修复 SGS SDK 导览数据源与模型加载

升级 SDK API 数据契约，补齐 guideStops、业务 POI、诊断与路线数据接口。

修复 SDK 模式下 POI/模型/楼层混用静态数据的问题，并为 ThreeMap 模型加载增加短退避重试。

src/pages/facility/detail.vue

@@ -96,12 +96,8 @@ import type {
   GuideModelSource,
   GuideRenderPoi
 } from '@/domain/guideModel'
-import {
-  StaticGuideModelRepository
-} from '@/repositories/GuideModelRepository'
 
-const fallbackIndoorModelSource = new StaticGuideModelRepository()
-const indoorModelSource = ref<GuideModelSource>(fallbackIndoorModelSource)
+const indoorModelSource: GuideModelSource = guideUseCase.getModelSource()
 const guideFloors = ref<MuseumFloor[]>([])
 const normalizeGuideFloorId = (labelOrId: string) =>
   guideFloors.value.find((floor) => floor.id === labelOrId || floor.label === labelOrId)?.id
@@ -123,19 +119,16 @@ const facility = ref<FacilityDetailViewModel>({
 
 const loadGuideFloors = async () => {
   try {
-    const modelPackage = await fallbackIndoorModelSource.loadPackage()
-    guideFloors.value = modelPackage.floors.map((floor) => ({
-      id: floor.floorId,
-      label: floor.label,
-      order: floor.order
-    }))
+    guideFloors.value = await guideUseCase.getFloors()
     const floors = guideFloors.value
-    const defaultFloor = floors.find((floor) => floor.label === activeFloor.value)?.label
-      || floors.find((floor) => floor.id === 'L1')?.label
-      || floors[0]?.label
+    const normalizedActiveFloorId = activeFloor.value
+      ? normalizeGuideFloorId(activeFloor.value)
+      : ''
+    const defaultFloor = floors.find((floor) => floor.id === normalizedActiveFloorId)?.id
+      || floors.find((floor) => floor.label === '1F')?.id
+      || floors[0]?.id
       || activeFloor.value
-    activeFloor.value = floors.find((floor) => floor.label === activeFloor.value)?.label
-      || defaultFloor
+    activeFloor.value = defaultFloor
   } catch (error) {
     console.error('加载导览楼层失败:', error)
     guideFloors.value = []
@@ -146,7 +139,7 @@ const focusFacilityPoi = (poi: MuseumPoi) => {
   if (!poi.floorId) return
 
   activeMode.value = '3d'
-  activeFloor.value = poi.floorLabel
+  activeFloor.value = poi.floorId
   targetFocusRequestId.value += 1
   targetFocusRequest.value = toTargetFocusRequestViewModel({
     poiId: poi.id,
@@ -164,7 +157,7 @@ const focusRenderPoi = (poi: GuideRenderPoi) => {
 
   const floorLabel = guideFloors.value.find((floor) => floor.id === poi.floorId)?.label || poi.floorId
   activeMode.value = '3d'
-  activeFloor.value = floorLabel
+  activeFloor.value = poi.floorId
   targetFocusRequestId.value += 1
   targetFocusRequest.value = toTargetFocusRequestViewModel({
     poiId: poi.id,
@@ -242,10 +235,10 @@ const resolveRenderPoiByName = async () => {
   const normalizedTarget = normalizePoiName(facility.value.name)
   if (!normalizedTarget) return null
 
-  const modelPackage = await indoorModelSource.value.loadPackage()
+  const modelPackage = await indoorModelSource.loadPackage()
   for (const floor of modelPackage.floors) {
     const floorId = floor.floorId
-    const pois = await indoorModelSource.value.loadFloorPois(floorId).catch(() => [])
+    const pois = await indoorModelSource.loadFloorPois(floorId).catch(() => [])
     const matchedPoi = pois.find((poi) => {
       const poiName = normalizePoiName(poi.name)
       const hallName = normalizePoiName(poi.hallName || '')