优化导览预览与讲解展示层

src/components/navigation/GuideMapShell.vue

@@ -25,6 +25,8 @@
           :show-controls="false"
           :show-poi="shouldShowIndoorPois"
           :target-focus="targetFocusRequest"
+          :touch-gesture-mode="touchGestureMode"
+          :target-focus-distance-factor="targetFocusDistanceFactor"
           :route-preview="routePreview"
           :show-route="showRoute"
           @floor-change="handleThreeFloorChange"
@@ -216,6 +218,7 @@ interface TargetPoiFocusRequest {
   floorLabel?: string
   primaryCategoryZh?: string
   positionGltf?: [number, number, number]
+  sourceObjectName?: string
 }
 
 interface TargetPoiFocusResult {
@@ -228,6 +231,7 @@ interface TargetPoiFocusResult {
 
 type IndoorViewMode = 'overview' | 'floor' | 'multi'
 type LayerDisplayMode = 'single' | 'multi'
+type TouchGestureMode = 'orbit' | 'pan'
 
 const props = withDefaults(defineProps<{
   searchText?: string
@@ -267,6 +271,8 @@ const props = withDefaults(defineProps<{
   normalizeFloorId?: (labelOrId: string) => string
   dimmed?: boolean
   targetFocusRequest?: TargetPoiFocusRequest | null
+  touchGestureMode?: TouchGestureMode
+  targetFocusDistanceFactor?: number
   routePreview?: GuideRouteResult | null
   showRoute?: boolean
 }>(), {
@@ -307,6 +313,8 @@ const props = withDefaults(defineProps<{
   normalizeFloorId: (labelOrId: string) => labelOrId,
   dimmed: false,
   targetFocusRequest: null,
+  touchGestureMode: 'orbit',
+  targetFocusDistanceFactor: 0.22,
   routePreview: null,
   showRoute: false
 })