同步移动端源码并修复小程序嵌入标题

tests/unit/GuideFloorBasemap.spec.ts

@@ -240,6 +240,37 @@ describe('GuideFloorBasemap projection', () => {
     expect(await loadGuideFloorBasemapManifest()).toBeNull()
   })
 
+  it('uses the sole valid floor basemap when the published GLB version is newer', () => {
+    const basemap = createBasemap()
+    const manifest = {
+      schemaVersion: GUIDE_FLOOR_BASEMAP_SCHEMA_VERSION,
+      render: {
+        projection: GUIDE_FLOOR_BASEMAP_PROJECTION,
+        projectionVersion: GUIDE_FLOOR_BASEMAP_PROJECTION_VERSION
+      },
+      floors: [basemap],
+      routeAssets: []
+    }
+
+    expect(findGuideFloorBasemap(manifest, 'L1', 'v2')).toEqual(basemap)
+  })
+
+  it('does not guess a basemap when a floor has multiple nonmatching versions', () => {
+    const older = createBasemap()
+    const newer = { ...createBasemap(), modelVersion: 'v2' }
+    const manifest = {
+      schemaVersion: GUIDE_FLOOR_BASEMAP_SCHEMA_VERSION,
+      render: {
+        projection: GUIDE_FLOOR_BASEMAP_PROJECTION,
+        projectionVersion: GUIDE_FLOOR_BASEMAP_PROJECTION_VERSION
+      },
+      floors: [older, newer],
+      routeAssets: []
+    }
+
+    expect(findGuideFloorBasemap(manifest, 'L1', 'v3')).toBeNull()
+  })
+
   it('requires an orthographic floor entry under the schema 4 render identity', () => {
     const basemap = createBasemap()
     const manifest = {