feat(call): 添加RTC通话拒绝和取消功能并优化通话时长计时

- 添加refuseOneOnOneRtcChannel和cancelOneOnOneRtcChannel API接口
- 实现发起方收到accept消息后自动启动通话计时器
- 优化VideoCallPage中的响应式变量监听和UI状态判断
- 移除未使用的IMManager导入
- 更新通话状态显示逻辑，区分呼叫中和已接通状态

lib/controller/message/call_controller.dart

@@ -5,7 +5,6 @@ import 'package:agora_rtc_engine/agora_rtc_engine.dart';
 import 'package:agora_rtm/agora_rtm.dart';
 import 'package:audioplayers/audioplayers.dart';
 import 'package:dating_touchme_app/generated/assets.dart';
-import 'package:dating_touchme_app/im/im_manager.dart';
 import 'package:dating_touchme_app/model/rtc/rtc_channel_data.dart';
 import 'package:dating_touchme_app/network/network_service.dart';
 import 'package:dating_touchme_app/rtc/rtc_manager.dart';
@@ -148,7 +147,7 @@ class CallController extends GetxController {
       if (messageData['type'] == 'call_message') {
         final event = messageData['event'] as String?;
         if (event == 'accept') {
-          // 发起方收到 accept 消息，设置远端用户 UID
+          // 发起方收到 accept 消息，设置远端用户 UID 并启动计时器
           final uid = messageData['uid'];
           if (uid != null) {
             remoteUid.value = uid is int ? uid : int.tryParse(uid.toString());
@@ -156,6 +155,9 @@ class CallController extends GetxController {
               '📞 [CallController] 收到 accept 消息，设置 remoteUid: ${remoteUid.value}',
             );
           }
+          // 发起方收到 accept 消息后，启动通话计时器
+          _startCallTimer();
+          print('📞 [CallController] 收到 accept 消息，已启动通话计时器');
         } else if (event == 'hangup') {
           // 收到挂断消息，执行退出逻辑
           print('📞 [CallController] 收到 hangup 消息，执行退出逻辑');

lib/network/api_urls.dart

@@ -131,6 +131,11 @@ class ApiUrls {
   static const String getUserPropLinkMicCard =
       'dating-agency-chat-audio/user/get/user-prop/link-mic-card';
 
+  static const String refuseOneOnOneRtcChannel =
+      'dating-agency-chat-audio/user/refuse/one-on-one/rtc-channel';
+
+  static const String cancelOneOnOneRtcChannel =
+      'dating-agency-chat-audio/user/cancel/one-on-one/rtc-channel';
 
   static const String getAppVersion =
       'dating-agency-uec/user/get/app-version/update';

lib/network/rtc_api.dart

@@ -99,4 +99,16 @@ abstract class RtcApi {
   /// 获取用户道具连麦卡片
   @GET(ApiUrls.getUserPropLinkMicCard)
   Future<HttpResponse<BaseResponse<LinkMicCardModel>>> getUserPropLinkMicCard();
+
+  /// 拒绝一对一RTC频道
+  @POST(ApiUrls.refuseOneOnOneRtcChannel)
+  Future<HttpResponse<BaseResponse<dynamic>>> refuseOneOnOneRtcChannel(
+    @Body() Map<String, dynamic> data,
+  );
+
+  /// 取消一对一RTC频道
+  @POST(ApiUrls.cancelOneOnOneRtcChannel)
+  Future<HttpResponse<BaseResponse<dynamic>>> cancelOneOnOneRtcChannel(
+    @Body() Map<String, dynamic> data,
+  );
 }

lib/network/rtc_api.g.dart

@@ -570,6 +570,74 @@ class _RtcApi implements RtcApi {
     return httpResponse;
   }
 
