修复讲解详情接口并展示展厅统计

src/pages/index/index.vue

@@ -250,6 +250,9 @@ import {
 import {
   explainUseCase
 } from '@/usecases/explainUseCase'
+import {
+  normalizeExplainDetailTargetFromGuideStop
+} from '@/domain/explainDetailTarget'
 import type {
   GuideRenderPoi
 } from '@/domain/guideModel'
@@ -604,7 +607,8 @@ const loadExplainHalls = async () => {
   explainLoadPromise = (async () => {
     try {
       const halls = await explainUseCase.loadExplainHalls()
-      explainHallItems.value = buildExplainHallItems(halls)
+      const summaries = await explainUseCase.loadExplainHallSummaries(halls.map((hall) => hall.id))
+      explainHallItems.value = buildExplainHallItems(halls, summaries)
     } catch (error) {
       console.error('加载讲解内容失败:', error)
       explainError.value = '讲解内容加载失败，请稍后重试'
@@ -621,7 +625,8 @@ const loadExplainHalls = async () => {
 const normalizeExplainKeyword = (value?: string) => (value || '').trim().toLowerCase()
 
 const buildExplainHallItems = (
-  halls: Awaited<ReturnType<typeof explainUseCase.loadExplainHalls>>
+  halls: Awaited<ReturnType<typeof explainUseCase.loadExplainHalls>>,
+  summaries: Awaited<ReturnType<typeof explainUseCase.loadExplainHallSummaries>> = {}
 ): ExplainHallSelectItem[] => {
   return halls.map((hall) => {
     const keywordParts = [
@@ -637,6 +642,8 @@ const buildExplainHallItems = (
       floorLabel: hall.floorLabel,
       image: hall.image,
       explainCount: hall.exhibitCount || 0,
+      businessUnitCount: summaries[hall.id]?.businessUnitCount,
+      guideStopCount: summaries[hall.id]?.guideStopCount,
       searchText: normalizeExplainKeyword(keywordParts.join(' '))
     }
   })
@@ -1251,11 +1258,12 @@ const handleExplainBusinessUnitClick = (unitId: string) => {
 }
 
 const handleExplainGuideStopClick = (stopId: string) => {
+  const target = normalizeExplainDetailTargetFromGuideStop({ id: stopId })
   const params = new URLSearchParams({
-    id: stopId,
+    id: target.targetId,
     tab: 'explain',
-    targetType: 'STOP',
-    targetId: stopId
+    targetType: target.targetType,
+    targetId: target.targetId
   })
   uni.navigateTo({
     url: `/pages/exhibit/detail?${params.toString()}`