diff --git a/scripts/package-boundaries.json b/scripts/package-boundaries.json
index d9849ed78..016563f0b 100644
--- a/scripts/package-boundaries.json
+++ b/scripts/package-boundaries.json
@@ -2661,6 +2661,7 @@
       "src/app/stateChannel.js",
       "src/app/surfaceServices.js",
       "src/app/tools.js",
+      "src/app/sessionTools.js",
       "src/app/sessionVoice.js",
       "src/app/sceneParts.js",
       "src/app/shellPart.js",
@@ -3597,6 +3598,7 @@
       "src/globe/navara/viewOptions.js",
       "src/app/engineChoice.js",
       "src/app/navaraMode.js",
+      "src/app/navaraTools.js",
       "src/data/render/cesiumProjection.js",
       "src/data/render/cesiumConstants.js",
       "src/data/render/cesiumTrailRenderer.js",
diff --git a/src/annotations/drawTool.test.mjs b/src/annotations/drawTool.test.mjs
index a1371a770..85e0ccc1d 100644
--- a/src/annotations/drawTool.test.mjs
+++ b/src/annotations/drawTool.test.mjs
@@ -21,19 +21,25 @@ const tool = () => read('src/annotations/drawTool.js');
 
 test('the application composition wires the draw tool and owns its teardown', () => {
   const tools = read('src/app/tools.js');
+  const session = read('src/app/sessionTools.js');
   const engineAt = tools.indexOf('const annotations = sessionAnnotations({');
   const drawAt = tools.indexOf(
-    "const drawTool = sessionTool(layerSession, 'draw', defer, () =>\n    createSessionDrawTool({\n      annotations,\n      navigation: styleManager,\n      publish: (view) => displayStore.publishDraw(view),",
+    'const drawTool = sessionDrawTool({\n    layerSession,\n    annotations,',
   );
   assert.ok(engineAt >= 0, 'the session annotation board is missing');
   assert.ok(
     drawAt > engineAt,
     'the draw tool must follow the annotation board and receive it',
   );
+  // The page session owns the tool; its rows answer through the store.
   assert.match(
-    tools,
+    session,
     /import \{ createSessionDrawTool \} from '\.\.\/annotations\/drawTool\.js';/,
   );
+  assert.match(
+    session,
+    /sessionTool\(layerSession, 'draw', defer, \(\) =>\s*createSessionDrawTool\(\{\s*annotations,\s*navigation: styleManager,\s*publish: \(view\) => displayStore\.publishDraw\(view\),/,
+  );
   // The tool holds a pointer claim, DOM listeners and a data source on the
   // viewer, so the viewer's attachment ends it — not whoever last pressed the
   // button; the session tool ends with the page.
diff --git a/src/app/navaraMode.js b/src/app/navaraMode.js
index 123f854f1..5f52a2358 100644
--- a/src/app/navaraMode.js
+++ b/src/app/navaraMode.js
@@ -18,6 +18,11 @@ import {
 } from '../renderGovernor.js';
 import { attachSessionVoice } from './sessionVoice.js';
 import { initNavaraImageryBoxTool } from '../ui/imageryBoxNavara.js';
+import {
+  attachNavaraAnnotations,
+  attachNavaraDraw,
+  attachNavaraGeoImport,
+} from './navaraTools.js';
 import { createRecentImageryPanel } from '../ui/recentImagery.js';
 
 // Native mesh capability stays at the composition boundary.
@@ -461,6 +466,16 @@ export function attachViewerlessTools(
   });
   // The notice is this engine's: it goes when the engine does.
   defer(() => styleManager._clearPersistentStatusNotice?.());
+  // The page session's annotation board, Draw and Import on this engine
+  // (src/app/navaraTools.js).