+  @override
+  Future<HttpResponse<BaseResponse<dynamic>>> refuseOneOnOneRtcChannel(
+    Map<String, dynamic> data,
+  ) async {
+    final _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{};
+    final _headers = <String, dynamic>{};
+    final _data = <String, dynamic>{};
+    _data.addAll(data);
+    final _options = _setStreamType<HttpResponse<BaseResponse<dynamic>>>(
+      Options(method: 'POST', headers: _headers, extra: _extra)
+          .compose(
+            _dio.options,
+            'dating-agency-chat-audio/user/refuse/one-on-one/rtc-channel',
+            queryParameters: queryParameters,
+            data: _data,
+          )
+          .copyWith(baseUrl: _combineBaseUrls(_dio.options.baseUrl, baseUrl)),
+    );
+    final _result = await _dio.fetch<Map<String, dynamic>>(_options);
+    late BaseResponse<dynamic> _value;
+    try {
+      _value = BaseResponse<dynamic>.fromJson(
+        _result.data!,
+        (json) => json as dynamic,
+      );
+    } on Object catch (e, s) {
+      errorLogger?.logError(e, s, _options);
+      rethrow;
+    }
+    final httpResponse = HttpResponse(_value, _result);
+    return httpResponse;
+  }
+
+  @override
+  Future<HttpResponse<BaseResponse<dynamic>>> cancelOneOnOneRtcChannel(
+    Map<String, dynamic> data,
+  ) async {
+    final _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{};
+    final _headers = <String, dynamic>{};
+    final _data = <String, dynamic>{};
+    _data.addAll(data);
+    final _options = _setStreamType<HttpResponse<BaseResponse<dynamic>>>(
+      Options(method: 'POST', headers: _headers, extra: _extra)
+          .compose(
+            _dio.options,
+            'dating-agency-chat-audio/user/cancel/one-on-one/rtc-channel',
+            queryParameters: queryParameters,
+            data: _data,
+          )
+          .copyWith(baseUrl: _combineBaseUrls(_dio.options.baseUrl, baseUrl)),
+    );
+    final _result = await _dio.fetch<Map<String, dynamic>>(_options);
+    late BaseResponse<dynamic> _value;
+    try {
+      _value = BaseResponse<dynamic>.fromJson(
+        _result.data!,
+        (json) => json as dynamic,
+      );
+    } on Object catch (e, s) {
+      errorLogger?.logError(e, s, _options);
+      rethrow;
+    }
+    final httpResponse = HttpResponse(_value, _result);
+    return httpResponse;
+  }
+
   RequestOptions _setStreamType<T>(RequestOptions requestOptions) {
     if (T != dynamic &&
         !(requestOptions.responseType == ResponseType.bytes ||

lib/pages/message/video_call_page.dart

@@ -391,8 +391,15 @@ class _VideoCallPageState extends State<VideoCallPage> {
   /// 构建用户信息
   Widget _buildUserInfo() {
     return Obx(() {
-      // 如果已接通，不显示头像和昵称
-      if (_isCallConnected) {
+      // 在 Obx 中直接访问响应式变量，确保建立监听关系
+      final callSession = _callController.currentCall.value;
+      final callDuration = _callController.callDurationSeconds.value;
+      final isCallConnected = callSession != null && callDuration > 0;
+      
+      print('📞 [VideoCallPage] _buildUserInfo Obx 重建，isCallConnected: $isCallConnected, callDuration: $callDuration');
+      
+      // 如果已接通，不显示头像和昵称（适用于发起方和接收方）
+      if (isCallConnected) {
         return const SizedBox.shrink();
       }
     
@@ -443,8 +450,13 @@ class _VideoCallPageState extends State<VideoCallPage> {
   /// 构建通话时长/状态文本
   Widget _buildCallDuration() {
     return Obx(() {
+      // 在 Obx 中直接访问响应式变量，确保建立监听关系
+      final callSession = _callController.currentCall.value;
+      final callDuration = _callController.callDurationSeconds.value;
+      final isCallConnected = callSession != null && callDuration > 0;
+      
       // 如果是被呼叫方且未接通，显示邀请文字
-      if (!widget.isInitiator && !_isCallConnected) {
+      if (!widget.isInitiator && !isCallConnected) {
         final isVideoCall = widget.callType == 'video';
         final inviteText = isVideoCall ? '邀请你视频通话' : '邀请你语音通话';
         
@@ -466,19 +478,19 @@ class _VideoCallPageState extends State<VideoCallPage> {
       }
       
       // 如果已接通但控制按钮已隐藏，不显示时长
-      if (_isCallConnected && !showControls.value) {
+      if (isCallConnected && !showControls.value) {
         return const SizedBox.shrink();
       }
       
       // 呼叫方或已接通，显示时长或"正在呼叫中"
-      final duration = Duration(seconds: _callController.callDurationSeconds.value);
+      final duration = Duration(seconds: callDuration);
       return Positioned(
         bottom: MediaQuery.of(context).size.height * 0.25,
         left: 0,
         right: 0,
         child: Center(
           child: Text(
-            _isCallConnected ? _formatDuration(duration) : '正在呼叫中',
+            isCallConnected ? _formatDuration(duration) : '正在呼叫中',
             style: TextStyle(
               color: Colors.white,
               fontSize: 16.sp,
@@ -493,8 +505,13 @@ class _VideoCallPageState extends State<VideoCallPage> {
   /// 构建控制按钮
   Widget _buildControlButtons() {
     return Obx(() {
+      // 在 Obx 中直接访问响应式变量，确保建立监听关系
+      final callSession = _callController.currentCall.value;
+      final callDuration = _callController.callDurationSeconds.value;
+      final isCallConnected = callSession != null && callDuration > 0;
+      
       // 如果是被呼叫方且未接通，显示"拒绝"和"接听"按钮
-      if (!widget.isInitiator && !_isCallConnected) {
+      if (!widget.isInitiator && !isCallConnected) {
         return Positioned(
           bottom: 40.h,
           left: 0,
@@ -524,7 +541,7 @@ class _VideoCallPageState extends State<VideoCallPage> {
       }
       
       // 如果已接通但控制按钮已隐藏，不显示按钮
-      if (_isCallConnected && !showControls.value) {
+      if (isCallConnected && !showControls.value) {
         return const SizedBox.shrink();
       }