Bus",
+    "CCTV",
+    "COCKPIT",
+    "CRS {value}°",
+    "CRT",
+    "Country",
+    "Cyan",
+    "Cyber",
+    "DEST ---°",
+    "DEST {bearing}",
+    "Dance",
+    "Details",
+    "Dubai",
+    "EXPORT",
+    "EXPORT {slot}",
+    "FALLBACK",
+    "FILTER",
+    "FLIR",
+    "FOV",
+    "FOV {value}°",
+    "FT",
+    "Folk",
+    "Funk",
+    "GEO",
+    "GOOGLE STREET VIEW",
+    "Global",
+    "Global · 60°S–60°N",
+    "Google Street View",
+    "HDG",
+    "HDG {value}°",
+    "Hip-Hop",
+    "House",
+    "Hybrid",
+    "Indie",
+    "Ironbow",
+    "Jazz",
+    "LIVE",
+    "Landsat 8/9",
+    "Latin",
+    "Layout",
+    "London",
+    "Los Angeles",
+    "MIL",
+    "MINI",
+    "MISSION",
+    "MM",
+    "MONITOR",
+    "Metal",
+    "Minimal",
+    "NAME",
+    "NASA FIRMS · LIVE",
+    "NAV",
+    "NEWS",
+    "NNW",
+    "NOIR",
+    "NORMAL",
+    "NVG",
+    "NW",
+    "New York",
+    "Noir",
+    "Normal",
+    "OK",
+    "ORBIT",
+    "ORBIT · ",
+    "Oldies",
+    "OpenStreetMap + optional Google Maps Places",
+    "Operator",
+    "PAUSE",
+    "PLAY",
+    "POS: LIVE",
+    "POS: {time}Z",
+    "POSITION {age}",
+    "PROJ MONITOR",
+    "Paris",
+    "Pause",
+    "Pin",
+    "Plan",
+    "Pop",
+    "Punk",
+    "RADIO",
+    "REC",
+    "REGION",
+    "RESET",
+    "Radio",
+    "Reggae",
+    "Rock",
+    "S2 GhostMaps",
+    "SAR",
+    "SIG",
+    "SNAPSHOT",
+    "SQUAWK {code} · {status}",
+    "SSW",
+    "STANDARD",
+    "START",
+    "STATION",
+    "STATUS",
+    "STATUS · ",
+    "STD",
+    "SW",
+    "SYNC",
+    "San Francisco",
+    "Scanlines",
+    "Scope",
+    "Sentinel-2",
+    "Sonar",
+    "Soul",
+    "Station",
+    "Station {id}",
+    "T minus {seconds}",
+    "TAGS · {tags}",
+    "TANKER",
+    "TEMP",
+    "Talk",
+    "Tallinn",
+    "Techno",
+    "Trance",
+    "Turboprop",
+    "UPSTREAM",
+    "Upstream HTTP {status}",
+    "Vignette",
+    "WHOT/BHOT",
+    "WIND",
+    "WNW",
+    "WSW",
+    "Washington DC",
+    "Wind",
+    "dB",
+    "feed status|live",
+    "fire behavior|Minimal",
+    "ft",
+    "hPa",
+    "km",
+    "km/h",
+    "min",
+    "mph",
+    "radio|NEWS",
+    "radio|TALK",
+    "view band|GLOBAL",
+    "{city} CCTV",
+    "{county} County",
+    "{source} HTTP {status}",
+    "{speed} kn",
+    "{type}  SPD: {speed}  HDG: {heading}",
+    "{value} KM",
+    "{value} KM DOWNRANGE",
+    "{value} KM/H",
+    "{value} KM/S",
+    "ΔN",
+    "Ⅱ PAUSE",
+    "▲ {frp} MW"
+  ],
   "es": [
     "1090 MHz",
     "978 MHz UAT",
@@ -158,6 +324,531 @@
     "ΔN",
     "▲ {frp} MW"
   ],
+  "fr": [
+    "1090 MHz",
+    "978 MHz UAT",
+    "ALTITUDE",
+    "ALTITUDE · FT",
+    "ANIME",
+    "AUTO",
+    "Action",
+    "Allocation",
+    "Altitude {altitude}",
+    "Ambient",
+    "Anime",
+    "Austin",
+    "Aviation / Marine",
+    "BRG {value}°",
+    "BRG —",
+    "Bloom",
+    "Blues",
+    "Bus",
+    "CAL {value}",
+    "CAL · {badge}",
+    "CALIBRATION",
+    "CARGO",
+    "CAUSE",
+    "CCTV",
+    "CCTV OFF",
+    "CCTV ON",
+    "COCKPIT",
+    "COMMERCIAL",
+    "CONTACT",
+    "CONTACTS",
+    "CONTACTS · 250 KM",
+    "CRS {value}°",
+    "CRT",
+    "Country",
+    "Cyan",
+    "Cyber",
+    "Cyclones · NHC / CPHC",
+    "DENSE",
+    "DENSE ···",
+    "DENSE ✕",
+    "DEST ---°",
+    "DEST {bearing}",
+    "DESTINATION",
+    "Dance",
+    "Drone",
+    "ENE",
+    "ESE",
+    "EUROPE",
+    "FLIR",
+    "FM MHZ",
+    "FOV",
+    "FOV {value}°",
+    "FT",
+    "Ferry",
+    "Folk",
+    "Funk",
+    "GAIN",
+    "GEO",
+    "GOOGLE STREET VIEW",
+    "Gain",
+    "Google Street View",
+    "Grain",
+    "HDG",
+    "HDG {value}°",
+    "Hip-Hop",
+    "House",
+    "IMAGE",
+    "Indie",
+    "Ironbow",
+    "Jazz",
+    "LOCAL",
+    "Landsat 8/9",
+    "Landsat 8/9 via HLS",
+    "Los Angeles",
+    "MIC",
+    "MIL",
+    "MINI",
+    "MISSION",
+    "MM",
+    "MSG/S",
+    "Metal",
+    "Minimal",
+    "Minutes",
+    "Mode",
+    "NAV",
+    "NE",
+    "NNE",
+    "NOIR",
+    "NORMAL",
+    "NVG",
+    "New York",
+    "Noir",
+    "Normal",
+    "OFF",
+    "OK",
+    "ON",
+    "ON/OFF",
+    "Oldies",
+    "PAUSE",
+    "POSITION {age}",
+    "PROJ OFF",
+    "PROJECTION OFF",
+    "PROJECTION ON",
+    "PROPAGATION",
+    "Paris",
+    "Pause",
+    "Plan",
+    "Pop",
+    "Punk",
+    "RADIO",
+    "REC",
+    "Radio",
+    "Reggae",
+    "Rock",
+    "S2 GhostMaps",
+    "SAR",
+    "SE",
+    "SIG",
+    "SOURCE",
+    "SQUAWK {code} · {status}",
+    "SRC {value}",
+    "SSE",
+    "STANDARD",
+    "STATION",
+    "STD",
+    "San Francisco",
+    "Satellites",
+    "Saturation",
+    "Sonar",
+    "Soul",
+    "Source",
+    "Station",
+    "Station {id}",
+    "Style",
+    "TAGS · {tags}",
+    "TEMP",
+    "TYPE",
+    "Tallinn",
+    "Techno",
+    "Tokyo",
+    "Train",
+    "Trance",
+    "USB {rate} msg/s",
+    "VOLUME",
+    "VS",
+    "WHOT/BHOT",
+    "audio {state}",
+    "dB",
+    "ft",
+    "hPa",
+    "image",
+    "installation class|BASE",
+    "installation class|INSTALLATION",
+    "km",
+    "km/h",
+    "max {value} MW",
+    "min",
+    "mini",
+    "mph",
+    "nominal",
+    "satellite",
+    "standard",
+    "station",
+    "voice|OFF",
+    "{count} MSGS",
+    "{count} SOURCES",
+    "{count} messages",
+    "{n} cyclones",
+    "{n} satellites",
+    "{rate} msg/s",
+    "{value} KM",
+    "{value} KM/H",
+    "{value} KM/S",
+    "ΔE",
+    "ΔN",
+    "Ⅱ PAUSE",
+    "▲ {frp} MW"
+  ],
+  "it": [
+    "1090 MHz",
+    "978 MHz UAT",
+    "AFRICA",
+    "AIS: --",
+    "AIS: {name}",
+    "ALT {altitude} FT · GS {speed} KT · TRK {track}",
+    "ANIME",
+    "ASIA",
+    "AUTO",
+    "AUTO HOP OFF",
+    "AUTO HOP ON",
+    "Alternative",
+    "Ambient",
+    "Anime",
+    "Area",
+    "Austin",
+    "BRG {value}°",
+    "BRG —",
+    "Bloom",
+    "Blues",
+    "Business jet",
+    "CAL {value}",
+    "CAL · {badge}",
+    "CARGO",
+    "CCTV",
+    "CCTV OFF",
+    "CCTV ON",
+    "CH {index} / {total}",
+    "COCKPIT",
+    "CRS {value}°",
+    "CRT",
+    "Country",
+    "Cyber",
+    "DEST ---°",
+    "DEST {bearing}",
+    "DISPLAY",
+    "Dance",
+    "Drone",
+    "Dubai",
+    "ENE",
+    "ESE",
+    "FLIR",
+    "FM MHZ",
+    "FOCUS",
+    "FOV",
+    "FOV {value}°",
+    "FT",
+    "Folk",
+    "Funk",
+    "GEO",
+    "GOOGLE STREET VIEW",
+    "Google Street View",
+    "HDG",
+    "HDG {value}°",
+    "Hip-Hop",
+    "House",
+    "Indie",
+    "Ironbow",
+    "Jazz",
+    "KTS",
+    "LIVE",
+    "Landsat 8/9",
+    "Layout",
+    "Los Angeles",
+    "MIC",
+    "MIL",
+    "MINI",
+    "MM",
+    "MONITOR",
+    "MSG/S",
+    "Metal",
+    "NASA FIRMS · LIVE",
+    "NAV",
+    "NE",
+    "NNE",
+    "NOIR",
+    "NVG",
+    "New York",
+    "Noir",
+    "OCEANIA",
+    "OFF",
+    "OK",
+    "ON",
+    "ON/OFF",
+    "Oldies",
+    "PAYLOAD",
+    "PLAY",
+    "POS: LIVE",
+    "POS: {time}Z",
+    "PRECIP",
+    "Pop",
+    "Punk",
+    "RADIO",
+    "REC",
+    "RESET",
+    "RESET CAL",
+    "Radio",
+    "Reggae",
+    "Rock",
+    "S2 GhostMaps",
+    "SAR",
+    "SE",
+    "SIG",
+    "SNAPSHOT",
+    "SQUAWK {code} · {status}",
+    "SSE",
+    "STANDARD",
+    "STD",
+    "STOP",
+    "SYNC",
+    "San Francisco",
+    "Scope",
+    "Sentinel-2",
+    "Sonar",
+    "Soul",
+    "TEMP",
+    "TIMEOUT",
+    "Talk",
+    "Tallinn",
+    "Techno",
+    "Tokyo",
+    "Tram",
+    "Trance",
+    "UPSTREAM",
+    "USB {rate} msg/s",
+    "Upstream HTTP {status}",
+    "V/S {rate} FPM",
+    "VIEWSHED",
+    "VIEWSHED ON",
+    "VOLUME",
+    "VS",
+    "WHOT/BHOT",
+    "Washington DC",
+    "World",
+    "audio {state}",
+    "dB",
+    "feed status|live",
+    "ft",
+    "hPa",
+    "installation class|BASE",
+    "km",
+    "km/h",
+    "max {value} MW",
+    "min",
+    "mini",
+    "mph",
+    "radio|TALK",
+    "satellite",
+    "standard",
+    "view band|METRO",
+    "voice|OFF",
+    "{count} MSGS",
+    "{count} feeds live",
+    "{count} scenes",
+    "{rate} msg/s",
+    "{scene} / {pack}: {status}. File: {path}. {attribution} · {license}",
+    "{source} HTTP {status}",
+    "{speed} kn",
+    "{speed}KT",
+    "{value} KM",
+    "{value} KM DOWNRANGE",
+    "{value} KM/H",
+    "{value} KM/S",
+    "{value} conf",
+    "ΔE",
+    "ΔN",
+    "▲ {frp} MW"
+  ],
+  "ja": [
+    "1090 MHz",
+    "978 MHz UAT",
+    "AIS: --",
+    "AIS: {name}",
+    "BRG {value}°",
+    "BRG —",
+    "CAL {value}",
+    "CAL · {badge}",
+    "CCTV",
+    "CH {index} / {total}",
+    "CRS {value}°",
+    "CRT",
+    "FLIR",
+    "FLT",
+    "FM MHZ",
+    "FOV",
+    "FOV {value}°",
+    "FT",
+    "GEO",
+    "HDG",
+    "HDG {value}°",
+    "Ironbow",
+    "Landsat 8/9",
+    "MSG/S",
+    "NVG",
+    "POS: {time}Z",
+    "REC",
+    "S2 GhostMaps",
+    "SRC {value}",
+    "Sentinel-2",
+    "USB {rate} msg/s",
+    "WHOT/BHOT",
+    "dB",
+    "ft",
+    "hPa",
+    "km",
+    "km/h",
+    "kt",
+    "mph",
+    "{city} CCTV",
+    "{rate} msg/s",
+    "{source} HTTP {status}",
+    "{speed} kn",
+    "{type}  SPD: {speed}  HDG: {heading}",
+    "ΔE",
+    "ΔN",
+    "▲ {frp} MW"
+  ],
+  "pt": [
+    "1090 MHz",
+    "978 MHz UAT",
+    "AIS: --",
+    "AIS: {name}",
+    "ALT {altitude} FT · GS {speed} KT · TRK {track}",
+    "ALTITUDE",
+    "ALTITUDE · FT",
+    "ANIME",
+    "AUTO",
+    "Altitude {altitude}",
+    "Anime",
+    "Austin",
+    "BIKE",
+    "BRG {value}°",
+    "BRG —",
+    "Bloom",
+    "Blues",
+    "CAL {value}",
+    "CAL · {badge}",
+    "CCTV",
+    "CRS {value}°",
+    "CRT",
+    "Country",
+    "DEST ---°",
+    "DEST {bearing}",
+    "Dance",
+    "Drone",
+    "Dubai",
+    "ENE",
+    "ESE",
+    "FLIR",
+    "FLT",
+    "FM MHZ",
+    "FOV",
+    "FOV {value}°",
+    "FT",
+    "Folk",
+    "Funk",
+    "GEO",
+    "GOOGLE STREET VIEW",
+    "Global",
+    "Global · 60°S–60°N",
+    "Google Street View",
+    "HDG",
+    "HDG {value}°",
+    "Hip-Hop",
+    "House",
+    "Indie",
+    "Ironbow",
+    "Jazz",
+    "LOCAL",
+    "Landsat 8/9",
+    "Landsat 8/9 via HLS",
+    "Layout",
+    "Los Angeles",
+    "MIC",
+    "MIL",
+    "MINI",
+    "MM",
+    "MONITOR",
+    "MSG/S",
+    "Metal",
+    "NAV",
+    "NE",
+    "NNE",
+    "NOIR",
+    "NORMAL",
+    "NVG",
+    "Noir",
+    "Normal",
+    "OCEANIA",
+    "OK",
+    "POS: {time}Z",
+    "PRECIP",
+    "Paris",
+    "Pop",
+    "Punk",
+    "RANGE",
+    "REC",
+    "Reggae",
+    "Rock",
+    "S2 GhostMaps",
+    "SAR",
+    "SE",
+    "SIG",
+    "SNAPSHOT",
+    "SQUAWK {code} · {status}",
+    "SSE",
+    "STATUS",
+    "STATUS · ",
+    "Sentinel-2",
+    "Sentinel-2 via HLS",
+    "Sonar",
+    "Soul",
+    "TAGS · {tags}",
+    "TEMP",
+    "Tallinn",
+    "Techno",
+    "Trance",
+    "USB {rate} msg/s",
+    "V/S {rate}",
+    "VISUAL",
+    "VOLUME",
+    "VS",
+    "WHOT/BHOT",
+    "WX",
+    "dB",
+    "fire confidence|nominal",
+    "ft",
+    "hPa",
+    "installation class|BASE",
+    "km",
+    "km/h",
+    "kt",
+    "min",
+    "mini",
+    "mph",
+    "nominal",
+    "view band|GLOBAL",
+    "{rate} msg/s",
+    "{type}  SPD: {speed}  HDG: {heading}",
+    "{value} KM",
+    "{value} KM/H",
+    "{value} KM/S",
+    "ΔN",
+    "▲ {frp} MW"
+  ],
   "ru": [
     "AIS: --",
     "AIS: {name}",
@@ -176,6 +867,19 @@
     "VS",
     "WHOT/BHOT"
   ],
+  "uk": [
+    "AIS: --",
+    "AIS: {name}",
+    "CCTV",
+    "CRT",
+    "FLIR",
+    "Ironbow",
+    "Landsat 8/9",
+    "NVG",
+    "REC",
+    "S2 GhostMaps",
+    "WHOT/BHOT"
+  ],
   "zh-CN": [
     "1090 MHz",
     "978 MHz UAT",

