fix(live): 修复直播间功能和礼物防抖问题

- 添加礼物发送防抖机制，3秒内不允许重复点击
- 修复直播间跳转逻辑，避免重复加入相同频道
- 优化聊天消息点击处理，避免自己的消息显示用户资料对话框
- 添加频道切换时的退出机制，确保正确切换直播间

lib/pages/discover/live_item_widget.dart

@@ -1,7 +1,10 @@
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:dating_touchme_app/controller/discover/room_controller.dart';
+import 'package:dating_touchme_app/controller/overlay_controller.dart';
 import 'package:dating_touchme_app/generated/assets.dart';
 import 'package:dating_touchme_app/model/discover/rtc_channel_model.dart';
+import 'package:dating_touchme_app/pages/discover/live_room_page.dart';
+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';
@@ -39,10 +42,38 @@ class _LiveItemWidgetState extends State<LiveItemWidget> {
   Widget build(BuildContext context) {
     return InkWell(
       onTap: () async {
+        // 获取目标 channelId
+        String? targetChannelId;
         if (widget.channelId != null && widget.channelId!.isNotEmpty) {
-          await roomController.joinChannel(widget.channelId!);
+          targetChannelId = widget.channelId!;
         } else if (widget.item is Map && widget.item['channelId'] != null) {
-          await roomController.joinChannel(widget.item['channelId'].toString());
+          targetChannelId = widget.item['channelId'].toString();
+        }
+
+        if (targetChannelId == null || targetChannelId.isEmpty) {
+          return;
+        }
+
+        // 获取当前直播间的 channelId
+        final currentChannelId = RTCManager.instance.currentChannelId;
+
+        // 如果 channelId 与当前直播间一致，直接进入直播间（逻辑与点击小窗口一致）
+        if (currentChannelId != null &&
+            currentChannelId.isNotEmpty &&
+            currentChannelId == targetChannelId) {
+          // 隐藏小窗口（如果显示的话）
+          if (Get.isRegistered<OverlayController>()) {
+            final overlayController = Get.find<OverlayController>();
+            overlayController.hide();
+          }
+          // 直接跳转到直播间
+          Get.to(() => const LiveRoomPage(id: 0));
+        } else {
+          // 如果不一致，先退出当前直播间，再加入新的直播间
+          if (currentChannelId != null && currentChannelId.isNotEmpty) {
+            await roomController.leaveChannel();
+          }
+          await roomController.joinChannel(targetChannelId);
         }
       },
       child: ClipRRect(

lib/pages/message/chat_page.dart

@@ -167,11 +167,11 @@ class _ChatPageState extends State<ChatPage> {
             );
             // 只有发起通话成功时才跳转到视频通话页面
             if (success) {
-              Get.to(() => VideoCallPage(
-                targetUserId: widget.userId,
-                userData: widget.userData ?? controller.userData,
-                isInitiator: true,
-              ));
+            Get.to(() => VideoCallPage(
+              targetUserId: widget.userId,
+              userData: widget.userData ?? controller.userData,
+              isInitiator: true,
+            ));
             }
           },
         );

lib/widget/live/live_gift_popup.dart

@@ -39,6 +39,8 @@ class _LiveGiftPopupState extends State<LiveGiftPopup> {
   int? _selectedUserId;
   // 标记是否已经尝试过设置默认选中
   bool _hasTriedSetDefault = false;
+  // 上次发送礼物的时间（用于防抖，3秒内不允许重复点击）
+  DateTime? _lastSendGiftTime;
 
   @override
   void initState() {
@@ -101,6 +103,17 @@ class _LiveGiftPopupState extends State<LiveGiftPopup> {
 
   // 处理赠送礼物
   Future<void> _handleSendGift(int type) async {
+    // 检查是否在3秒内重复点击
+    final now = DateTime.now();
+    if (_lastSendGiftTime != null) {
+      final duration = now.difference(_lastSendGiftTime!);
+      if (duration.inSeconds < 3) {
+        SmartDialog.showToast('操作太频繁，请稍后再试');
+        return;
+      }
+    }
+    _lastSendGiftTime = now;
+
     // 检查是否选中了礼物
     final activeIndex = widget.activeGift.value;
     if (activeIndex == null ||

lib/widget/live/live_room_chat_item.dart

@@ -1,4 +1,5 @@
 import 'package:dating_touchme_app/controller/discover/room_controller.dart';
+import 'package:dating_touchme_app/controller/global.dart';
 import 'package:dating_touchme_app/extension/ex_widget.dart';
 import 'package:dating_touchme_app/generated/assets.dart';
 import 'package:dating_touchme_app/model/live/live_chat_message.dart';
@@ -77,6 +78,13 @@ class LiveRoomChatItem extends StatelessWidget {
                       height: 25.w,
                     ),
                   ).onTap(() {
+                    // 检查是否是当前用户自己的消息
+                    final currentUserId = GlobalData().userId ?? GlobalData().userData?.id;
+                    if (currentUserId != null && currentUserId == message.userId) {
+                      // 是自己的头像，不显示弹框
+                      return;
+                    }
+                    // 不是自己的消息，显示用户资料对话框
                     showUserProfileDialog(
                       context,
                       message,