同步加载页与首页模型加载状态

src/components/map/ThreeMap.vue

@@ -75,6 +75,14 @@ type CameraPreset = 'top' | 'oblique'
 type TouchGestureMode = 'orbit' | 'pan'
 type ZoomCameraSource = 'button' | 'gesture'
 
+interface InitialModelProgressEvent {
+  progress: number
+  message: string
+  view: ViewMode
+  floorId?: string
+  elapsedMs?: number
+}
+
 const CANVAS_FONT_FAMILY = '"鸿蒙黑体", "HarmonyOS Sans SC", "HarmonyOS Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif'
 const FLOOR_CAMERA_DISTANCE_FACTOR = 0.78
 const SGS_VISUAL_RENDER_CONFIG = {
@@ -300,6 +308,7 @@ const emit = defineEmits<{
   targetFocus: [result: TargetPoiFocusResult]
   autoSwitch: [event: { from: 'overview' | 'floor'; to: 'overview' | 'floor'; trigger: 'zoom-in' | 'zoom-out'; distance: number }]
   autoSwitchBlocked: [reason: { reason: 'loading-locked' | 'cooldown' | 'disabled' }]
+  initialModelProgress: [event: InitialModelProgressEvent]
   initialModelReady: [event: { view: ViewMode; floorId?: string; elapsedMs?: number }]
   initialModelFailed: [event: { view: ViewMode; floorId?: string; message: string; elapsedMs?: number }]
 }>()
@@ -385,6 +394,7 @@ let cameraTween: CameraTweenState | null = null
 let adjacentPreloadSeq = 0
 let firstModelLoadStartedAt = 0
 let firstModelVisibleReported = false
+let initialModelSettled = false
 
 const cameraTweenEnabled = true
 const cameraTweenDurationMs = 480
@@ -1442,8 +1452,19 @@ const handleControlEnd = () => {
 }
 
 const setProgress = (progress: number, message: string) => {
-  loadingProgress.value = Math.min(100, Math.max(0, progress))
+  const normalizedProgress = Math.min(100, Math.max(0, progress))
+  loadingProgress.value = normalizedProgress
   loadingMessage.value = message
+
+  if (firstModelLoadStartedAt && !initialModelSettled) {
+    emit('initialModelProgress', {
+      progress: normalizedProgress,
+      message,
+      view: activeView.value,
+      floorId: currentFloor.value,
+      elapsedMs: Math.round(getNow() - firstModelLoadStartedAt)
+    })
+  }
 }
 
 const markFirstModelVisible = (
@@ -4713,6 +4734,7 @@ const init3DScene = async () => {
     isDisposed = false
     firstModelLoadStartedAt = getNow()
     firstModelVisibleReported = false
+    initialModelSettled = false
     isLoading.value = true
     loadError.value = false
     selectedPOI.value = null
@@ -4727,6 +4749,7 @@ const init3DScene = async () => {
     await loadModelPackage()
 
     setProgress(100, '馆内三维模型加载完成')
+    initialModelSettled = true
     isLoading.value = false
     emit('initialModelReady', {
       view: activeView.value,
@@ -4743,6 +4766,7 @@ const init3DScene = async () => {
     isLoading.value = false
     const message = error instanceof Error ? error.message : '请检查模型资源或网络状态后重试'
     setProgress(0, message)
+    initialModelSettled = true
     emit('initialModelFailed', {
       view: activeView.value,
       floorId: currentFloor.value,