src/i18n/zh-CN-display.test.mjs

@@ -17,6 +17,9 @@ test('Chinese HUD and cockpit units keep their case without spacing coordinates'
     assert.equal(formatCockpitDistance(14000), '14\u00a0km');
     assert.equal(LOCALIZED_LOCALITY.sector({ latDeg: 21.33, lonDeg: -77.5 }),
       '扇区 21.33N 77.50W');
+    setLocale('ja');
+    assert.equal(hudQuantity(13, 'km'), '13 km');
+    assert.equal(hudQuantity(1.5, 'km', 1), '1.5 km');
     setLocale('en');
     assert.equal(hudQuantity(0, 'km'), '0KM');
     assert.equal(hudQuantity(2069, 'km', 1), '2069.0KM');

src/layers/cctv/presentation.i18n.test.mjs

@@ -0,0 +1,58 @@
+// The CCTV HUD summary shows the CAL badge, source kind and view band in the
+// UI language; English keeps its codes, and unknown source codes stay codes.
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { setLocale } from '../../i18n/index.js';
+import { createPresentation } from './presentation.js';
+
+function summary(sourceKind) {
+  const camera = {
+    id: 'c1',
+    city: 'Austin',
+    name: 'Cam',
+    rangeM: 100,
+    fovDeg: 60,
+    feedType: 'image',
+  };
+  const record = { camera };
+  const presentation = createPresentation({
+    state: {
+      _records: [record],
+      _healthById: new Map(sourceKind ? [['c1', { sourceKind }]] : []),
+      _showProjection: false,
+      _coverageMode: 'sector',
+    },
+    services: {},
+    parts: {
+      selection: { getActiveRecord: () => record },
+      model: {
+        sectorAreaKm2: () => 1,
+        currentViewContext: () => 'street:1:2',
+      },
+      geometry: { coverageNeighborCount: () => 0 },
+      calibration: { deriveCalBadge: () => 'raw-prior' },
+    },
+    source: {},
+  });
+  return presentation.buildSummaryText();
+}
+
+test('en: CAL, SRC and CONTEXT keep their English codes', () => {
+  setLocale('en');
+  assert.match(summary('upstream'), /CAL RAW PRIOR · SRC UPSTREAM/);
+  assert.match(summary(null), /SRC IMAGE · STREET CONTEXT/);
+  assert.match(summary('upstream-image'), /SRC UPSTREAM-IMAGE/);
+});
+
+test('fr: CAL, SRC and CONTEXT values are translated', () => {
+  setLocale('fr');
+  try {
+    assert.match(
+      summary('upstream'),
+      /CAL ESTIM\. INITIALE · SRC AMONT · CONTEXTE RUE/,
+    );
+    assert.match(summary('upstream-image'), /SRC UPSTREAM-IMAGE/);
+  } finally {
+    setLocale('en');
+  }
+});

src/layers/cctv/presentation.js

@@ -1,5 +1,5 @@
 import { CCTV_AMBIENT_CARD_MAX } from '../../data/cctvLod.js';
-import { isolate, t, translateKnown } from '../../i18n/index.js';
+import { isolate, msg, t } from '../../i18n/index.js';
 import { ACTIVE_FRAME_REFRESH_MS, IDLE_FRAME_REFRESH_MS } from './policy.js';
 import { headingHudToken, isHeadingEstimated } from './headingConfidence.js';
 import {
@@ -8,8 +8,45 @@ import {
   isDatasheetFov,
 } from './modelSpecs.js';
 
-/** The translated name of a camera view band (street, city, regional, global). */
-function viewBandLabel(band) {
+// The summary line names the CAL badge, the source kind and the view band in
+// the page language; the codes underneath stay English.
+const CAL_BADGE_LABELS = Object.freeze({
+  calibrated: msg('CALIBRATED'),
+  curated: msg('CURATED'),
+  'raw-prior': msg('RAW PRIOR'),
+});
+
+// The same source-kind words as the CCTV panel (src/ui/cctvFrames.js).
+const SOURCE_KIND_LABELS = Object.freeze({
+  snapshot: msg('SNAPSHOT'),
+  live: msg('LIVE'),
+  fallback: msg('FALLBACK'),
+  upstream: msg('UPSTREAM'),
+  synthetic: msg('SYNTHETIC'),
+  configured: msg('CONFIGURED'),
+  seed: msg('SEED'),
+  image: msg('IMAGE'),
+  unknown: msg('UNKNOWN'),
+});
+
+/** CAL badge id ('raw-prior') as the summary shows it; unknown ids stay codes. */
+export function summaryCalLabel(badge) {
+  const key = String(badge || '');
+  return CAL_BADGE_LABELS[key]
+    ? t(CAL_BADGE_LABELS[key])
+    : key.replace('-', ' ').toUpperCase();
+}
+
+/** Source kind ('image', 'snapshot') for the summary; HLS, MJPEG… stay codes. */
+export function summarySourceLabel(kind) {
+  const key = String(kind || 'image').toLowerCase();
+  return SOURCE_KIND_LABELS[key]
+    ? t(SOURCE_KIND_LABELS[key])
+    : key.toUpperCase();
+}
+
+/** View band id ('street', 'city'…) as the HUD names it. */
+export function summaryViewBandLabel(band) {
   switch (band) {
     case 'street':
       return t('STREET', { context: 'view band' });
@@ -20,7 +57,7 @@ function viewBandLabel(band) {
     case 'global':
       return t('GLOBAL', { context: 'view band' });
     default:
-      return String(band).toUpperCase();
+      return String(band || '').toUpperCase();
   }
 }
 
@@ -90,17 +127,13 @@ export function createPresentation({
         : t('ISOLATED VIEW'),
       layerState._showProjection ? t('PROJ MONITOR') : t('PROJ OFF'),
       layerState._coverageMode === 'viewshed' ? t('VIEWSHED') : null,
-      t('CAL {value}', {
-        value: translateKnown(calBadge.replace('-', ' ').toUpperCase()),
-      }),
+      t('CAL {value}', { value: summaryCalLabel(calBadge) }),
       t('SRC {value}', {
-        value: translateKnown(
-          String(
-            health?.sourceKind || active.camera.feedType || 'image',
-          ).toUpperCase(),
+        value: summarySourceLabel(
+          health?.sourceKind || active.camera.feedType || 'image',
         ),
       }),
-      t('{value} CONTEXT', { value: viewBandLabel(viewBand) }),
+      t('{value} CONTEXT', { value: summaryViewBandLabel(viewBand) }),
       // Identified hardware: append the model's datasheet specs + attribution.
       active.camera.spec
         ? t('{spec} · SPECS: CCTV-DATABASE.COM', {

src/layers/cctv/presentation.test.mjs

@@ -0,0 +1,38 @@
+// The CCTV summary line names the CAL badge, the source kind and the view
+// band in the page language; unknown codes stay as uppercase codes.
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { setLocale } from '../../i18n/index.js';
+import {
+  summaryCalLabel,
+  summarySourceLabel,
+  summaryViewBandLabel,
+} from './presentation.js';
+
+function inLocale(locale, run) {
+  setLocale(locale);
+  try {
+    return run();
+  } finally {
+    setLocale('en');
+  }
+}
+
+test('English keeps the summary codes', () => {
+  assert.equal(summaryCalLabel('raw-prior'), 'RAW PRIOR');
+  assert.equal(summarySourceLabel('image'), 'IMAGE');
+  assert.equal(summarySourceLabel('hls'), 'HLS');
+  assert.equal(summaryViewBandLabel('street'), 'STREET');
+  assert.equal(summaryViewBandLabel('none'), 'NONE');
+});
+
+test('Portuguese summary values are translated', () => {
+  inLocale('pt', () => {
+    assert.equal(summaryCalLabel('raw-prior'), 'ESTIMATIVA BRUTA');
+    assert.equal(summaryCalLabel('calibrated'), 'CALIBRADA');
+    assert.equal(summarySourceLabel('IMAGE'), 'IMAGEM');
+    assert.equal(summarySourceLabel('mjpeg'), 'MJPEG');
+    assert.equal(summaryViewBandLabel('street'), 'RUA');
+    assert.equal(summaryViewBandLabel('city'), 'CIDADE');
+  });
+});

src/layers/cyclones/source.js

@@ -1,7 +1,11 @@
 import { readResponseJsonCapped } from '../../sources/httpBody.js';
 
