file browser opens at home instead of restoring the last path

Navigation is now session-local state that always starts at home. The
unscoped browser still mirrors its folder into files/currentPath so the
Create Dashboard flow keeps defaulting a new dashboard's cwd to it.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts

@@ -12,17 +12,27 @@ type DefaultSort = {
   direction: 'asc' | 'desc';
 };
 
-export const useFileBrowserApp = (basePath: string, rootOverride?: string, initialPath?: string, defaultSort?: DefaultSort) => {
+export const useFileBrowserApp = (
+  basePath: string,
+  rootOverride?: string,
+  initialPath?: string,
+  defaultSort?: DefaultSort,
+) => {
   const { user } = useAuth();
   const navigate = useNavigate();
   const [searchParams, setSearchParams] = useSearchParams();
   const homeRoot = 'home';
-  const [globalPath, setGlobalPath] = useUserState<string>('files/currentPath', '/');
-  const [localPath, setLocalPath] = useState(initialPath ?? basePath);
+  const [, setGlobalPath] = useUserState<string>('files/currentPath', '/');
+  const [currentPath, setLocalPath] = useState(initialPath ?? basePath);
   const scoped = basePath !== '/';
   const isolated = !!initialPath;
-  const currentPath = (scoped || isolated) ? localPath : globalPath;
-  const setCurrentPath = (scoped || isolated) ? setLocalPath : setGlobalPath;
+  // Navigation is session-local — the browser always opens at home, never restoring the
+  // last path. The main (unscoped) browser still mirrors its folder into files/currentPath
+  // so the Create Dashboard flow can default a new dashboard's cwd to it.
+  const setCurrentPath = (path: string) => {
+    setLocalPath(path);
+    if (!scoped && !isolated) setGlobalPath(path);
+  };
   const [entries, setEntries] = useState<DirEntry[]>([]);
   const [rootDir, setRootDir] = useState('');
   const [loading, setLoading] = useState(true);
@@ -661,37 +671,55 @@ export const useFileBrowserApp = (basePath: string, rootOverride?: string, initi
     user,
     // Navigation
     homeRoot,
-    currentPath, setCurrentPath,
+    currentPath,
+    setCurrentPath,
     // Directory listing
-    visibleEntries, loading, refresh,
+    visibleEntries,
+    loading,
+    refresh,
     // View
-    viewMode, setViewMode, defaultSort,
-    showHidden, setShowHidden, hiddenForced,
+    viewMode,
+    setViewMode,
+    defaultSort,
+    showHidden,
+    setShowHidden,
+    hiddenForced,
     // Selection
-    selected, setSelected,
+    selected,
+    setSelected,
     clipboard,
-    renamingName, setRenamingName,
+    renamingName,
+    setRenamingName,
     // Search
-    searchQuery, setSearchQuery,
-    searchResults, searching,
+    searchQuery,
+    setSearchQuery,
+    searchResults,
+    searching,
     searchInputRef,
     // Upload
     uploadProgress,
     // Clone
-    showCloneInput, setShowCloneInput,
-    cloneUrl, setCloneUrl,
+    showCloneInput,
+    setShowCloneInput,
+    cloneUrl,
+    setCloneUrl,
     cloning,
     // Drag & drop
     dragging,
     // Task runner
-    runningTask, setRunningTask,
+    runningTask,
+    setRunningTask,
     getMatchingTasks,
     // Video download
-    showVideoDownload, setShowVideoDownload,
-    videoUrl, setVideoUrl,
-    audioOnly, setAudioOnly,
+    showVideoDownload,
+    setShowVideoDownload,
+    videoUrl,
+    setVideoUrl,
+    audioOnly,
+    setAudioOnly,
     // Dictate
-    showDictate, setShowDictate,
+    showDictate,
+    setShowDictate,
     // Refs
     fileScrollRef,
     // Handlers
@@ -737,4 +765,3 @@ export type UseFileBrowserAppType = ReturnType<typeof useFileBrowserApp>;
 // ── Types ──
 
 type ClipboardState = { paths: string[]; mode: 'copy' | 'cut' } | null;
-