feat: 增加密码连接

webrtc_controller_flutter/lib/controller/remote_controller.dart

@@ -14,6 +14,8 @@ class RemoteController {
   final String serverUrl;
   final String deviceId;
   final String targetDeviceId;
+  final String? authType;
+  final String? authValue;
 
   late final SignalingClient _signaling;
   WebRtcController? _webRtc;
@@ -47,10 +49,14 @@ class RemoteController {
     required this.serverUrl,
     required this.deviceId,
     required this.targetDeviceId,
+    this.authType,
+    this.authValue,
   });
 
   /// 发起连接：先连接信令服务器，成功后建立 WebRTC 并创建 Offer。
-  void connect() {
+  void connect({String? authType, String? authValue}) {
+    this.authType = authType;
+    this.authValue = authValue;
     onStatusChanged?.call('状态: 正在连接信令服务器...');
 
     _signaling = SignalingClient(serverUrl: serverUrl, deviceId: deviceId);
@@ -74,6 +80,8 @@ class RemoteController {
       signaling: _signaling,
       deviceId: deviceId,
       targetDeviceId: targetDeviceId,
+      authType: authType,
+      authValue: authValue,
     );
     _webRtc!.onConnectionEstablished = () {
       onConnectionEstablished?.call();
@@ -109,13 +117,24 @@ class RemoteController {
       case 'CONNECTION_REJECTED':
       case 'REQUEST_ERROR':
       case 'REQUEST_TIMEOUT':
-        final text = message.payload ?? '连接请求失败';
+        final text = _parseRejectReason(message.payload);
         onStatusChanged?.call('状态: $text');
         onConnectionRejected?.call(text);
         break;
     }
   }
 
+  /// 解析拒绝原因：优先读取 JSON 中的 reason 字段，否则直接返回原文。
+  String _parseRejectReason(String? payload) {
+    if (payload == null || payload.isEmpty) return '连接请求失败';
+    try {
+      final map = jsonDecode(payload) as Map<String, dynamic>;
+      final r = map['reason'];
+      if (r is String && r.isNotEmpty) return r;
+    } catch (_) {}
+    return payload;
+  }
+
   void _startStats() {
     _statsTimer?.cancel();
     _statsTimer = Timer.periodic(const Duration(seconds: 1), (_) async {