+// Shared with the AI tools, so no i18n import: these errors stay English here
+// and the cyclones layer translates them where it shows them (translateKnown).
+const msg = (text) => text;
+
 export const CYCLONE_RESPONSE_LIMIT = 4 * 1024 * 1024;
-const malformed = () => new Error('Malformed cyclone snapshot');
+const malformed = () => new Error(msg('Malformed cyclone snapshot'));
 const text = (value, max = 160) => {
   if (
     typeof value !== 'string' ||
@@ -215,7 +219,7 @@ export function createCycloneSource({
       const abort = () => controller.abort(signal.reason);
       signal?.addEventListener('abort', abort, { once: true });
       const timer = setTimeout(
-        () => controller.abort(new Error('Cyclone request timed out')),
+        () => controller.abort(new Error(msg('Cyclone request timed out'))),
         timeoutMs,
       );
       try {

src/layers/directions/index.js

@@ -18,9 +18,19 @@
 
 import * as Cesium from 'cesium';
 import { roadLabel } from '../../data/routeSteps.js';
-import { t, msg, formatNumber, translateKnown } from '../../i18n/index.js';
+import {
+  t,
+  msg,
+  formatNumber,
+  getLocale,
+  translateKnown,
+} from '../../i18n/index.js';
 import { pointerOwnerName } from '../../data/pointerOwnerNames.js';
-import { formatQuantity } from '../../ui/unitLabels.js';
+import {
+  formatQuantity,
+  quantitySeparator,
+  unitLabel,
+} from '../../ui/unitLabels.js';
 
 export const DIRECTIONS_STEP_OVERLAY_SOURCE_ID = 'directions-step';
 export const DIRECTIONS_STEP_OVERLAY_SOURCE_OPTIONS = Object.freeze({
@@ -125,7 +135,9 @@ export function routeDurationText(seconds) {
   if (minutes < 60) return formatQuantity(minutes, 'min');
   const hours = formatQuantity(Math.floor(minutes / 60), 'h');
   const rest = minutes % 60;
-  return rest ? `${hours}\u00a0${formatQuantity(rest, 'min')}` : hours;
+  if (!rest) return hours;
+  // "1 h 5 min"; Japanese runs the parts together: 1時間5分.
+  return `${hours}${quantitySeparator(unitLabel('h'))}${formatQuantity(rest, 'min')}`;
 }
 
 /** "left", "slightly right", … as it reads inside a maneuver sentence. */
@@ -394,6 +406,16 @@ export function normalizeDirectionsParams(params = {}) {
   return out;
 }
 
+/**
+ * A travel-mode word inside a sentence: lower case, except in German, where
+ * the words are nouns and keep their capital ("Auto", "Fahrrad").
+ * @param {string} word Translated mode word.
+ * @returns {string}
+ */
+function modeWordInSentence(word) {
+  return getLocale() === 'de' ? word : word.toLowerCase();
+}
+
 /**
  * Row chips for a given state. Pure so the chip logic is testable without a DOM.
  * @param {{mode:string, armed:null|'a'|'b', a:object|null, b:object|null, status:string, route:object|null}} state
@@ -409,7 +431,7 @@ export function directionsRowControls(state) {
     state: mode === id ? 'active' : 'idle',
     title: t('{mode} — reroute for {modeLower}', {
       mode: t(spec.word),
-      modeLower: t(spec.word).toLowerCase(),
+      modeLower: modeWordInSentence(t(spec.word)),
     }),
     params: { mode: id },
   }));

src/layers/vessels/lifecycle.js

@@ -11,7 +11,7 @@ export function createLifecycle({
 }) {
   const { state } = vesselState;
   const { restoreSpriteOrder, restoreSpriteOrderOnEnable } = services.sprites;
-  const { holdContinuousRender, releaseContinuousRender } = services.render;
+  const { releaseContinuousRender } = services.render;
   const { ensureGeoidReady } = services.geoid;
   const { registerPickOwner, unregisterPickOwner } = services.picking;
 
@@ -125,6 +125,7 @@ export function createLifecycle({
     state.interactionHandlerFactory = null;
     state.interactionKeyTarget = null;
     state.preRenderRemover = null;
+    components.rendering.cancelTrailingVisibilityPass();
     state.lastVisibilityUpdate = 0;
     state.lastFocusUpdate = 0;
     state.activeFocusCount = 0;
@@ -164,7 +165,6 @@ export function createLifecycle({
       const wasEnabled = state.feed.enabled;
       state.feed.enabled = true;
       if (!wasEnabled) beginAisSession();
-      holdContinuousRender('ais-vessels'); // per-frame animator (perf wave 2)
       const activeViewer = viewer || state.viewer;
       components.rendering.ensureCollections(activeViewer);
       components.selection.installInteraction(activeViewer);
@@ -208,6 +208,7 @@ export function createLifecycle({
       state.feed.enabled = false;
       invalidateAisSession();
       releaseContinuousRender('ais-vessels');
+      components.rendering.cancelTrailingVisibilityPass();
       unregisterPickOwner('ais-live-vessels');
       components.rendering.setVisible(false);
       vesselState._vesselOverlayHost.clearSource(VESSEL_OVERLAY_SOURCE_ID);
@@ -227,6 +228,7 @@ export function createLifecycle({
       const activeViewer = viewer || state.viewer;
       invalidateAisSession();
       releaseContinuousRender('ais-vessels'); // direct-destroy path (perf wave 2 fix)
+      components.rendering.cancelTrailingVisibilityPass();
       if (state.feed.abort) state.feed.abort.abort();
       unregisterPickOwner('ais-live-vessels');
       components.selection.clearVesselInspection();

src/layers/vessels/ownership.test.mjs

@@ -29,7 +29,11 @@ function services() {
       forgetSpriteFocus: noop,
     },
     worldFocus: {},
-    render: { releaseContinuousRender: noop },
+    render: {
+      holdContinuousRender: noop,
+      releaseContinuousRender: noop,
+      governorRequestRender: noop,
+    },
   };
 }
 function setup(source, options = {}) {

src/layers/vessels/renderGovernor.test.mjs

@@ -0,0 +1,138 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { createVesselLayer } from './index.js';
+import { VISIBILITY_UPDATE_MS } from './policy.js';
+
+// Vessels move only when a poll lands, so the layer must let the scene idle:
+// it asks for frames for forced passes and one trailing frame after the camera
+// stops, and never schedules a frame from a pass the camera did not cause.
+
+const noop = () => {};
+
+function setup() {
+  let clock = 10_000;
+  const requests = [];
+  const holds = new Set();
+  const timers = new Map();
+  let nextTimer = 1;
+  const layer = createVesselLayer({
+    source: { getSnapshot: async () => ({ records: [] }) },
+    services: {
+      context: {
+        clearSelectedEntityContextForLayer: noop,
+        registerEntityContext: () => null,
+      },
+      trails: {
+        createTrail: () => ({ setPositions: noop, clear: noop, destroy: noop }),
+      },
+      labels: {},
+      picking: { unregisterPickOwner: noop },
+      overlay: {
+        setOverlayEntries: noop,
+        setOverlaySourceVisible: noop,
+        clearOverlaySource: noop,
+      },
+      geoid: {},
+      sprites: {},
+      focus: {
+        focusNowMs: () => clock,
+        getFocusTarget: () => null,
+        focusPassIsNeeded: () => false,
+        forgetSpriteFocus: noop,
+      },
+      worldFocus: {},
+      render: {
+        holdContinuousRender: (id) => holds.add(id),
+        releaseContinuousRender: (id) => holds.delete(id),
+        governorRequestRender: (reason) => requests.push(reason),
+      },
+    },
+  });
+  const camera = {
+    positionWC: { x: 0, y: 0, z: 7_000_000 },
+    heading: 0,
+    pitch: -1.2,
+    roll: 0,
+  };
+  layer.testing._setVesselStateForTest({ viewer: { camera, scene: {} } });
+  layer.testing._setAisRuntimeForTest({
+    now: () => clock,
+    setTimeout(fn, ms) {
+      const id = nextTimer++;
+      timers.set(id, { fn, at: clock + ms });
+      return id;
+    },
+    clearTimeout: (id) => timers.delete(id),
+  });
+  const advance = (ms) => {
+    clock += ms;
+    for (const [id, timer] of [...timers]) {
+      if (timer.at > clock) continue;
+      timers.delete(id);
+      timer.fn();
+    }
+  };
+  const frame = () => layer.testing._runVisibilityPassForTest();
+  return { layer, camera, requests, holds, timers, advance, frame };
+}
+
+test('a parked camera schedules no frames after the cadence pass', () => {
+  const { requests, holds, timers, advance, frame } = setup();
+  frame();
+  for (let i = 0; i < 20; i += 1) {
+    advance(100);
+    frame();
+  }
+  assert.deepEqual(requests, []);
+  assert.equal(timers.size, 0);
+  assert.equal(holds.has('ais-vessels'), false);
+});
+
+test('a camera that stops inside the cadence gets exactly one trailing frame', () => {
+  const { layer, camera, requests, timers, advance, frame } = setup();
+  frame();
+  advance(100);
+  camera.heading = 0.5;
+  frame();
+  advance(100);
+  frame();
+  assert.equal(timers.size, 1, 'one trailing frame, not one per skipped pass');
+  assert.equal(layer.testing._hasTrailingVisibilityPassForTest(), true);
+
+  advance(VISIBILITY_UPDATE_MS);
+  assert.deepEqual(requests, ['ais-vessels-visibility']);
+  // The trailing frame runs the regular pass on the pose the camera stopped
+  // on. Its own frames must not schedule another one.
+  frame();
+  for (let i = 0; i < 20; i += 1) {
+    advance(100);
+    frame();
+  }
+  assert.deepEqual(requests, ['ais-vessels-visibility']);
+  assert.equal(timers.size, 0);
+});
+
+test('a forced pass requests its own frame', () => {
+  const { layer, requests } = setup();
+  layer.testing._runVisibilityPassForTest(true);
+  assert.deepEqual(requests, ['ais-vessels-update']);
+});
+
+test('destroy cancels a pending trailing frame', (t) => {
+  const originalDocument = globalThis.document;
+  globalThis.document = { getElementById: () => null };
+  t.after(() => {
+    if (originalDocument === undefined) delete globalThis.document;
+    else globalThis.document = originalDocument;
+  });
+  const { layer, camera, requests, timers, advance, frame } = setup();
+  frame();
+  advance(100);
+  camera.heading = 0.5;
+  frame();
+  assert.equal(timers.size, 1);
+  layer.destroy();
+  assert.equal(timers.size, 0);
+  advance(VISIBILITY_UPDATE_MS);
+  assert.deepEqual(requests, []);
+});

src/layers/vessels/rendering.js

@@ -75,7 +75,13 @@ export function createRendering({
     focusPassIsNeeded,
     advanceSpriteFocus,
     focusAlphaNeedsWrite,
+    spriteFocusAtRest,
   } = services.focus;
+  const {
+    holdContinuousRender,
+    releaseContinuousRender,
+    governorRequestRender,
+  } = services.render;
 
   function renderRowLimit() {
     const configured = Number(options.maxRows);
@@ -196,6 +202,14 @@ export function createRendering({
     return icon;
   }
 
+  // Vessels move only when a poll lands, so the layer does not hold the
+  // continuous render loop. Its passes run in preRender, which idle mode fires
+  // only for rendered frames: a forced pass (new data, selection) requests its
+  // frame, a frame that moved the camera but fell inside the 800 ms cadence
+  // leaves a trailing frame so the view the camera stopped on is always
+  // evaluated, and the continuous hold is kept only while focus emphasis is
+  // animating. The trailing frame is keyed to camera motion alone: the pass's
+  // own label publication requests a frame, and scheduling on that would loop.
   function installRuntime(viewer) {
     if (state.preRenderRemover || !viewer) return;
     state.preRenderRemover = viewer.scene.preRender.addEventListener(() =>
@@ -203,8 +217,27 @@ export function createRendering({
     );
   }
 