+  const tools = { engine, view: navaraViews.get(engine) };
+  const context = { operations, placeSearch, layerSession, styleManager };
+  const annotations = attachNavaraAnnotations(tools, context, {
+    signal,
+    defer,
+  });
+  attachNavaraDraw(tools, { ...context, annotations }, { signal, defer });
+  attachNavaraGeoImport(tools, context, { signal, defer });
   // Voice on the engine (phase 3, Task 9): the W1 tools drive the engine;
   // the Director uses the shared session; viewer-only tools declare availability.
   const voiceCommands = attachSessionVoice({
@@ -474,10 +489,10 @@ export function attachViewerlessTools(
       engine,
       styleManager,
       sceneDirector,
-      annotations: null,
+      annotations,
     },
     signal,
     defer,
   });
-  return { annotations: null, voiceCommands };
+  return { annotations, voiceCommands };
 }
diff --git a/src/app/navaraTools.js b/src/app/navaraTools.js
new file mode 100644
index 000000000..2ba97f3d8
--- /dev/null
+++ b/src/app/navaraTools.js
@@ -0,0 +1,21 @@
+// The page session's annotation board, Draw and Import on the experimental
+// Navara engine (src/app/sessionTools.js holds the tools themselves). Loaded
+// with src/app/navaraMode.js, so the Cesium-mode bundle carries none of it.
+
+/**
+ * The annotation board drawn on this Navara scene. Returns the board, or
+ * null while the engine draws no annotations.
+ */
+export function attachNavaraAnnotations() {
+  return null;
+}
+
+/** UTILITIES ▸ Draw on this Navara scene; null while it has none. */
+export function attachNavaraDraw() {
+  return null;
+}
+
+/** UTILITIES ▸ Import on this Navara scene; null while it has none. */
+export function attachNavaraGeoImport() {
+  return null;
+}
diff --git a/src/app/sessionTools.js b/src/app/sessionTools.js
new file mode 100644
index 000000000..38fe3ddb9
--- /dev/null
+++ b/src/app/sessionTools.js
@@ -0,0 +1,126 @@
+// The page session's tools that outlive a globe engine: the annotation board,
+// UTILITIES ▸ Draw and UTILITIES ▸ Import. Each is created once per page
+// session (destroyed with the page) and attaches its drawing to whichever
+// engine the page shows: src/app/tools.js on a Cesium viewer,
+// src/app/navaraTools.js on Navara.
+
+import { createSessionAnnotations } from '../annotations/index.js';
+import { createSessionDrawTool } from '../annotations/drawTool.js';
+import { createGeoFileImport } from '../ui/geoFileImport.js';
+import { useDisplayStore } from '../ui/stores/display.js';
+import { applicationPinia } from '../ui/vueRuntime.js';
+
+/**
+ * The annotation board: the page session's when there is one (created once,
+ * destroyed with the page), else this application's.
+ */
+export function sessionAnnotations({
+  layerSession,
+  placeSearch,
+  resolver,
+  defer,
+}) {
+  const create = () => createSessionAnnotations({ placeSearch, resolver });
+  if (!layerSession) {
+    const annotations = create();
+    defer(() => destroyAnnotations(annotations));
+    return annotations;
+  }
+  if (!layerSession.annotations) {
+    const annotations = (layerSession.annotations = create());
+    layerSession.lifetime.signal.addEventListener(
+      'abort',
+      () => destroyAnnotations(annotations),
+      { once: true },
+    );
+  }
+  return layerSession.annotations;
+}
+
+/**
+ * A tool of the page session (created once, destroyed with the page) when
+ * there is one, else of this application. `create()` may return null.
+ */
+export function sessionTool(layerSession, name, defer, create) {
+  if (!layerSession) {
+    const tool = create();
+    defer(() => tool?.destroy());
+    return tool;
+  }
+  const tools = (layerSession.tools ??= {});
+  if (!(name in tools)) {
+    const tool = (tools[name] = create());
+    layerSession.lifetime.signal.addEventListener(
+      'abort',
+      () => tool?.destroy(),
+      { once: true },
+    );
+  }
+  return tools[name];
+}
+
+function destroyAnnotations(annotations) {
+  if (window.__gevAnnotations === annotations) delete window.__gevAnnotations;
+  annotations.destroy();
+}
+
+/**
+ * The Display panel's store and `connectDisplay(actions)`: the panel's
+ * controls answer through the store; returns the disconnect.
+ */
+export function displayControls() {
+  const displayStore = useDisplayStore(applicationPinia());
+  const connectDisplay = (actions) => {
+    const token = displayStore.connect(actions);
+    return () => displayStore.detach(token);
+  };
+  return { displayStore, connectDisplay };
+}
+
+/**
+ * UTILITIES ▸ Draw: the same whiteboard, drawn by hand. The marks and the
+ * chosen shape belong to the page session; the tool claims the attached
+ * globe's pointer while a sketch is open, so an engine switch ends the
+ * sketch. A row's fly-to goes through the shell's navigation policy, as
+ * Import's does. Null on a page without the Draw controls.
