同步加载页与首页模型加载状态

src/components/navigation/GuideMapShell.vue

@@ -26,6 +26,7 @@
           @selection-clear="handleSelectionClear"
           @target-focus="handleTargetFocus"
           @auto-switch="handleAutoSwitch"
+          @initial-model-progress="handleInitialModelProgress"
           @initial-model-ready="handleInitialModelReady"
           @initial-model-failed="handleInitialModelFailed"
         />
@@ -289,6 +290,14 @@ type IndoorViewMode = 'overview' | 'floor' | 'multi'
 type LayerDisplayMode = 'single' | 'multi'
 type TouchGestureMode = 'orbit' | 'pan'
 
+interface InitialModelProgressEvent {
+  progress: number
+  message: string
+  view: IndoorViewMode
+  floorId?: string
+  elapsedMs?: number
+}
+
 const props = withDefaults(defineProps<{
   searchText?: string
   activeMode?: '2d' | '3d'
@@ -403,6 +412,7 @@ const emit = defineEmits<{
   selectionClear: []
   targetFocus: [result: TargetPoiFocusResult]
   autoSwitch: [event: { from: 'overview' | 'floor'; to: 'overview' | 'floor'; trigger: string; distance: number }]
+  initialModelProgress: [event: InitialModelProgressEvent]
   initialModelReady: [event: { view: IndoorViewMode; floorId?: string; elapsedMs?: number }]
   initialModelFailed: [event: { view: IndoorViewMode; floorId?: string; message: string; elapsedMs?: number }]
   mapTap: [location: { latitude: number; longitude: number }]
@@ -710,6 +720,10 @@ const handleAutoSwitch = (event: { from: 'overview' | 'floor'; to: 'overview' |
   emit('autoSwitch', event)
 }
 
+const handleInitialModelProgress = (event: InitialModelProgressEvent) => {
+  emit('initialModelProgress', event)
+}
+
 const handleInitialModelReady = (event: { view: IndoorViewMode; floorId?: string; elapsedMs?: number }) => {
   emit('initialModelReady', event)
 }