- On first start (no users in DB), show a setup page in the web UI
to create the admin account instead of reading credentials from .env
- New public endpoints: GET /api/setup/status, POST /api/setup
- New admin endpoint: GET /api/filebrowser?path=... for directory listing
- FileBrowser modal component with navigation, used in Admin > Libraries
- Remove _seed_admin / _seed_default_library from server startup
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