+ */
+export function sessionDrawTool({
+  layerSession,
+  annotations,
+  styleManager,
+  defer,
+}) {
+  const { displayStore, connectDisplay } = displayControls();
+  return sessionTool(layerSession, 'draw', defer, () =>
+    createSessionDrawTool({
+      annotations,
+      navigation: styleManager,
+      publish: (view) => displayStore.publishDraw(view),
+      connect: connectDisplay,
+    }),
+  );
+}
+
+/**
+ * UTILITIES ▸ Import: the person's own GeoJSON/KML/KMZ/GPX files, each its
+ * own data source. They live for the page session: an engine switch takes
+ * them off the globe, and the next globe reads them again. The drop
+ * listeners belong to the attached globe. Null on a page without the
+ * Import control.
+ */
+export function sessionGeoImport({
+  layerSession,
+  styleManager,
+  operations,
+  defer,
+}) {
+  const { displayStore, connectDisplay } = displayControls();
+  return sessionTool(layerSession, 'geoImport', defer, () =>
+    createGeoFileImport({
+      navigation: styleManager,
+      ground: operations.surface?.groundFloor,
+      publish: (view) => displayStore.publishGeoImport(view),
+      connect: connectDisplay,
+    }),
+  );
+}
diff --git a/src/app/tools.js b/src/app/tools.js
index 604359638..5dc37bb41 100644
--- a/src/app/tools.js
+++ b/src/app/tools.js
@@ -1,12 +1,12 @@
 import { SceneDirector } from '../scenes/director.js';
-import { createSessionAnnotations } from '../annotations/index.js';
-import { createSessionDrawTool } from '../annotations/drawTool.js';
-import { createGeoFileImport } from '../ui/geoFileImport.js';
-import { useDisplayStore } from '../ui/stores/display.js';
-import { applicationPinia } from '../ui/vueRuntime.js';
 import { initImageryBoxTool } from '../ui/imageryBoxTool.js';
 import { createRecentImageryPanel } from '../ui/recentImagery.js';
 import { attachSessionVoice } from './sessionVoice.js';
+import {
+  sessionAnnotations,
+  sessionDrawTool,
+  sessionGeoImport,
+} from './sessionTools.js';
 import {
   attachScenePart,
   currentSceneOf,
@@ -23,60 +23,6 @@ import {
   releaseContinuousRender,
 } from '../renderGovernor.js';
 
-/**
- * The annotation board: the page session's when there is one (created once,
- * destroyed with the page), else this application's.
- */
-export function sessionAnnotations({
-  layerSession,
-  placeSearch,
-  resolver,
-  defer,
-}) {
-  const create = () => createSessionAnnotations({ placeSearch, resolver });
-  if (!layerSession) {
-    const annotations = create();
-    defer(() => destroyAnnotations(annotations));
-    return annotations;
-  }
-  if (!layerSession.annotations) {
-    const annotations = (layerSession.annotations = create());
-    layerSession.lifetime.signal.addEventListener(
-      'abort',
-      () => destroyAnnotations(annotations),
-      { once: true },
-    );
-  }
-  return layerSession.annotations;
-}
-
-/**
- * A tool of the page session (created once, destroyed with the page) when
- * there is one, else of this application. `create()` may return null.
- */
-function sessionTool(layerSession, name, defer, create) {
-  if (!layerSession) {
-    const tool = create();
-    defer(() => tool?.destroy());
-    return tool;
-  }
-  const tools = (layerSession.tools ??= {});
-  if (!(name in tools)) {
-    const tool = (tools[name] = create());
-    layerSession.lifetime.signal.addEventListener(
-      'abort',
-      () => tool?.destroy(),
-      { once: true },
-    );
-  }
-  return tools[name];
-}
-
-function destroyAnnotations(annotations) {
-  if (window.__gevAnnotations === annotations) delete window.__gevAnnotations;
-  annotations.destroy();
-}
-
 /**
  * Attach scene tools, rendering listeners and the application debug handle.
  * The Director, the annotation board, Draw, Import, voice and the debug
@@ -305,39 +251,24 @@ function attachViewerTools(
   });
   annotations.attachScene({ viewer, tileset });
   defer(() => annotations.detachScene());
-  const displayStore = useDisplayStore(applicationPinia());
-  // The Display panel's controls answer through the store; returns the
-  // disconnect.
