forceView prop was overriding local activeView on every render. Once parent
set sidebarForceView='history' after starting a scan, it never cleared, so
clicks on other nav items were ignored. Treat forceView as a one-shot
trigger via the previous-prop pattern; user clicks afterward control view.
- Backend: POST /scan/pending/bulk-approve and /scan/pending/bulk-hide endpoints (registered before dynamic routes to avoid conflict); bulk-approve response includes device_ids for frontend mapping
- Frontend: PendingDevicesPanel gains per-row checkboxes, select-all, and a bulk action bar (Approve N / Hide N) that appears when ≥1 device is selected
- Tests: 6 new backend API tests + 7 new frontend UI tests for bulk selection flows