Creates the full Files page UI (Tasks 8 & 9): FilesNav, FileListItem,
FileList, FileDetails, FileUploadArea components, FilesPage layout, and
wires up the /files route plus sidebar/mobile-nav entries.
Samsung Galaxy phones (and others) can have GPS EXIF tags with null
coordinate values when location is disabled. The server returned
_latitude: null, and the client guard used !== undefined which passed
for null, causing null.toFixed() to crash React with no ErrorBoundary.
- Server: validate GPS array values are actual numbers before computing
- Client: use != null guard (catches both null and undefined)
- App: add ErrorBoundary to prevent white screens from any future crash
Home page: after uploading an image, shows tool selector on the left
(quick actions + all 37 tools by category) with image preview on the
right. Stays on the main page — no popup overlay.
Auth: when AUTH_ENABLED=true, unauthenticated users are redirected to
/login. Default credentials admin/admin. When auth is disabled (dev
default), no redirect happens.
Add useMobile hook for viewport detection (<768px). Update AppLayout
with hamburger menu, slide-over sidebar overlay, and fixed bottom
navigation bar (Tools, Automate, Files, Settings) for mobile. Update
Sidebar with expanded mode for mobile overlay. Update ToolPage to
stack settings above dropzone on mobile with collapsible panel. Add
new routes for /automate and /fullscreen. Integrate Settings dialog
and keyboard shortcuts at the App root level.
Siddharth Kumar Sah