-  const connectDisplay = (actions) => {
-    const token = displayStore.connect(actions);
-    return () => displayStore.detach(token);
-  };
-  // UTILITIES ▸ Draw: the same whiteboard, drawn by hand. The marks and the
-  // chosen shape belong to the page session; the tool claims this viewer's
-  // pointer while a sketch is open, so an engine switch ends the sketch. A
-  // row's fly-to goes through the shell's navigation policy, as Import's does.
-  const drawTool = sessionTool(layerSession, 'draw', defer, () =>
-    createSessionDrawTool({
-      annotations,
-      navigation: styleManager,
-      publish: (view) => displayStore.publishDraw(view),
-      connect: connectDisplay,
-    }),
-  );
+  // UTILITIES ▸ Draw on this viewer (src/app/sessionTools.js): the tool
+  // claims this viewer's pointer while a sketch is open.
+  const drawTool = sessionDrawTool({
+    layerSession,
+    annotations,
+    styleManager,
+    defer,
+  });
   drawTool?.attachScene({ viewer, navigation: styleManager });
   defer(() => drawTool?.detachScene());
-  // UTILITIES ▸ Import: the person's own GeoJSON/KML/KMZ/GPX files, each its
-  // own data source. They live for the page session: an engine switch takes
-  // them off this viewer, and the next Cesium viewer reads them again. The
-  // drop listeners belong to this viewer.
-  const geoFileImport = sessionTool(layerSession, 'geoImport', defer, () =>
-    createGeoFileImport({
-      navigation: styleManager,
-      ground: operations.surface?.groundFloor,
-      publish: (view) => displayStore.publishGeoImport(view),
-      connect: connectDisplay,
-    }),
-  );
+  // UTILITIES ▸ Import on this viewer: the next Cesium viewer reads the
+  // session's files again. The drop listeners belong to this viewer.
+  const geoFileImport = sessionGeoImport({
+    layerSession,
+    styleManager,
+    operations,
+    defer,
+  });
   geoFileImport?.attachScene({
     viewer,
     navigation: styleManager,
diff --git a/src/ui/geoFileImport.test.mjs b/src/ui/geoFileImport.test.mjs
index 222db17f9..24efac19a 100644
--- a/src/ui/geoFileImport.test.mjs
+++ b/src/ui/geoFileImport.test.mjs
@@ -328,16 +328,16 @@ test('the application composition wires the import and owns its teardown', () =>
     new URL('../app/tools.js', import.meta.url),
     'utf8',
   );
-  const drawAt = tools.indexOf(
-    "const drawTool = sessionTool(layerSession, 'draw'",
-  );
-  const importAt = tools.indexOf(
-    "const geoFileImport = sessionTool(layerSession, 'geoImport', defer, () =>",
+  const session = fs.readFileSync(
+    new URL('../app/sessionTools.js', import.meta.url),
+    'utf8',
   );
+  const drawAt = tools.indexOf('const drawTool = sessionDrawTool({');
+  const importAt = tools.indexOf('const geoFileImport = sessionGeoImport({');
   assert.ok(importAt > drawAt && drawAt >= 0);
   // Fly-to goes through the application shell's navigation policy.
   assert.match(
-    tools.slice(importAt, importAt + 200),
+    tools.slice(importAt, importAt + 400),
     /navigation: styleManager/,
   );
   // The session owns the files; this viewer only their drawing.
@@ -345,9 +345,13 @@ test('the application composition wires the import and owns its teardown', () =>
     tools.indexOf('defer(() => geoFileImport?.detachScene());') > importAt,
   );
   // The list renders from the store and its controls answer through it.
+  const sessionAt = session.indexOf(
+    "sessionTool(layerSession, 'geoImport', defer, () =>",
+  );
+  assert.ok(sessionAt >= 0);
   assert.match(
-    tools.slice(importAt, importAt + 400),
-    /publish: \(view\) => displayStore\.publishGeoImport\(view\),\s*connect: connectDisplay,/,
+    session.slice(sessionAt, sessionAt + 400),
+    /navigation: styleManager,[\s\S]*publish: \(view\) => displayStore\.publishGeoImport\(view\),\s*connect: connectDisplay,/,
   );
   const markup = fs.readFileSync(
     new URL('./views/panels/GeoImport.vue', import.meta.url),