+  function scheduleTrailingVisibilityPass(now) {
+    if (state.trailingVisibilityTimer) return;
+    const waitMs = Math.max(
+      0,
+      VISIBILITY_UPDATE_MS - (now - state.lastVisibilityUpdate),
+    );
+    state.trailingVisibilityTimer = vesselState._aisRuntime.setTimeout(() => {
+      state.trailingVisibilityTimer = null;
+      if (state.feed.enabled) governorRequestRender('ais-vessels-visibility');
+    }, waitMs);
+  }
+
+  function cancelTrailingVisibilityPass() {
+    if (!state.trailingVisibilityTimer) return;
+    vesselState._aisRuntime.clearTimeout(state.trailingVisibilityTimer);
+    state.trailingVisibilityTimer = null;
+  }
+
   function updateVisibility(force = false) {
     if (!state.feed.enabled) return;
+    if (force) governorRequestRender('ais-vessels-update');
     const now = focusNowMs(performance.now());
     const focusTarget = getFocusTarget();
     const regularPass =
@@ -212,13 +245,30 @@ export function createRendering({
     const focusPass =
       focusPassIsNeeded(focusTarget, state.activeFocusCount) &&
       (force || now - state.lastFocusUpdate >= FOCUS_UPDATE_MS);
+    if (
+      !regularPass &&
+      state.viewer?.camera &&
+      cameraPoseSignature(state.viewer.camera) !== vesselState._lastCamPoseSig
+    )
+      scheduleTrailingVisibilityPass(now);
     if (!regularPass && !focusPass) return;
     if (regularPass) state.lastVisibilityUpdate = now;
     if (focusPass) state.lastFocusUpdate = now;
     if (!state.records.all.length) {
       // No records — flush any lingering card entries (vanished-feed case).
-      if (regularPass) updateClusteredLabels([]);
-      if (focusPass) state.activeFocusCount = 0;
+      // Still record the pose this pass evaluated, or every later frame that
+      // falls inside the cadence would schedule another trailing frame.
+      if (regularPass) {
+        if (state.viewer?.camera)
+          vesselState._lastCamPoseSig = cameraPoseSignature(
+            state.viewer.camera,
+          );
+        updateClusteredLabels([]);
+      }
+      if (focusPass) {
+        state.activeFocusCount = 0;
+        releaseContinuousRender('ais-vessels');
+      }
       return;
     }
 
@@ -272,6 +322,9 @@ export function createRendering({
           Cesium.Cartesian3.distance(camera.positionWC, position),
       });
       state.activeFocusCount = result.activeCount;
+      if (result.activeCount > 0 || result.transitioning)
+        holdContinuousRender('ais-vessels');
+      else releaseContinuousRender('ais-vessels');
     }
   }
 
@@ -302,6 +355,16 @@ export function createRendering({
       const bb = visual?.billboard;
       const position = bb?.position || visual?.position;
       if (!bb || !position) continue;
+      // Most of a worldwide feed sits behind the horizon. A hidden sprite with
+      // no pending focus state and full alpha would advance to exactly what it
+      // already is, so skip it instead of paying its distance and state work
+      // every 80 ms while anything is tracked.
+      if (
+        bb.show === false &&
+        spriteFocusAtRest(bb) &&
+        !focusAlphaNeedsWrite(bb.color?.alpha, 1, params)
+      )
+        continue;
       const focus = advanceSpriteFocus(bb, {
         // Hidden/far-side sprites still finish any pending release so the active
         // count remains truthful and they cannot reappear with stale dim alpha.
@@ -510,6 +573,7 @@ export function createRendering({
     shipIcon,
     installRuntime,
     updateVisibility,
+    cancelTrailingVisibilityPass,
     applyVesselFocusDeemphasis,
     makeOccluder,
     isVisible,

src/layers/vessels/state.js

@@ -64,6 +64,8 @@ export function createVesselState({ source, services }) {
     /** Test-only key target paired with interactionHandlerFactory. */
     interactionKeyTarget: null,
     preRenderRemover: null,
+    /** Pending timer that renders one frame after a cadence-skipped pass. */
+    trailingVisibilityTimer: null,
     lastVisibilityUpdate: 0,
     lastFocusUpdate: 0,
     /** Sprites whose animated emphasis remains outside the 1.0 deadband. */

src/layers/vessels/testing.js

@@ -151,6 +151,18 @@ export function createTesting({
     };
   }
 
+  /** Run one preRender visibility/focus pass. Test-only seam. */
+
+  function _runVisibilityPassForTest(force = false) {
+    components.rendering.updateVisibility(force);
+  }
+
+  /** True while a trailing visibility frame is scheduled. Test-only seam. */
+
+  function _hasTrailingVisibilityPassForTest() {
+    return state.trailingVisibilityTimer !== null;
+  }
+
   /**
    * Read lifecycle ownership state without exposing the mutable state object.
    * Test-only seam.
@@ -176,5 +188,7 @@ export function createTesting({
     _setAisRuntimeForTest,
     _getVesselFeedStateForTest,
     _getVesselStateForTest,
+    _runVisibilityPassForTest,
+    _hasTrailingVisibilityPassForTest,
   };
 }

src/radioMarkup.test.mjs

@@ -239,6 +239,19 @@ test('no unchanged Realtime tool definition drifts silently', () => {
     'Direct the camera like a drone operator: orbit the current view target, pan, tilt, or rotate — one bounded nudge (mode=once) or continuous motion until stopped (mode=continuous). Continuous motion also stops on any manual camera input or when a navigation tool runs. Say the RESULTING state when confirming ("Orbiting slowly").';
   camera.parameters.properties.direction.description =
     'Required except for orbit (defaults right/clockwise) and stop.';
+  // Snow is retired from set_visual_style; restore it to keep the legacy pin.
+  const visualStyle = unchanged.find(
+    (tool) => tool.name === 'set_visual_style',
+  ).parameters.properties.style;
+  assert.deepEqual(visualStyle.enum, [
+    'normal',
+    'retro',
+    'surveillance',
+    'thermal',
+    'anime',
+    'noir',
+  ]);
+  visualStyle.enum = [...visualStyle.enum, 'snow'];
   assert.equal(unchanged.length, 14);
   const digest = createHash('sha256')
     .update(JSON.stringify(unchanged))

src/scenes/bootstrapTitleProvenance.test.mjs

@@ -0,0 +1,20 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { SCENE_RECIPES, displayShotTitle } from './recipes.js';
+import { setLocale } from '../i18n/index.js';
+
+test('an operator-typed title in the built-in Nepal scene stays as typed', () => {
+  const scene = SCENE_RECIPES.find((r) => r.id === 'bhote-koshi-nepal-scene');
+  assert.ok(scene, 'built-in bootstrap scene exists');
+  for (const locale of ['ru', 'es', 'it', 'zh-CN', 'zh-Hant']) {
+    setLocale(locale);
+    const title = 'Global Incident Context';
+    // A shot captured by the operator: no sourcePackId, renamed to this title.
+    const shown = displayShotTitle(
+      title,
+      { id: 'shot-user', title },
+      { id: scene.id },
+    );
+    assert.equal(shown, title, `${locale}: got ${shown}`);
+  }
+});

src/scenes/director.test.mjs

@@ -712,6 +712,10 @@ test('a legacy three-shot Nepal browser project bootstraps to the current 25-sho
     assert.deepEqual(scene.shots.slice(0, 3).map(({ camera }) => camera), originalCameras);
     assert.equal(scene.appliedShotPacks[0].id, 'bhote-koshi-nepal-evidence-pack');
     assert.equal(scene.appliedShotPacks[0].version, 18);
+    // displayShotTitle trusts these bindings to localize the bootstrap shots.
+    for (const shot of scene.shots.slice(0, 8)) {
+      assert.equal(scene.appliedShotPacks[0].shotBindings[shot.title], shot.id);
+    }
     assert.equal(director._selectedSceneId, scene.id);
     assert.equal(director._selectedShotId, scene.shots[0].id);
   } finally {

src/scenes/project.js

@@ -7,6 +7,7 @@ import {
   BLOOM_SCALE_VERSION,
   decodeBloomIntensity,
 } from '../bloom.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 
 /** @constant {number} Current schema version for project migration */
 export const PROJECT_VERSION = SCENE_DOCUMENT_VERSION;
@@ -262,7 +263,9 @@ export function normalizeShot(
     ...(rawShot?.dataPackIds ? { dataPackIds: [...rawShot.dataPackIds] } : {}),
     ...(rawShot?.move ? { move: deepClone(rawShot.move) } : {}),
     visual: {
-      style: visual.style || 'normal',
+      style: RETIRED_STYLES.includes(visual.style)
+        ? 'normal'
+        : visual.style || 'normal',
       bloom: normalizeBloomState(bloom, {
         projectVersion,
         fallbackIntensity: 50,

src/scenes/recipes.js

@@ -1062,8 +1062,9 @@ export function displaySceneTitle(scene) {
  * typed. Without `shot`, the title alone decides.
  * @param {string} title
  * @param {{id?: string, sourcePackId?: string}} [shot]
- * @param {{id?: string, appliedShotPacks?: object[]}} [scene] The shot's
- *   scene, for projects saved before shots recorded their source pack.
+ * @param {{id?: string, appliedShotPacks?: Array<{id?: string, shotBindings?: Object<string, string>}>}} [scene]
+ *   The shot's scene, for projects saved before shots recorded their source
+ *   pack.
  * @returns {string}
  */
 export function displayShotTitle(title, shot = undefined, scene = undefined) {
@@ -1076,21 +1077,28 @@ export function displayShotTitle(title, shot = undefined, scene = undefined) {
   return numbered ? t('Shot {n}', { n: numbered[1] }) : text;
 }
 
-/**
- * Whether the built-in recipe behind a scene declares a shot with this title:
- * its own keyframes, or a bootstrap shot of a shot pack applied to the scene.
- * Those shots carry no sourcePackId; the pack marker binds the title to that
- * very shot, so another shot typed with the same title stays as typed.
- */
+/** Whether the built-in recipe behind a scene declares this shot's title. */
 function recipeDeclaresShotTitle(scene, shot, title) {
   const recipe = scene?.id ? getSceneRecipeById(scene.id) : null;
-  if (recipe?.cameraPath?.some((keyframe) => keyframe?.title === title))
-    return true;
-  const packs = Array.isArray(scene?.appliedShotPacks)
-    ? scene.appliedShotPacks
-    : [];
-  return (
-    Boolean(shot?.id) &&
-    packs.some((marker) => marker?.shotBindings?.[title] === shot.id)
+  if (!recipe) return false;
+  const declares = (path) =>
+    Array.isArray(path) && path.some((keyframe) => keyframe?.title === title);
+  if (declares(recipe.cameraPath)) return true;
+  // A bootstrap recipe seeds legacy "Shot N" keyframes; the upgrade replaces
+  // them with the append recipe's bootstrap shots, which carry no source pack.
+  // The pack marker binds each of those titles to its shot id, so a shot the
+  // operator later gave the same title stays as typed.
+  return SCENE_APPEND_RECIPES.some(
+    (append) =>
+      append.legacySceneBootstrap?.targetSceneTitle === recipe.title &&
+      declares(append.legacySceneBootstrap.cameraPath) &&
+      Boolean(shot?.id) &&
+      (Array.isArray(scene.appliedShotPacks)
+        ? scene.appliedShotPacks
+        : []
+      ).some(
+        (marker) =>
+          marker?.id === append.id && marker.shotBindings?.[title] === shot.id,
+      ),
   );
 }

src/scenes/sceneTitleDisplay.test.mjs

@@ -4,6 +4,7 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
 import {
+  SCENE_APPEND_RECIPES,
   SCENE_RECIPES,
   displaySceneTitle,
   displayShotTitle,
@@ -87,31 +88,6 @@ test('a built-in shot title localizes only for a recipe-sourced shot', () => {
   }
 });
 
