优化搜索点位详情页面切换体验

src/pages/index/index.vue

@@ -428,6 +428,7 @@ const searchVisiblePoiIds = ref<string[] | null>(null)
 const searchTargetFocusRequest = ref<TargetPoiFocusRequestViewModel | null>(null)
 let searchTargetFocusRequestId = 0
 let pendingCollapseSearchAfterDetail = false
+let pendingSearchDetailFocusRequest: TargetPoiFocusRequestViewModel | null = null
 
 let launchOverlayFallbackTimer: ReturnType<typeof setTimeout> | null = null
 let launchOverlayFadeTimer: ReturnType<typeof setTimeout> | null = null
@@ -1358,10 +1359,23 @@ onShow(async () => {
   await nextTick()
   if (pendingCollapseSearchAfterDetail) {
     pendingCollapseSearchAfterDetail = false
+    const pendingFocusRequest = pendingSearchDetailFocusRequest
+    pendingSearchDetailFocusRequest = null
     await homeSearchPanelRef.value?.returnToCollapsedAfterDetail?.()
     homeSearchExpanded.value = false
     homeCategoryModeActive.value = false
     searchVisiblePoiIds.value = null
+    if (pendingFocusRequest) {
+      closeArrivalPanel()
+      showRoutePlanner.value = false
+      isSimulatingRoute.value = false
+      selectedGuidePoi.value = null
+      isPoiCardCollapsed.value = false
+      is3DMode.value = true
+      indoorView.value = 'floor'
+      activeGuideFloor.value = pendingFocusRequest.floorId
+      searchTargetFocusRequest.value = pendingFocusRequest
+    }
     return
   }
 
@@ -1455,16 +1469,8 @@ const createSearchDetailUrl = (poi: MuseumPoi, context: PoiSearchContext) => {
 }
 
 const handleHomeSearchResultTap = async (poi: MuseumPoi, context: PoiSearchContext) => {
-  closeArrivalPanel()
-  showRoutePlanner.value = false
-  isSimulatingRoute.value = false
-  selectedGuidePoi.value = null
-  isPoiCardCollapsed.value = false
-  is3DMode.value = true
-  indoorView.value = 'floor'
-  activeGuideFloor.value = poi.floorId
   searchTargetFocusRequestId += 1
-  searchTargetFocusRequest.value = toTargetFocusRequestViewModel({
+  pendingSearchDetailFocusRequest = toTargetFocusRequestViewModel({
     poiId: poi.id,
     name: poi.name,
     floorId: poi.floorId,
@@ -1478,13 +1484,14 @@ const handleHomeSearchResultTap = async (poi: MuseumPoi, context: PoiSearchConte
     entrances: poi.entrances
   }, searchTargetFocusRequestId)
 
-  // 先把楼层与目标请求交给地图，再进入详情页；返回时仅收起搜索 UI，不清焦点。
-  await nextTick()
+  // 详情页会一次性挂载目标楼层；首页不再先启动并销毁 ThreeMap。
+  searchTargetFocusRequest.value = null
   pendingCollapseSearchAfterDetail = true
   uni.navigateTo({
     url: createSearchDetailUrl(poi, context),
     fail: () => {
       pendingCollapseSearchAfterDetail = false
+      pendingSearchDetailFocusRequest = null
       uni.showToast({
         title: '点位详情打开失败，请重试',
         icon: 'none'