- QRScannerView: AVFoundation camera + barcode/QR detection with
flashlight toggle, viewfinder overlay, MAC/UUID pattern recognition
- New API endpoints: deleteServicePoint, updateServicePoint,
listBeacons, decommissionBeacon, lookupByMac, getBeaconStatus, getProfile
- Wire QR scanner into ScanView with BLE Scan + QR Scan side-by-side
- MAC address lookup on scan to check if beacon already registered
- Updated Xcode project file with new source