-test('bootstrap shots of an applied shot pack localize their built-in titles', () => {
-  setLocale('ru');
-  const title = 'Global Incident Context';
-  const shot = { id: 'shot-1', title };
-  // A legacy scene upgraded in place: its bootstrap shots have no
-  // sourcePackId, but the scene's pack marker binds the title to the shot.
-  const upgraded = {
-    id: 'scene-legacy',
-    appliedShotPacks: [
-      {
-        id: 'bhote-koshi-nepal-evidence-pack',
-        version: 12,
-        shotBindings: { [title]: 'shot-1' },
-      },
-    ],
-  };
-  assert.equal(
-    displayShotTitle(title, shot, upgraded),
-    displayShotTitle(title),
-  );
-  assert.notEqual(displayShotTitle(title, shot, upgraded), title);
-  // The same typed title in a scene without the pack stays as typed.
-  assert.equal(displayShotTitle(title, shot, { id: 'scene-user' }), title);
-});
-
 test('the Scene status line shows an operator-typed shot title as typed', async () => {
   const { createScenePlaybackAdapter } = await import('./playbackAdapter.js');
   const statuses = [];
@@ -166,3 +142,40 @@ test('the scene context of a shot carries its display title by provenance', asyn
     title,
   );
 });
+
+test('bootstrap shots of a built-in scene localize without a source pack', () => {
+  setLocale('ru');
+  const append = SCENE_APPEND_RECIPES.find(
+    (recipe) => recipe.legacySceneBootstrap?.cameraPath?.length,
+  );
+  if (!append) return;
+  const bootstrap = append.legacySceneBootstrap;
+  const scene = SCENE_RECIPES.find(
+    (recipe) => recipe.title === bootstrap.targetSceneTitle,
+  );
+  if (!scene) return;
+  for (const { title } of bootstrap.cameraPath) {
+    // The upgrade copies these keyframes into the scene without sourcePackId
+    // and binds each title to its shot in the pack marker.
+    const upgraded = {
+      id: scene.id,
+      appliedShotPacks: [
+        { id: append.id, version: 1, shotBindings: { [title]: 'shot-old' } },
+      ],
+    };
+    assert.equal(
+      displayShotTitle(title, { id: 'shot-old', title }, upgraded),
+      displayShotTitle(title),
+    );
+    // Another shot the operator gave the same title stays as typed.
+    assert.equal(
+      displayShotTitle(title, { id: 'shot-user', title }, upgraded),
+      title,
+    );
+    // The same title in an operator's own scene stays as typed.
+    assert.equal(
+      displayShotTitle(title, { id: 'shot-user', title }, { id: 'scene-user' }),
+      title,
+    );
+  }
+});

src/scenes/shotTitleProvenance.test.mjs

@@ -1,17 +0,0 @@
-import test from 'node:test';
-import assert from 'node:assert/strict';
-import { displayShotTitle } from './recipes.js';
-import { setLocale } from '../i18n/index.js';
-
-test('a typed shot title in a user scene with an applied pack stays as typed', () => {
-  setLocale('ru');
-  const title = 'Global Incident Context';
-  // The user's own shot (not from the pack: no sourcePackId) in a user scene
-  // that later received the Nepal evidence pack.
-  const ownShot = { id: 'user-shot-7', title };
-  const scene = {
-    id: 'scene-user-123',
-    appliedShotPacks: [{ id: 'bhote-koshi-nepal-evidence-pack', version: 12 }],
-  };
-  assert.equal(displayShotTitle(title, ownShot, scene), title);
-});

src/share/legacyShareState.test.mjs

@@ -107,6 +107,13 @@ test('the HAL example survives the round trip and shrinks to 39 characters', ()
   );
 });
 
+test('a long-form link to the retired Snow style opens as Normal', () => {
+  const snow = parseLegacy('v=2&lat=1&lon=2&style=snow&sp=d.90_w.20');
+  const normal = parseLegacy('v=2&lat=1&lon=2');
+  assert.equal(snow.style, 'normal');
+  assert.deepEqual(snow.styleParams, normal.styleParams);
+});
+
 test('links from earlier long-form versions keep their historical meaning', () => {
   for (const hash of [
     'lat=10&lon=20',

src/share/viewCodec.js

@@ -31,6 +31,7 @@ import {
 } from '../data/detectionPolicy.js';
 import { clampScopeFeatherPct } from '../scopeMaskPolicy.js';
 import { VIEW_STYLES } from '../view/index.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 import {
   GLOBAL_POST_DEFAULTS,
   STYLE_PRESET_DEFAULTS,
@@ -101,7 +102,7 @@ export const SHARE_VIEW_ENUMS = Object.freeze({
     'thermal',
     'anime',
     'noir',
-    'snow',
+    'snow', // retired (RETIRED_STYLES): decodes as Normal
   ]),
   mapStack: Object.freeze([
     'photoreal',
@@ -221,10 +222,6 @@ export const SHARE_VIEW_STYLE_PARAMS = Object.freeze({
     { key: 'grainAmt', token: 'g', min: 0, max: 1 },
     { key: 'vignetteAmt', token: 'v', min: 0, max: 1 },
   ]),
-  snow: freezeAll([
-    { key: 'density', token: 'd', min: 0, max: 1 },
-    { key: 'wind', token: 'w', min: 0, max: 1 },
-  ]),
 });
 
 /**
@@ -1321,8 +1318,12 @@ export function decodeShareView(code, { nowMs = Date.now() } = {}) {
         return { ok: false, reason: 'out-of-range' };
     }
 
+    // A retired style's code stays reserved: the view opens on Normal, and
+    // parameters written for it are dropped rather than reported as unknown.
+    const retiredStyle = RETIRED_STYLES.includes(raw.style);
     if (raw.style !== undefined && !VIEW_STYLES.includes(raw.style)) {
-      if (get('style').len) unknown.code('enum:style', raw.style);
+      if (get('style').len && !retiredStyle)
+        unknown.code('enum:style', raw.style);
       raw.style = undefined;
     }
     for (const key of ['hudVariant', 'mapStack']) {
@@ -1357,7 +1358,7 @@ export function decodeShareView(code, { nowMs = Date.now() } = {}) {
       unknown.code('layer-option', 'without-layers');
     if (get('panelState'))
       raw.panelState = decodePanels(get('panelState').len, unknown);
-    if (get('styleParams'))
+    if (get('styleParams') && !retiredStyle)
       raw.styleParams = decodeStyleParams(
         get('styleParams').len,
         raw.style ?? 'normal',

src/share/viewCodec.test.mjs

@@ -2,6 +2,7 @@ import { test } from 'node:test';
 import assert from 'node:assert/strict';
 import {
   LAYER_STATE_REGISTRY,
+  LAYER_STATE_TOKEN_ALPHABET,
   LAYER_STATE_TOKEN_RESERVATIONS,
   REGISTERED_LAYER_IDS,
   createDefaultLayerState,
@@ -440,7 +441,8 @@ test('defaults travel as frozen meanings that match today’s app defaults', ()
   assert.deepEqual(SHARE_VIEW_ENUMS.hudVariant.slice(0, HUD_LAYOUTS.length), [
     ...HUD_LAYOUTS,
   ]);
-  assert.deepEqual(SHARE_VIEW_ENUMS.style, [...VIEW_STYLES]);
+  // Snow is retired; its code stays reserved (see the retired-style test).
+  assert.deepEqual(SHARE_VIEW_ENUMS.style, [...VIEW_STYLES, 'snow']);
   assert.deepEqual(SHARE_VIEW_ENUMS.mapStack, [...VIEW_MAPS]);
   assert.deepEqual(SHARE_VIEW_ENUMS.detectionAllocation, [
     ...ALLOCATION_STRATEGIES,
@@ -549,7 +551,6 @@ test('the field registry is well formed and permanent', () => {
       ...common,
       styleParams: { contrastAmt: 1.2, grainAmt: 0.5, vignetteAmt: 0.5 },
     },
-    snow: { ...common, styleParams: { density: 0.6, wind: 0.5 } },
   });
   assert.deepEqual(
     SHARE_VIEW_ENTITY_KINDS.map((e) => [e.code, e.kind]),
@@ -966,6 +967,29 @@ test('enum names outside the code tables travel as text', () => {
   ]);
 });
 
+test('links to the retired Snow style open as Normal', () => {
+  const snowCode = SHARE_VIEW_ENUMS.style.indexOf('snow');
+  assert.equal(snowCode, 6, 'a retired code is never reused');
+  const params = new WireWriter()
+    .varint(LAYER_STATE_TOKEN_ALPHABET.indexOf('d'))
+    .varint(90)
+    .varint(LAYER_STATE_TOKEN_ALPHABET.indexOf('w'))
+    .varint(20)
+    .finish();
+  for (const writeStyle of [
+    (writer) => writer.uintField(14, snowCode),
+    (writer) => writer.textField(14, 'snow'),
+  ]) {
+    const writer = new WireWriter();
+    writer.bytes.push(1);
+    writeStyle(writer);
+    writer.bytesField(27, params);
+    const { state, unknownFields } = decodeOk(hashOf(writer.finish()));
+    assert.deepEqual(state, normalizeShareViewState({}));
+    assert.equal(unknownFields, undefined);
+  }
+});
+
 /* ---------------- integrity ---------------- */
 
 test('malformed input is rejected with a reason, never thrown', () => {

src/styles/snow.js

@@ -1,97 +0,0 @@
-import { msg } from '../i18n/marker.js';
-
-/**
- * Snow Style — White overlay + Desaturation + Falling particles
- * Transforms the world into a winter wonderland
- */
-export const snowShader = {
-  name: 'snow',
-  uniforms: {
-    density: { default: 0.6, min: 0, max: 1, label: msg('Density') },
-    wind: { default: 0.5, min: 0, max: 1, label: msg('Wind') },
-  },
-  fragmentShader: /* glsl */ `
-    uniform sampler2D colorTexture;
-    uniform vec2 colorTextureDimensions;
-    uniform float intensity;
-    uniform float time;
-    uniform float density;
-    uniform float wind;
-    in vec2 v_textureCoordinates;
-
-    // Hash function for pseudo-random snow
-    float hash(vec2 p) {
-      p = fract(p * vec2(123.34, 456.21));
-      p += dot(p, p + 45.32);
-      return fract(p.x * p.y);
-    }
-
-    // Layered snow particles
-    float snowLayer(vec2 uv, float layer) {
-      float depth = 0.5 + layer * 0.5;
-      float speed = 0.4 + layer * 0.3;
-      float size = mix(0.01, 0.025, layer);
-      float windForce = 0.05 + wind * 0.2;
-
-      vec2 snowUV = uv * vec2(1.0, 0.5) * (4.0 + layer * 4.0);
-      snowUV.y += time * speed;
-      // Offset is the integral of a swaying velocity sin(time * 0.5 + phase) * windForce,
-      // so the sway stays bounded however long the app has been running.
-      snowUV.x -= 2.0 * cos(time * 0.5 + layer * 3.14) * windForce;
-
-      vec2 cell = floor(snowUV);
-      vec2 f = fract(snowUV);
-
-      float snow = 0.0;
-      // Check neighboring cells for smooth particles
-      for (int y = -1; y <= 1; y++) {
-        for (int x = -1; x <= 1; x++) {
-          vec2 neighbor = vec2(float(x), float(y));
-          vec2 point = vec2(hash(cell + neighbor), hash(cell + neighbor + 100.0));
-          // Animate particle position slightly
-          point = 0.5 + 0.4 * sin(time * 0.3 + 6.2831 * point);
-          float d = length(f - neighbor - point);
-          snow += smoothstep(size, 0.0, d) * depth;
-        }
-      }
-      return snow;
-    }
-
-    void main() {
-      vec2 uv = v_textureCoordinates;
-      vec4 color = texture(colorTexture, uv);
-
-      // Cool/blue color shift
-      vec3 cool = color.rgb * vec3(0.85, 0.9, 1.1);
-
-      // Desaturate partially
-      float luma = dot(cool, vec3(0.299, 0.587, 0.114));
-      vec3 desaturated = mix(cool, vec3(luma), 0.4 * intensity);
-
-      // Brighten (snow coverage lightens everything)
-      vec3 brightened = mix(desaturated, vec3(1.0), 0.15 * intensity);
-
-      // Add white frost overlay on brighter areas
-      float frostMask = smoothstep(0.3, 0.8, luma);
-      vec3 frosted = mix(brightened, vec3(0.95, 0.97, 1.0), frostMask * 0.25 * intensity);
-
-      // Accumulate snow particle layers (density controls amount)
-      float snow = 0.0;
-      snow += snowLayer(uv, 0.0) * 0.5;
-      snow += snowLayer(uv, 0.25) * 0.6;
-      snow += snowLayer(uv, 0.5) * 0.7;
-      snow += snowLayer(uv, 0.75) * 0.8;
-      snow += snowLayer(uv, 1.0) * 1.0;
-      snow = clamp(snow * (0.4 + density * 1.2), 0.0, 1.0);
-
-      // Composite snow particles
-      vec3 result = frosted + snow * 0.8 * intensity;
-
-      // Subtle fog in lower areas
-      float fog = smoothstep(0.0, 0.4, 1.0 - uv.y) * 0.1 * intensity;
-      result = mix(result, vec3(0.85, 0.88, 0.95), fog);
-
-      out_FragColor = vec4(mix(color.rgb, result, intensity), color.a);
-    }
-  `,
-};

src/ui/applicationShell.js

@@ -1598,7 +1598,7 @@ export class StyleManager extends ShellFacade {
    * 2. Crossfades the new shader stage intensity to 1.
    * 3. Applies style preset defaults (bloom/sharpen/HUD) if applyPreset is true.
    * 4. Updates button highlights, style indicator, slider panel, HUD, and detection overlay.
-   * @param {string} styleName - Target style ('normal'|'retro'|'surveillance'|'thermal'|'anime'|'noir'|'snow').
+   * @param {string} styleName - Target style ('normal'|'retro'|'surveillance'|'thermal'|'anime'|'noir').
    * @param {object} [options]
    * @param {boolean} [options.applyPreset=true] - Whether to apply STYLE_PRESET_DEFAULTS for the new style.
    * @param {boolean} [options.userInitiated=false] - Whether a direct user preset choice owns the Cyber exit style.

