Merge pull request 'fix: sort beacons by RSSI (closest first)' (#33) from schwifty/sort-beacons-by-rssi into main

Sort the beacon list so strongest signal (closest beacon) appears at the
top. Sorting happens both in BLEManager as beacons are discovered and in
the ScanView list rendering.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

PayfritBeacon/Services/BLEManager.swift

@@ -274,6 +274,9 @@ extension BLEManager: CBCentralManagerDelegate {
                 )
                 discoveredBeacons.append(beacon)
             }
+
+            // Keep list sorted by RSSI (strongest/closest first)
+            discoveredBeacons.sort { $0.rssi > $1.rssi }
         }
     }
 }

PayfritBeacon/Views/ScanView.swift

@@ -301,7 +301,7 @@ struct ScanView: View {
                     .padding()
                 }
             } else {
-                List(bleManager.discoveredBeacons) { beacon in
+                List(bleManager.discoveredBeacons.sorted { $0.rssi > $1.rssi }) { beacon in
                     Button {
                         selectedBeacon = beacon
                         Task { await startProvisioning(beacon) }