feat(platform-web): support shareable vehicle routes

vehicle-data-platform/apps/web/src/domain/appRoute.ts

@@ -0,0 +1,33 @@
+import type { PageKey } from '../layout/AppShell';
+
+const pageKeys = new Set<PageKey>(['dashboard', 'vehicles', 'realtime', 'detail', 'history', 'mileage', 'quality']);
+
+export type AppRoute = {
+  page?: PageKey;
+  keyword?: string;
+};
+
+export function parseAppHash(hash: string): AppRoute {
+  const normalized = hash.trim().replace(/^#\/?/, '');
+  if (!normalized) {
+    return {};
+  }
+  const [pagePart, queryPart = ''] = normalized.split('?', 2);
+  if (!pageKeys.has(pagePart as PageKey)) {
+    return {};
+  }
+  const params = new URLSearchParams(queryPart);
+  const keyword = params.get('keyword')?.trim() || undefined;
+  return { page: pagePart as PageKey, keyword };
+}
+
+export function buildAppHash(route: AppRoute): string {
+  const page = route.page && pageKeys.has(route.page) ? route.page : 'dashboard';
+  const params = new URLSearchParams();
+  const keyword = route.keyword?.trim();
+  if (keyword) {
+    params.set('keyword', keyword);
+  }
+  const query = params.toString();
+  return query ? `#/${page}?${query}` : `#/${page}`;
+}