src/ui/applicationShortcuts.js

@@ -5,7 +5,6 @@ const STYLE_KEYS = Object.freeze({
   4: 'thermal',
   5: 'anime',
   6: 'noir',
-  7: 'snow',
 });
 
 /**

src/ui/cockpitContext.js

@@ -1,6 +1,6 @@
 /** Contact readouts and nearby-signal presentation for the Cockpit controller. */
 import * as Cesium from 'cesium';
-import { formatNumber, getLocale, t, tn } from '../i18n/index.js';
+import { formatNumber, t, tn } from '../i18n/index.js';
 import { unitLabel } from './unitLabels.js';
 import {
   bearingBetweenCoordinates,
@@ -8,14 +8,17 @@ import {
   relativeBearing,
   resolveCockpitContextReadout,
 } from '../cockpitMath.js';
-import { formatCockpitDistance } from './cockpitPresentation.js';
+import {
+  cockpitUnitCase,
+  formatCockpitDistance,
+} from './cockpitPresentation.js';
 
 /** The Context scope line in the active language (see cockpitMath.js). */
 const LOCALIZED_CONTEXT_SCOPE = Object.freeze({
   window: ({ label, radiusKm }) =>
     t('{label} · {radius} AIR/SEA WINDOW', {
       label,
-      radius: `${radiusKm === null ? '—' : formatNumber(radiusKm)}\u00a0${getLocale().startsWith('zh-') ? unitLabel('km') : unitLabel('km').toUpperCase()}`,
+      radius: `${radiusKm === null ? '—' : formatNumber(radiusKm)}\u00a0${cockpitUnitCase(unitLabel('km'))}`,
     }),
   installations: ({ scope, coverage }) =>
     t('{scope} · INSTALLATIONS {coverage}', { scope, coverage }),

src/ui/cockpitInstruments.js

@@ -268,7 +268,6 @@ export function setVisionMode(mode, { revealParameters = false } = {}) {
     thermal: t('FLIR'),
     anime: t('ANIME'),
     noir: t('NOIR'),
-    snow: t('SNOW'),
   };
   const names = {
     optical: t('Normal'),
@@ -277,7 +276,6 @@ export function setVisionMode(mode, { revealParameters = false } = {}) {
     thermal: t('Thermal'),
     anime: t('Anime'),
     noir: t('Noir'),
-    snow: t('Snow'),
   };
   if (this.visionCurrent) {
     this.visionCurrent.dataset.cockpitVision = next;

src/ui/cockpitPresentation.js

@@ -150,7 +150,15 @@ export function formatCockpitDistance(distanceM) {
     minimumFractionDigits: digits,
     maximumFractionDigits: digits,
   });
-  return getLocale().startsWith('zh-') ? distance : distance.toUpperCase();
+  return cockpitUnitCase(distance);
+}
+
+/**
+ * Upper-case a cockpit unit the HUD way (`9.5 KM`), except in Chinese and
+ * Japanese, which have no case and keep units as the catalog writes them.
+ */
+export function cockpitUnitCase(text) {
+  return /^(zh|ja)(-|$)/.test(getLocale()) ? text : text.toUpperCase();
 }
 
 export function formatCockpitWindDirection(value) {

src/ui/cyberTheme.test.mjs

@@ -105,7 +105,6 @@ test('visual styles retain Cyber through real preset application without droppin
     'normal',
     'noir',
     'anime',
-    'snow',
     'thermal',
     'retro',
   ]) {
@@ -162,8 +161,8 @@ test('a preset explicitly selected in Cyber survives exit and resets for re-entr
   owner.setStyle('noir');
 
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
-  assert.equal(owner.activeStyle, 'snow');
+  owner.setStyle('anime', { userInitiated: true });
+  assert.equal(owner.activeStyle, 'anime');
   assert.equal(owner._preCyberStyle, 'noir');
   assert.equal(owner._cyberStyleUserSelected, true);
 
@@ -172,16 +171,16 @@ test('a preset explicitly selected in Cyber survives exit and resets for re-entr
   assert.equal(owner._preCyberStyle, 'noir');
   owner._setHudVariant('operator', { applyVisualDefaults: true });
   assert.equal(hud.getVariant(), 'operator');
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
   assert.equal(owner._preCyberStyle, null);
   assert.equal(owner._cyberStyleUserSelected, false);
 
   // A later untouched Cyber round trip restores the new pre-Cyber preset.
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
   assert.equal(owner.activeStyle, 'thermal');
-  assert.equal(owner._preCyberStyle, 'snow');
+  assert.equal(owner._preCyberStyle, 'anime');
   owner._setHudVariant('minimal', { applyVisualDefaults: true });
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
 });
 
 test('an explicit same-value FLIR choice is preserved on Cyber exit', (t) => {
@@ -200,15 +199,15 @@ test('an authoritative same-Cyber reset clears local preset ownership', (t) => {
   const { owner } = styleOwner(t, 'tactical');
   owner.setStyle('noir');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   assert.equal(owner._cyberStyleUserSelected, true);
 
   owner._setHudVariant('cyber');
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
   assert.equal(owner._preCyberStyle, null);
   assert.equal(owner._cyberStyleUserSelected, false);
   owner._setHudVariant('operator', { applyVisualDefaults: true });
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
 });
 
 test('Display and voice HUD routes preserve explicit Cyber entry and exit authority', async (t) => {
@@ -226,10 +225,10 @@ test('Display and voice HUD routes preserve explicit Cyber entry and exit author
   const display = makeOwner();
   const hudLayout = new EventTarget();
   hudLayout.value = 'cyber';
-  const snowButton = new EventTarget();
-  snowButton.dataset = { style: 'snow' };
+  const animeButton = new EventTarget();
+  animeButton.dataset = { style: 'anime' };
   const controls = bindDisplayControls({
-    elements: { hudLayout, styleButtons: [snowButton] },
+    elements: { hudLayout, styleButtons: [animeButton] },
     actions: {
       setHudLayout: (value) => display.owner.setHudLayout(value),
       setStyle: (value) =>
@@ -239,12 +238,12 @@ test('Display and voice HUD routes preserve explicit Cyber entry and exit author
   hudLayout.dispatchEvent(new Event('change'));
   assert.equal(display.hud.getVariant(), 'cyber');
   assert.equal(display.owner.activeStyle, 'thermal');
-  snowButton.dispatchEvent(new Event('click'));
-  assert.equal(display.owner.activeStyle, 'snow');
+  animeButton.dispatchEvent(new Event('click'));
+  assert.equal(display.owner.activeStyle, 'anime');
   hudLayout.value = 'operator';
   hudLayout.dispatchEvent(new Event('change'));
   assert.equal(display.hud.getVariant(), 'operator');
-  assert.equal(display.owner.activeStyle, 'snow');
+  assert.equal(display.owner.activeStyle, 'anime');
   controls.destroy();
 
   const voice = makeOwner();
@@ -263,13 +262,13 @@ test('Display and voice HUD routes preserve explicit Cyber entry and exit author
   assert.equal(entered.ok, true);
   assert.equal(voice.hud.getVariant(), 'cyber');
   assert.equal(voice.owner.activeStyle, 'thermal');
-  const selected = await runVoiceAction('set_visual_style', { style: 'snow' });
+  const selected = await runVoiceAction('set_visual_style', { style: 'anime' });
   assert.equal(selected.ok, true);
-  assert.equal(voice.owner.activeStyle, 'snow');
+  assert.equal(voice.owner.activeStyle, 'anime');
   const exited = await runVoiceAction('set_hud', { layout: 'operator' });
   assert.equal(exited.ok, true);
   assert.equal(voice.hud.getVariant(), 'operator');
-  assert.equal(voice.owner.activeStyle, 'snow');
+  assert.equal(voice.owner.activeStyle, 'anime');
 });
 
 test('scope choice and expanded feather survive every HUD layout and both restore paths', async (t) => {
@@ -301,11 +300,18 @@ test('scope choice and expanded feather survive every HUD layout and both restor
   assert.equal(owner._scopeFeatherSlider.value, '200');
 });
 
+test('a scene shot saved with the retired Snow style plays on Normal', async (t) => {
+  const { owner } = styleOwner(t, 'tactical');
+  owner.setStyle('noir');
+  await owner.applyVisualState({ style: 'snow' });
+  assert.equal(owner.activeStyle, 'normal');
+});
+
 test('scene and share HUD transitions do not restore a local pre-Cyber preset', async (t) => {
   const { owner, hud } = styleOwner(t, 'tactical');
   owner.setStyle('noir');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   assert.equal(owner._cyberStyleUserSelected, true);
 
   await owner.applyVisualState({ style: 'retro', hud: { variant: 'cyber' } });
@@ -319,7 +325,7 @@ test('scene and share HUD transitions do not restore a local pre-Cyber preset',
   owner.setStyle('surveillance');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
   assert.equal(owner._preCyberStyle, 'surveillance');
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   await owner.restoreShareState({
     style: 'thermal',
     hudVariant: 'cyber',

src/ui/layerPanel.js

@@ -136,9 +136,11 @@ export function layerKeyRequirementTooltip(layer = {}) {
 
 const ROW_TEXT_SEPARATOR = ' · ';
 
-// A short Latin code joined by hyphens. Longer runs (a URL, a token in an
-// error) keep their break opportunities so they cannot overflow the rail.
-const HYPHENATED_CODE = /[A-Za-z0-9]+(?:-[A-Za-z0-9]+)+/g;
+// A short Latin code joined by hyphens: every part after a hyphen is capitals
+// or digits (ADS-B, RTL-SDR, GTFS-RT). A compound such as "ALPR-Kameras" is a
+// word, not a code, and may break at its hyphen. Longer runs (a URL, a token
+// in an error) keep their break opportunities so they cannot overflow the rail.
+const HYPHENATED_CODE = /\b[A-Za-z0-9]+(?:-[A-Z0-9]+)+(?![A-Za-z0-9])/g;
 const HYPHENATED_CODE_MAX = 16;
 
 /** A span for one run of row text; `keep` stops the browser breaking inside it. */

src/ui/layerPanel.test.mjs

@@ -324,6 +324,15 @@ test('row text keeps a hyphenated code whole and never starts a line with the se
     assert.equal(plain.textContent, 'Satellites');
     assert.equal(plain.children.length, 0);
 
+    const compound = element();
+    setRowText(compound, 'Kartierte ALPR-Kameras · ADS-B-Flüge');
+    assert.equal(text(compound), 'Kartierte ALPR-Kameras · ADS-B-Flüge');
+    assert.deepEqual(
+      kept(compound),
+      [' ·', 'ADS-B'],
+      'a compound may break at its hyphen; the code inside it stays whole',
+    );
+
     const long = element();
     setRowText(long, 'see https-proxy-endpoint-config-x');
     assert.deepEqual(kept(long), [], 'a long hyphenated run may still wrap');

src/ui/localePicker.test.mjs

@@ -31,6 +31,9 @@ const MANY = Object.keys(NAMES);
 
 const codes = (rows) => rows.map((row) => row.code);
 
