feat(call): 添加通话角色管理和消息传递功能

- 新增 CallRole 枚举定义主叫和被叫角色
- 在 CallController 中添加 callRole 属性并初始化为 caller
- 在 IMManager 中设置被叫角色标识
- 扩展 OverlayController 以支持消息传递
- 更新 VideoCallOverlayWidget 以接收和处理通话消息
- 修改 VideoCallPage 接收并传递消息参数
- 优化通话发起判断逻辑基于角色配置

lib/controller/message/call_controller.dart

@@ -25,6 +25,11 @@ enum CallType {
   video, // 视频通话
 }
 
+enum CallRole {
+  caller, // 主叫
+  callee, // 被叫
+}
+
 /// 通话状态
 enum CallStatus {
   waitCalling, // 等待接通
@@ -86,7 +91,7 @@ class CallController extends GetxController {
     : _networkService = networkService ?? Get.find<NetworkService>();
 
   final NetworkService _networkService;
-
+  CallRole callRole = CallRole.caller;
   /// 当前频道信息
   final Rxn<RtcChannelData> rtcChannel = Rxn<RtcChannelData>();
 
@@ -167,7 +172,7 @@ class CallController extends GetxController {
       print('❌ [CallController] 权限检查失败，无法创建通话频道');
       return null;
     }
-
+    callRole = CallRole.caller;
     isCreatingChannel.value = true;
 
     final response = await _networkService.rtcApi.createOneOnOneRtcChannel({

lib/controller/overlay_controller.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:im_flutter_sdk/im_flutter_sdk.dart';
 
 /// 全局 Overlay 控制器
 class OverlayController extends GetxController {
@@ -12,6 +13,7 @@ class OverlayController extends GetxController {
   String? videoCallTargetUserId;
   String? videoCallTargetUserName;
   String? videoCallTargetAvatarUrl;
+  EMMessage? videoCallTargetMessage;
 
   /// 显示 overlay（直播房间）
   void show() {
@@ -33,11 +35,13 @@ class OverlayController extends GetxController {
     required String targetUserId,
     String? targetUserName,
     String? targetAvatarUrl,
+    EMMessage? message,
   }) {
     videoCallTargetUserId = targetUserId;
     videoCallTargetUserName = targetUserName;
     videoCallTargetAvatarUrl = targetAvatarUrl;
     showVideoCallOverlay.value = true;
+    videoCallTargetMessage = message;
   }
 
   /// 隐藏视频通话 overlay

lib/im/im_manager.dart

@@ -1961,7 +1961,7 @@ class IMManager {
 
                     // 停止播放来电铃声
                     callController.stopCallAudio();
-
+                    callController.callRole = CallRole.callee;
                     // 只跳转到视频通话页面，不自动接通
                     Get.to(
                       () => VideoCallPage(

lib/main.dart

@@ -132,6 +132,7 @@ void main() async {
                         targetUserId: overlayController.videoCallTargetUserId ?? '',
                         targetUserName: overlayController.videoCallTargetUserName,
                         targetAvatarUrl: overlayController.videoCallTargetAvatarUrl,
+                        message: overlayController.videoCallTargetMessage,
                         onClose: () {
                           overlayController.hideVideoCall();
                         },

lib/pages/message/video_call_page.dart

@@ -297,6 +297,7 @@ class _VideoCallPageState extends State<VideoCallPage> {
         targetUserId: widget.targetUserId,
         targetUserName: _targetUserName,
         targetAvatarUrl: _targetAvatarUrl,
+        message: widget.callMessage,
       );
     }
     // 返回上一页

lib/widget/message/video_call_overlay_widget.dart

@@ -8,6 +8,7 @@ import 'package:dating_touchme_app/rtc/rtc_manager.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
+import 'package:im_flutter_sdk/im_flutter_sdk.dart';
 
 /// 视频通话小窗组件
 class VideoCallOverlayWidget extends StatefulWidget {
@@ -15,6 +16,7 @@ class VideoCallOverlayWidget extends StatefulWidget {
   final String targetUserId;
   final String? targetUserName;
   final String? targetAvatarUrl;
+  final EMMessage? message;
 
   const VideoCallOverlayWidget({
     super.key,
@@ -22,6 +24,7 @@ class VideoCallOverlayWidget extends StatefulWidget {
     required this.targetUserId,
     this.targetUserName,
     this.targetAvatarUrl,
+    this.message,
   });
 
   @override
@@ -237,10 +240,12 @@ class _VideoCallOverlayWidgetState extends State<VideoCallOverlayWidget> {
             ),
           ),
         ).onTap(() {
+          Get.log("点击小窗${widget.message}");
           // 点击小窗，返回视频通话页面
           Get.to(() => VideoCallPage(
             targetUserId: widget.targetUserId,
-            isInitiator: callSession?.isInitiator ?? true,
+            callMessage: widget.message,
+            isInitiator: callSession?.isInitiator ?? CallController.instance.callRole == CallRole.caller ? true : false,
           ));
           widget.onClose?.call();
         });