feat(assets): add dimension analysis and authorized user previews

Refactor asset drilldowns with combined dimension filters, parent summaries and progressive loading. Add the hidden /who read-only permission preview with scoped authorization, identity mapping and audit logging. Refine inventory counts and AI问数 presentation.

src/app/routing.ts

@@ -5,7 +5,7 @@ interface BrowserLocation {
   search: string;
   hash: string;
 }
-const ROOT_PATHS = new Set(['/asset', '/energy', '/ele/import', '/admin/feedback']);
+const ROOT_PATHS = new Set(['/asset', '/energy', '/ele/import', '/admin/feedback', '/who']);
 
 const LEGACY_PATHS: Record<string, { path: string; hash?: string }> = {
   '/': { path: '/asset' },
@@ -35,6 +35,7 @@ export function getPathSet(pathname: string): PathSet {
 }
 
 export function getRouteKey(pathname: string, hash: string): string {
+  if (pathname === '/who') return 'who';
   if (pathname === '/ele/import' || hash === '#/ele/import' || hash === '#ele/import') {
     return 'ele/import';
   }