GET /api/areas, GET /api/inventory-scans, PATCH+DELETE /api/inventory-scans/[id], GET /api/inventory-scans/[id]/photo (proxies Telegram file_id on demand, derives Content-Type from file_path extension since Telegram serves application/octet-stream regardless of actual type).
Co-Authored-By: Claude Sonnet 5 <[email protected]>