+// Few enough languages that the picker has no search field.
+const UNSEARCHED = ['en', 'es', 'ru', 'uk', 'zh-CN', 'zh-Hant'];
+
 test('the current language comes first, the rest by their own names', () => {
   assert.deepEqual(
     codes(
@@ -40,7 +43,20 @@ test('the current language comes first, the rest by their own names', () => {
         nativeNames: LOCALE_NAMES,
       }),
     ),
-    ['ru', 'en', 'es', 'ar', 'zh-CN', 'zh-Hant'],
+    [
+      'ru',
+      'uk',
+      'de',
+      'en',
+      'es',
+      'fr',
+      'it',
+      'pt',
+      'ar',
+      'zh-CN',
+      'zh-Hant',
+      'ja',
+    ],
   );
   assert.deepEqual(
     codes(
@@ -50,7 +66,20 @@ test('the current language comes first, the rest by their own names', () => {
         nativeNames: LOCALE_NAMES,
       }),
     ),
-    ['es', 'en', 'ru', 'ar', 'zh-CN', 'zh-Hant'],
+    [
+      'es',
+      'de',
+      'en',
+      'fr',
+      'it',
+      'pt',
+      'ru',
+      'uk',
+      'ar',
+      'zh-CN',
+      'zh-Hant',
+      'ja',
+    ],
   );
   assert.deepEqual(
     codes(
@@ -60,7 +89,20 @@ test('the current language comes first, the rest by their own names', () => {
         nativeNames: LOCALE_NAMES,
       }),
     ),
-    ['en', 'es', 'ru', 'ar', 'zh-CN', 'zh-Hant'],
+    [
+      'en',
+      'de',
+      'es',
+      'fr',
+      'it',
+      'pt',
+      'ru',
+      'uk',
+      'ar',
+      'zh-CN',
+      'zh-Hant',
+      'ja',
+    ],
   );
   assert.deepEqual(
     codes(
@@ -70,7 +112,20 @@ test('the current language comes first, the rest by their own names', () => {
         nativeNames: LOCALE_NAMES,
       }),
     ),
-    ['ar', 'en', 'es', 'ru', 'zh-CN', 'zh-Hant'],
+    [
+      'ar',
+      'de',
+      'en',
+      'es',
+      'fr',
+      'it',
+      'pt',
+      'ru',
+      'uk',
+      'zh-CN',
+      'zh-Hant',
+      'ja',
+    ],
   );
   const rows = buildLocaleOptions({
     locales: MANY,
@@ -105,6 +160,8 @@ test('each row gets the interface-language name for search, unless it only repea
   const byCode = Object.fromEntries(rows.map((row) => [row.code, row]));
   assert.equal(byCode.en.localName, 'английский');
   assert.equal(byCode.es.localName, 'испанский');
+  assert.equal(byCode.de.localName, 'немецкий');
+  assert.equal(byCode.fr.localName, 'французский');
   assert.equal(byCode.ru.localName, '', 'русский only repeats Русский');
   const english = buildLocaleOptions({
     locales: LOCALES,
@@ -113,6 +170,7 @@ test('each row gets the interface-language name for search, unless it only repea
     localName: createLocalNameReader('en'),
   });
   assert.equal(english.find((row) => row.code === 'es').localName, 'Spanish');
+  assert.equal(english.find((row) => row.code === 'fr').localName, 'French');
 });
 
 test('without Intl.DisplayNames the interface-language name is simply left out', () => {
@@ -175,7 +233,10 @@ test('search folds case and diacritics, and matches either name or the code', ()
 
 test('the search field appears only above the threshold', () => {
   assert.equal(LOCALE_SEARCH_THRESHOLD, 8);
-  assert.equal(createLocalePickerModel({ current: 'en' }).searchable, false);
+  assert.equal(
+    createLocalePickerModel({ current: 'en' }).searchable,
+    LOCALES.length > LOCALE_SEARCH_THRESHOLD,
+  );
   const eight = MANY.slice(0, 8);
   assert.equal(
     createLocalePickerModel({
@@ -260,6 +321,7 @@ test('type-ahead cycles by first letter and refines with more letters', () => {
 
 test('keyboard model: open on the current language, move, choose, close', () => {
   const model = createLocalePickerModel({
+    locales: UNSEARCHED,
     current: 'ru',
     localName: createLocalNameReader('ru'),
   });
@@ -271,7 +333,8 @@ test('keyboard model: open on the current language, move, choose, close', () =>
   model.openList();
   assert.equal(model.activeOption.code, 'ru');
   assert.deepEqual(model.keydown({ key: 'ArrowDown' }), { handled: true });
-  assert.equal(model.activeOption.code, 'en');
+  // Russian collation puts the other Cyrillic name next.
+  assert.equal(model.activeOption.code, 'uk');
   model.keydown({ key: 'End' });
   assert.equal(model.activeOption.code, 'zh-Hant');
   model.keydown({ key: 'Home' });
@@ -285,7 +348,7 @@ test('keyboard model: open on the current language, move, choose, close', () =>
   model.keydown({ key: 'ArrowDown' });
   assert.deepEqual(model.keydown({ key: ' ' }), {
     handled: true,
-    choose: 'en',
+    choose: 'uk',
   });
   assert.deepEqual(model.keydown({ key: 'Escape' }), {
     handled: true,
@@ -302,7 +365,11 @@ test('keyboard model: open on the current language, move, choose, close', () =>
 
 test('keyboard model: type-ahead resets after a pause and ignores shortcuts', () => {
   let clock = 0;
-  const model = createLocalePickerModel({ current: 'en', now: () => clock });
+  const model = createLocalePickerModel({
+    locales: UNSEARCHED,
+    current: 'en',
+    now: () => clock,
+  });
   model.openList();
   assert.deepEqual(model.keydown({ key: 'e' }), { handled: true });
   assert.equal(model.activeOption.code, 'es');

src/ui/scenePresentation.js

@@ -12,7 +12,6 @@ const STYLE_LABELS = Object.freeze({
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 });
 
 const DETECTION_MODE_LABELS = Object.freeze({

src/ui/styles/bhote-koshi.css

@@ -518,14 +518,15 @@ html:not([lang='en']) .bhote-event-story-current strong {
   -webkit-line-clamp: 2;
 }
 
-/* Phase / time / sources run long in translation: allow a second line. */
+/* Phase / time / sources / imagery note run long in translation: allow up to
+   three lines so the last status is not cut off. */
 html:not([lang='en']) .bhote-event-story-current small {
   display: -webkit-box;
   margin-top: 3px;
   text-overflow: clip;
   white-space: normal;
   -webkit-box-orient: vertical;
-  -webkit-line-clamp: 2;
+  -webkit-line-clamp: 3;
 }
 
 .bhote-event-actions {

src/ui/styles/cjk.css

@@ -1,6 +1,7 @@
-/* Tight tracking keeps Chinese labels readable; preserve Latin tracking for
-   intel HUD readouts and content marked translate="no", including its containers. */
-html:lang(zh)
+/* Chinese and Japanese text. Tight tracking keeps CJK labels readable;
+   preserve Latin tracking for intel HUD readouts and content marked
+   translate="no", including its containers. */
+html:is(:lang(zh), :lang(ja))
   body
   :not(
     #intel-hud,
@@ -12,40 +13,67 @@ html:lang(zh)
   letter-spacing: 0.02em !important;
 }
 
-/* Keep small Chinese labels legible at a minimum of 9px. */
-html:lang(zh) #command-dock .gev-mic-label,
-html:lang(zh) #command-dock #gev-voice-detail,
-html:lang(zh) .gev-voice-tier-btn,
-html:lang(zh) .panel-layer-toggle {
+/* Japanese line breaking: never start a line with ー, a small kana or closing
+   punctuation (プレビュ / ー). */
+html:lang(ja) body {
+  line-break: strict;
+}
+
+/* Keep small CJK labels legible at a minimum of 9px. */
+html:is(:lang(zh), :lang(ja)) #command-dock .gev-mic-label,
+html:is(:lang(zh), :lang(ja)) #command-dock #gev-voice-detail,
+html:is(:lang(zh), :lang(ja)) .gev-voice-tier-btn,
+html:is(:lang(zh), :lang(ja)) .panel-layer-toggle {
   font-size: 9px;
 }
 
 /* A two-glyph button label must not break between its glyphs. */
-html:lang(zh) .pp-mode-btn {
+html:is(:lang(zh), :lang(ja)) .pp-mode-btn {
+  white-space: nowrap;
+}
+
+/* Japanese segment labels are short words (すべて, 平面): keep each whole. */
+html:lang(ja) .gev-segment {
   white-space: nowrap;
 }
 
 /* Keep unit symbols in their catalog case, including the cockpit readouts. */
-html:lang(zh) #intel-hud *,
-html:lang(zh) #cockpit-hud * {
+html:is(:lang(zh), :lang(ja)) #intel-hud *,
+html:is(:lang(zh), :lang(ja)) #cockpit-hud * {
   text-transform: none;
 }
 
-/* Move short travel modes (步行 / 骑行) to the next line as whole words. */
-html:lang(zh) [data-layer-id='directions'] .data-toggle-meta {
+/* Move short travel modes (步行 / 骑行, 徒歩 / 自転車) to the next line as
+   whole words. */
+html:is(:lang(zh), :lang(ja)) [data-layer-id='directions'] .data-toggle-meta {
   word-break: keep-all;
   overflow-wrap: break-word;
 }
 
 /* Leave room for the complete sensor name and resolution on two lines. */
-html:lang(zh) .recent-imagery-readout .ri-strip {
+html:is(:lang(zh), :lang(ja)) .recent-imagery-readout .ri-strip {
   height: 131px;
 }
-html:lang(zh) .recent-imagery-readout .ri-card {
+html:is(:lang(zh), :lang(ja)) .recent-imagery-readout .ri-card {
   height: 123px;
   grid-template-rows: 42px 13px 22px 11px 18px;
 }
-html:lang(zh) .recent-imagery-readout .ri-card-sensor {
+html:is(:lang(zh), :lang(ja)) .recent-imagery-readout .ri-card-sensor {
   white-space: normal;
   text-overflow: clip;
 }
+
+/* The Japanese imagery slot line wraps at its · separators, never inside a
+   word (プレ / ビュー); a run too long for the line still breaks. */
+html:lang(ja) .recent-imagery-readout .ri-slot-value {
+  word-break: keep-all;
+  overflow-wrap: break-word;
+}
+
+/* Japanese layer status lines wrap at their spaces and · separators, so an
+   age such as 1分以内 stays whole (更新 1 / 分以内); a run too long for the
+   line still breaks. */
+html:lang(ja) .data-toggle-meta {
+  word-break: keep-all;
+  overflow-wrap: break-word;
+}

src/ui/styles/cockpit.css

@@ -730,7 +730,8 @@ html:not([lang='en']) .cockpit-roll-token.is-separator {
 }
 .cockpit-vision-controls {
   display: grid;
-  grid-template-columns: 48px 58px 48px;
+  /* The current style grows for a long translated name (ЗВИЧАЙНИЙ). */
+  grid-template-columns: 48px minmax(58px, max-content) 48px;
   align-items: stretch;
   gap: 2px;
   margin-top: 2px;

src/ui/styles/cyber.css

@@ -747,12 +747,6 @@
   .btn-icon::before {
   content: '◐';
 }
-:root[data-ui-theme='cyber']
-  #command-dock
-  .style-btn[data-style='snow']
-  .btn-icon::before {
-  content: '❄︎';
-}
 
 :root[data-ui-theme='cyber'] :where(#bloom-toggle, #sharpen-toggle) {
   font-size: 0;

src/ui/styles/radio.css

@@ -688,6 +688,12 @@ html:not([lang='en']) .data-count {
   text-wrap: balance;
 }
 
+/* The status column keeps its width, so a wide chip (WIRD AKTIVIERT) never
+   overlaps the name; the name wraps in the room left beside it. */
+html:not([lang='en']) .data-toggle-right {
+  flex: none;
+}
+
 /* Row text pieces that must not break inside: a hyphenated code (ADS-B) and
    the space before a " · " separator (see setRowText in layerPanel.js). */
 html:not([lang='en']) .data-keep {

src/ui/templates/command-dock.html

@@ -43,11 +43,6 @@
           <span class="btn-label" data-i18n>Noir</span>
           <span class="btn-key">6</span>
         </button>
-        <button class="style-btn" data-style="snow" title="Add a cold, snowy whiteout treatment to the scene." data-i18n-title>
-          <span class="btn-icon">❄</span>
-          <span class="btn-label" data-i18n>Snow</span>
-          <span class="btn-key">7</span>
-        </button>
       </div>
       <section class="map-source-section" aria-labelledby="map-source-label">
         <div class="map-source-heading">

src/ui/templates/context.html

@@ -122,7 +122,7 @@
               <button id="radio-enable-btn" class="panel-layer-toggle" type="button" aria-pressed="false" data-i18n>ENABLE</button>
               <label class="radio-filter-label" for="radio-filter" data-i18n>STATION TAG</label>
               <select class="gev-field" id="radio-filter" aria-label="Filter stations by station tag" disabled data-i18n-aria-label>
-                <option value="all" data-i18n>All</option>
+                <option value="all" data-i18n data-i18n-context="radio tag">All</option>
               </select>
             </div>
             <div id="radio-station-card" class="radio-station-card" aria-live="polite">

src/ui/unitLabels.js

@@ -1,4 +1,4 @@
-import { formatNumber, isolate, msg, t } from '../i18n/index.js';
+import { formatNumber, getLocale, isolate, msg, t } from '../i18n/index.js';
 
