升级 SGS Map SDK 至 2.5.0

.claude/skills/shenzhen-natural-museum-dev/SKILL.md

@@ -452,7 +452,7 @@ pnpm build:h5
 - Audio fallback URLs such as `example.com` are not valid explain capability.
 - `src/pages/route/detail.vue` may still contain historical navigation states such as planning/navigating/arrived/location-error. Keep them blocked unless real graph data exists.
 - Runtime static JSON loading through `uni.request` must be verified on H5 for current work; verify mp-weixin only when explicitly requested.
-- SGS Map SDK H5 integration depends on the sibling project `E:\MyWork\深圳国际艺术馆\智慧导览\smart-navigation-system`, especially `sgs-frontend-map/sdk-src`, `public/sdk/sgs-map-sdk.min.js`, and `/h5-sdk`.
+- SGS Map SDK H5 integration depends on the sibling project `E:\MyWork\深圳国际艺术馆\智慧导览\smart-navigation-system`, especially `sgs-frontend-map/sdk-src`, `public/sdk/sgs-map-sdk.min.js`, and the independently deployed `/engine/index.html`. Treat an SPA fallback HTTP 200 as unhealthy; validate Engine title/assets and `HELLO` -> `ENGINE_READY`.
 - SGS Map SDK uses iframe + `postMessage`; target origin, iframe lifecycle, and event bridge errors are separate operational risks from local Three.js rendering.
 - SDK mode should not be treated as proof of certified indoor navigation unless route graph/nav data and runtime route behavior are verified.
 - Mixing static nav-assets POI IDs with backend SGS Map POI IDs can break search, focus, explain location previews, and route actions unless adapters normalize stable IDs deliberately.