feat: wire guide data source and POI focus UI

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/view-models/explainViewModels.ts

@@ -0,0 +1,90 @@
+import type {
+  MuseumExhibit,
+  MuseumHall,
+  SearchIndexItem
+} from '@/domain/museum'
+
+export interface ExplainExhibitViewModel {
+  id: string
+  name: string
+  hall?: string
+  floor?: string
+  image?: string
+  hasAudio: boolean
+  audioUnavailableReason?: string
+  poiId?: string
+}
+
+export interface ExplainDetailViewModel {
+  id: string
+  name: string
+  artist?: string
+  year?: string
+  material?: string
+  size?: string
+  hall?: string
+  image: string
+  description: string
+  hasAudio: boolean
+  audioUnavailableReason?: string
+  poiId?: string
+}
+
+export interface HallDetailViewModel {
+  id: string
+  name: string
+  floorLabel: string
+  description: string
+  image: string
+  exhibitCount: number
+  area?: string
+  poiId?: string
+}
+
+export const toExplainExhibitViewModel = (exhibit: MuseumExhibit): ExplainExhibitViewModel => ({
+  id: exhibit.id,
+  name: exhibit.name,
+  hall: exhibit.hallName && exhibit.floorLabel
+    ? `${exhibit.hallName} ${exhibit.floorLabel}`
+    : exhibit.hallName || exhibit.floorLabel,
+  floor: exhibit.floorLabel,
+  image: exhibit.image,
+  hasAudio: false,
+  audioUnavailableReason: '正式讲解音频尚未接入媒体仓储',
+  poiId: exhibit.poiId
+})
+
+export const toExplainDetailViewModel = (exhibit: MuseumExhibit): ExplainDetailViewModel => ({
+  id: exhibit.id,
+  name: exhibit.name,
+  artist: exhibit.artist,
+  year: exhibit.year,
+  material: exhibit.material,
+  size: exhibit.size,
+  hall: exhibit.hallName && exhibit.floorLabel
+    ? `${exhibit.hallName} ${exhibit.floorLabel}`
+    : exhibit.hallName || exhibit.floorLabel,
+  image: exhibit.image || '/static/exhibit-placeholder.jpg',
+  description: exhibit.description || '该展项介绍待正式内容库补充。',
+  hasAudio: false,
+  audioUnavailableReason: '正式讲解音频尚未接入媒体仓储',
+  poiId: exhibit.poiId
+})
+
+export const toHallDetailViewModel = (hall: MuseumHall): HallDetailViewModel => ({
+  id: hall.id,
+  name: hall.name,
+  floorLabel: hall.floorLabel || '楼层待补充',
+  description: hall.description || '该展厅介绍待正式内容库补充。',
+  image: hall.image || '/static/hall-placeholder.jpg',
+  exhibitCount: hall.exhibitCount || 0,
+  area: hall.area,
+  poiId: hall.poiId
+})
+
+export const toExplainSearchResultViewModel = (item: SearchIndexItem) => ({
+  id: item.id,
+  name: item.name,
+  desc: item.desc,
+  type: item.type
+})