 // Unit ids stay English in data, params and AI-tool readings; only the label
 // shown on the page is translated. dBZ and °C read the same in every language.
@@ -23,6 +23,17 @@ export function unitLabel(unit) {
   return Object.hasOwn(UNIT_LABELS, unit) ? t(UNIT_LABELS[unit]) : unit || '';
 }
 
+/**
+ * What goes between a number and its unit label: a no-break space, except
+ * before a Japanese unit word, which follows the number directly (5分, 1時間).
+ */
+export function quantitySeparator(label) {
+  return getLocale() === 'ja' &&
+    /^[\p{Script=Han}\p{Script=Hiragana}\p{Script=Katakana}]/u.test(label)
+    ? ''
+    : '\u00a0';
+}
+
 /**
  * A number and its unit that never break apart: "22,0 км/ч". Readings carry
  * no digit grouping ("1008 hPa"), as on weather charts.
@@ -30,7 +41,9 @@ export function unitLabel(unit) {
 export function formatQuantity(value, unit, options) {
   const label = unitLabel(unit);
   const number = formatNumber(value, { useGrouping: false, ...options });
-  return label ? isolate(`${number}\u00a0${label}`) : number;
+  return label
+    ? isolate(`${number}${quantitySeparator(label)}${label}`)
+    : number;
 }
 
 /**

src/ui/unitLabels.test.mjs

@@ -44,3 +44,14 @@ test('other languages get their decimal separator and no digit grouping', () =>
     setLocale('en');
   }
 });
+
+test('Japanese unit words follow the number directly; symbols keep the space', () => {
+  try {
+    setLocale('ja');
+    assert.equal(formatQuantity(5, 'min'), '5分');
+    assert.equal(formatQuantity(1, 'h'), '1時間');
+    assert.equal(formatQuantity(95, 'kt'), '95\u00a0kt');
+  } finally {
+    setLocale('en');
+  }
+});

src/ui/visualEffects.test.mjs

@@ -77,7 +77,7 @@ test('construction is inert and initialization creates one owned pipeline', () =
   assert.equal(f.frames.size, 0);
   f.effects.initStyles();
   f.effects.initPostProcess();
-  assert.equal(f.stages.size, 7);
+  assert.equal(f.stages.size, 6);
   assert.ok(
     Object.values(f.effects.stages).every(
       (stage) => !stage.enabled && stage.uniforms.intensity === 0,
@@ -85,7 +85,7 @@ test('construction is inert and initialization creates one owned pipeline', () =
   );
   f.effects.initStyles();
   f.effects.initPostProcess();
-  assert.equal(f.stages.size, 7);
+  assert.equal(f.stages.size, 6);
   f.effects.destroy();
 });
 
@@ -252,7 +252,7 @@ test('stop revokes pending work immediately but retains stages until final destr
   assert.equal(f.frames.size, 0);
   assert.equal(
     f.stages.size,
-    7,
+    6,
     'Context and Cockpit may still be releasing these stages',
   );
   const intensity = f.effects.stages.retro.uniforms.intensity;
@@ -281,7 +281,7 @@ test('destroying one instance does not remove another pipeline or clock', () =>
   a.effects.destroy();
   b.tick(250);
   assert.equal(a.stages.size, 0);
-  assert.equal(b.stages.size, 6);
+  assert.equal(b.stages.size, 5);
   assert.equal(b.effects.stages.retro.uniforms.intensity, 0.5);
   b.effects.destroy();
 });

src/ui/visualInput.test.mjs

@@ -73,13 +73,13 @@ function shortcuts() {
   return { documentRef, searchInput, calls, controller, press };
 }
 
-test('number keys retain the seven style mappings', () => {
+test('number keys retain the six style mappings', () => {
   const f = shortcuts();
   for (const key of ['1', '2', '3', '4', '5', '6', '7', '8', 'Space'])
     f.press(key);
   assert.deepEqual(
     f.calls,
-    ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir', 'snow'].map(
+    ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir'].map(
       (style) => ['setStyle', style],
     ),
   );

src/ui/visualPresets.js

@@ -1,7 +1,6 @@
 import { retroShader } from '../styles/retro.js';
 import { animeShader } from '../styles/anime.js';
 import { noirShader } from '../styles/noir.js';
-import { snowShader } from '../styles/snow.js';
 import { nightVisionShader } from '../styles/surveillance.js';
 import { thermalShader } from '../styles/thermal.js';
 import { BLOOM_INTENSITY_DEFAULT } from '../bloom.js';
@@ -16,7 +15,6 @@ export const STYLES = {
   thermal: thermalShader,
   anime: animeShader,
   noir: noirShader,
-  snow: snowShader,
 };
 
 /**
@@ -156,5 +154,4 @@ export const STYLE_STATUS_LABELS = {
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 };

src/ui/visualSettings.js

@@ -1,6 +1,7 @@
 import { clampScopeFeatherPct } from '../scopeMaskPolicy.js';
 import { syncScopeControls } from './displayControls.js';
 import { STYLE_STATUS_LABELS } from './visualPresets.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 import { syncSegmentedControl } from './segmentedControl.js';
 import { t } from '../i18n/index.js';
 import { UiLifetime } from './uiLifetime.js';
@@ -1272,8 +1273,9 @@ export class VisualSettings {
     const superseded = () => typeof isCurrent === 'function' && !isCurrent();
     if (superseded()) return false;
 
-    if (state.style && state.style !== this.activeStyle) {
-      this.setStyle(state.style, { applyPreset: false });
+    const style = RETIRED_STYLES.includes(state.style) ? 'normal' : state.style;
+    if (style && style !== this.activeStyle) {
+      this.setStyle(style, { applyPreset: false });
     }
 
     const bloomState = state.bloom || {};

src/view/index.js

@@ -11,6 +11,7 @@ import {
   decodeLayerStateParams,
   encodeLayerStateParams,
 } from '../data/layerState.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 
 /** Visual styles by internal name, with the name share links use. */
 export const STYLE_URL_NAMES = Object.freeze({
@@ -20,7 +21,6 @@ export const STYLE_URL_NAMES = Object.freeze({
   thermal: 'flir',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 const STYLES_BY_URL_NAME = Object.freeze(
@@ -254,6 +254,7 @@ export function createView({
 } = {}) {
   if (!Number.isFinite(camera?.lat) || !Number.isFinite(camera?.lon))
     throw new TypeError('A view needs a camera lat and lon');
+  if (RETIRED_STYLES.includes(style)) style = 'normal';
   if (style !== null && !VIEW_STYLES.includes(style))
     throw new TypeError(`Unknown view style: ${style}`);
   if (map !== null && !VIEW_MAPS.includes(map))
@@ -370,9 +371,11 @@ export function viewFromParams(params) {
       pitch_deg: number('pitch'),
     },
     layers: state?.enabledLayerIds ?? [],
-    style: Object.hasOwn(STYLES_BY_URL_NAME, params.get('style'))
-      ? STYLES_BY_URL_NAME[params.get('style')]
-      : null,
+    style: RETIRED_STYLES.includes(params.get('style'))
+      ? 'normal'
+      : Object.hasOwn(STYLES_BY_URL_NAME, params.get('style'))
+        ? STYLES_BY_URL_NAME[params.get('style')]
+        : null,
     map: VIEW_MAPS.includes(map) ? map : null,
     follow,
     annotations: annotationsFromParams(params),

src/view/index.test.mjs

@@ -127,6 +127,14 @@ test('annotations travel in the link, keeping only what the app draws', async ()
   assert.equal(viewToParams(many).has('an'), false);
 });
 
+test('a view naming the retired Snow style opens on Normal', () => {
+  const camera = { lat: 1, lon: 2 };
+  assert.equal(createView({ camera, style: 'snow' }).style, 'normal');
+  const view = viewFromParams(new URLSearchParams('lat=1&lon=2&style=snow'));
+  assert.equal(view.style, 'normal');
+  assert.equal(viewToParams(view).get('style'), 'normal');
+});
+
 test('inherited and unknown style keys do not corrupt a restored view', () => {
   for (const style of [
     'constructor',

src/visualStylePolicy.js

@@ -0,0 +1,7 @@
+/**
+ * Browser-free style vocabulary shared by views, share links and the UI.
+ * Styles the app no longer offers, by the name share links used: a view,
+ * link, scene or shot that names one opens on Normal instead of keeping
+ * whatever style was already showing.
+ */
+export const RETIRED_STYLES = Object.freeze(['snow']);

src/voice/actionSchemas.js

@@ -248,15 +248,7 @@ const schemas = [
       properties: {
         style: {
           type: 'string',
-          enum: [
-            'normal',
-            'retro',
-            'surveillance',
-            'thermal',
-            'anime',
-            'noir',
-            'snow',
-          ],
+          enum: ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir'],
         },
       },
       required: ['style'],

src/voice/actionSchemas.test.mjs

@@ -45,7 +45,8 @@ test('the complete Realtime tool payload pins the manifest-generated layer relea
     // S2 GhostMaps extends the generated layer enums.
     // Panel adds named voice targets and timeout; shared Panel/Cockpit guidance
     // is consolidated without changing either feature's arguments.
-    '9ee82c4214499280c208c93751b19d7b724c81b7727a2d0c6dab0184749fbe15',
+    // Snow leaves the set_visual_style enum.
+    '724a82b538a12a994401fc941e175625b032bfb96109934e091d3ef5b9600909',
   );
 });
 
@@ -169,6 +170,18 @@ test('all legacy action arguments are byte-identical after removing the delibera
   // Cyber adds one HUD layout.
   const hud = property('set_hud').layout;
   hud.enum = hud.enum.filter((layout) => layout !== 'cyber');
+  // Snow is retired from set_visual_style; restore it to keep the legacy pin.
+  const visualStyle = legacy.find((tool) => tool.name === 'set_visual_style')
+    .parameters.properties.style;
+  assert.deepEqual(visualStyle.enum, [
+    'normal',
+    'retro',
+    'surveillance',
+    'thermal',
+    'anime',
+    'noir',
+  ]);
+  visualStyle.enum = [...visualStyle.enum, 'snow'];
   // Derived by applying the same removals to the 4b56d0e9 actionSchemas.
   assert.equal(
     createHash('sha256').update(JSON.stringify(legacy)).digest('hex'),

src/voice/gevActions.js

@@ -66,7 +66,6 @@ const ALLOWED_STYLES = new Set([
   'thermal',
   'anime',
   'noir',
-  'snow',
 ]);
 const PANEL_ALIASES = new Map([
   ['data', 'data-panel'],

src/voice/speech.js

@@ -963,7 +963,10 @@ export function progressStepLabel(step, label) {
     : step
       ? spokenLabel(step, 24)
       : t('Working');
-  return label ? `${base}: ${spokenLabel(label, 32)}` : base;
+  // The join is a catalog string so each language spaces its colon.
+  return label
+    ? t('{name}: {state}', { name: base, state: spokenLabel(label, 32) })
+    : base;
 }
 
 /**

src/voice/speech.test.mjs

@@ -9,6 +9,7 @@ import {
   spokenLabel,
 } from './speech.js';
 import { countWords, findHedges } from './speechLint.js';
+import { setLocale } from '../i18n/index.js';
 
 function envelope(name, result, args) {
   return attachVoiceResult(name, result, args);
@@ -459,3 +460,15 @@ test('labels are bounded and cleaned before they are spoken', () => {
     'background steps stay on screen',
   );
 });
+
+test('progress step labels join through the catalog colon', () => {
+  setLocale('fr');
+  try {
+    assert.equal(
+      progressStepLabel('resolve', 'Capitol'),
+      'Recherche de lieux\u202f: Capitol',
+    );
+  } finally {
+    setLocale('en');
+  }
+});