feat: update optimizations

lib/service/firmware_update_service.dart

@@ -148,6 +148,8 @@ class FirmwareUpdateService {
         await _connectToBootloader(timeout: effectiveBootloaderConnectTimeout);
       }
 
+      await _optimizeBootloaderConnection();
+
       final mtuResult =
           await _transport.negotiateMtu(requestedMtu: requestedMtu);
       if (mtuResult.isErr()) {
@@ -455,6 +457,13 @@ class FirmwareUpdateService {
     }
   }
 
+  Future<void> _optimizeBootloaderConnection() async {
+    final result = await _transport.optimizeBootloaderConnection();
+    if (result.isErr()) {
+      _emitProgress(errorMessage: result.unwrapErr().toString());
+    }
+  }
+
   Future<DfuBootloaderStatus> _sendStartAndWaitForStatus(
     BootloaderDfuStartPayload payload, {
     required Duration timeout,
@@ -481,6 +490,7 @@ class FirmwareUpdateService {
       errorMessage: failure.message,
     );
     await _connectToBootloader(timeout: bootloaderConnectTimeout);
+    await _optimizeBootloaderConnection();
     await _subscribeToStatus();
     _emitProgress(state: DfuUpdateState.waitingForStatus);
     return _requestStatus(timeout: timeout);
@@ -746,6 +756,8 @@ abstract interface class FirmwareUpdateTransport {
 
   Future<Result<void>> connectToBootloader({required Duration timeout});
 
+  Future<Result<void>> optimizeBootloaderConnection();
+
   Future<Result<int>> negotiateMtu({required int requestedMtu});
 
   Stream<List<int>> subscribeToStatus();
@@ -832,6 +844,17 @@ class ShifterFirmwareUpdateTransport implements FirmwareUpdateTransport {
     );
   }
 
+  @override
+  Future<Result<void>> optimizeBootloaderConnection() {
+    final deviceId = _requireBootloaderDeviceId();
+    if (deviceId.isErr()) {
+      return Future.value(Err(deviceId.unwrapErr()));
+    }
+    return bluetoothController.requestHighPerformanceConnection(
+      deviceId.unwrap(),
+    );
+  }
+
   @override
   Future<Result<int>> negotiateMtu({required int requestedMtu}) {
     final deviceId = _requireBootloaderDeviceId();