fix: trim auth and post-write delays from 600ms down to 100ms total

- Auth trigger settle: 100ms → 50ms
- Auth password settle: 500ms → 50ms
- Post-write reboot settle: 200ms → 50ms

Beacon handles 50ms inter-command just fine, no reason for the
beginning and end to be slower.

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

PayfritBeacon/Provisioners/DXSmartProvisioner.swift

@@ -384,15 +384,13 @@ final class DXSmartProvisioner: NSObject, BeaconProvisioner {
         // Step 1: Trigger — fire and forget (matches Android's WRITE_TYPE_NO_RESPONSE)
         if let triggerData = Self.triggerPassword.data(using: .utf8) {
             peripheral.writeValue(triggerData, for: ffe3, type: .withoutResponse)
-            try await Task.sleep(nanoseconds: 100_000_000) // 100ms (matches Android SDK timer)
+            try await Task.sleep(nanoseconds: 50_000_000) // 50ms settle
         }
 
         // Step 2: Auth password — fire and forget
         if let authData = Self.defaultPassword.data(using: .utf8) {
             peripheral.writeValue(authData, for: ffe3, type: .withoutResponse)
-            // 500ms settle after auth — beacon needs time to enter config mode,
-            // especially if BLE stack was stressed by prior provisioner attempts
-            try await Task.sleep(nanoseconds: 500_000_000)
+            try await Task.sleep(nanoseconds: 50_000_000) // 50ms settle
         }
     }
 

PayfritBeacon/Views/ScanView.swift

@@ -620,8 +620,8 @@ struct ScanView: View {
             try await provisioner.writeConfig(config)
             writesCompleted = true
 
-            // Give the beacon 200ms to process SaveConfig before dropping the BLE link.
-            try? await Task.sleep(nanoseconds: 200_000_000)
+            // Brief settle after SaveConfig before dropping the BLE link.
+            try? await Task.sleep(nanoseconds: 50_000_000)
             provisioner.disconnect()
 
             try await APIClient.shared.registerBeaconHardware(