修复馆内预览状态与点位展示

src/pages/index/index.vue

@@ -424,6 +424,7 @@ const returningToOverview = ref(false)
 // GuideMapShell 组件引用，用于显式调用路线清除方法
 const guideMapShellRef = ref<{
   clearRoute?: () => void
+  switchFloor?: (floorId: string) => Promise<void> | void
   showOverview?: () => Promise<void> | void
   resetToViewBaseline?: (options: {
     view: 'overview' | 'floor'
@@ -1482,12 +1483,24 @@ const handleMoreRouteGuide = async () => {
   closeArrivalPanel()
   showRoutePlanner.value = false
   is3DMode.value = true
-  indoorView.value = 'floor'
   guideOutdoorState.value = 'home'
   selectedGuidePoi.value = null
   isPoiCardCollapsed.value = false
   isSimulatingRoute.value = false
-  showIndoorHint(`当前楼层：${getGuideFloorLabel(renderedFloorId.value || activeGuideFloor.value) || '馆内单层'}`, 3200)
+  const floorId = activeGuideFloor.value
+  const floorLabel = getGuideFloorLabel(floorId) || '默认楼层'
+  if (!floorId) {
+    showIndoorHint('暂未获取到可进入的楼层，请稍后重试', 3200)
+    return
+  }
+
+  requestedFloorId.value = floorId
+  requestedFloorLabel.value = floorLabel
+  loadingFloorId.value = floorId
+  failedFloorId.value = ''
+  // 渲染器提交 floor-change 前仍保持建筑外观，避免楼层控件显示假状态。
+  showIndoorHint(`正在进入 ${floorLabel}…`, 3200)
+  await guideMapShellRef.value?.switchFloor?.(floorId)
 }
 
 const selectFirstArrivalTarget = () => {