Update guide presentation and route preview gating

src/repositories/GuideRouteRepository.ts

@@ -4,6 +4,8 @@ import type {
   GuideRouteTarget
 } from '@/domain/museum'
 import {
+  applyRouteReadinessGate,
+  NAV_ROUTE_UNAVAILABLE_MESSAGE,
   NAV_ROUTE_READINESS
 } from '@/domain/guideReadiness'
 import {
@@ -139,20 +141,24 @@ export class StaticGuideRouteRepository implements GuideRouteRepository {
   constructor(private readonly provider: StaticNavAssetsProvider = defaultStaticNavAssetsProvider) {}
 
   async getRouteReadiness() {
-    const manifestReadiness = await this.provider.loadRouteReadiness()
+    const hardGateReadiness = applyRouteReadinessGate(NAV_ROUTE_READINESS)
+    if (!hardGateReadiness.ready) return hardGateReadiness
+
+    const manifestReadiness = applyRouteReadinessGate(await this.provider.loadRouteReadiness()
       .catch(() => NAV_ROUTE_READINESS)
+    )
 
     if (!manifestReadiness.ready) return manifestReadiness
 
     try {
       const dataset = await this.loadDataset()
       if (!dataset.nodes.size || !dataset.edges.length || !dataset.anchorsByPoiId.size) {
-        return createUnavailableReadiness('路线数据不完整，暂不可查看路径')
+        return createUnavailableReadiness('路线示意数据不完整，当前暂不支持正式导航')
       }
 
-      return manifestReadiness
+      return applyRouteReadinessGate(manifestReadiness)
     } catch (error) {
-      return createUnavailableReadiness(error instanceof Error ? error.message : '路线数据加载失败')
+      return createUnavailableReadiness(error instanceof Error ? error.message : '路线示意数据加载失败')
     }
   }
 
@@ -162,6 +168,14 @@ export class StaticGuideRouteRepository implements GuideRouteRepository {
   }
 
   async findRoute(startPoiId: string, endPoiId: string) {
+    const readiness = await this.getRouteReadiness()
+    if (!readiness.ready) {
+      throw new GuideRouteError(
+        'ROUTE_DATA_UNAVAILABLE',
+        readiness.message || NAV_ROUTE_UNAVAILABLE_MESSAGE
+      )
+    }
+
     if (!startPoiId || !endPoiId) {
       throw new GuideRouteError('ROUTE_TARGET_MISSING', '请选择起点和终点')
     }
@@ -175,11 +189,11 @@ export class StaticGuideRouteRepository implements GuideRouteRepository {
     const endAnchor = dataset.anchorsByPoiId.get(endPoiId)
 
     if (!startAnchor) {
-      throw new GuideRouteError('ROUTE_TARGET_UNANCHORED', '起点暂无可用路径锚点')
+      throw new GuideRouteError('ROUTE_TARGET_UNANCHORED', '起点暂无可用路线示意锚点')
     }
 
     if (!endAnchor) {
-      throw new GuideRouteError('ROUTE_TARGET_UNANCHORED', '终点暂无可用路径锚点')
+      throw new GuideRouteError('ROUTE_TARGET_UNANCHORED', '终点暂无可用路线示意锚点')
     }
 
     const searchResult = this.findShortestPath(startAnchor.routeNodeId, endAnchor.routeNodeId)