feat(home): 完善直播间跳转逻辑并优化主播展示界面

- 添加 RoomController 和 OverlayController 依赖注入
- 实现进入直播间前隐藏小窗口和退出当前直播间的逻辑
- 添加异常处理和用户提示信息
- 移除主播展示界面中已添加好友的隐藏逻辑
- 更新加好友按钮文本为好友状态显示
- 优化用户交互逻辑防止好友状态下的重复操作

lib/pages/home/content_card.dart

@@ -1,11 +1,14 @@
 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:flutter/material.dart';
-import 'package:get/get.dart';
 import 'package:dating_touchme_app/model/home/marriage_data.dart';
+import 'package:dating_touchme_app/pages/discover/live_room_page.dart';
 import 'package:dating_touchme_app/pages/home/user_information_page.dart';
 import 'package:dating_touchme_app/pages/message/chat_page.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
 
 // 通用头部组件：头像/昵称/在线/认证/Hi/直播中徽标
 class _CardHeader extends StatelessWidget {
@@ -228,7 +231,29 @@ class _CardHeader extends StatelessWidget {
             // 点击事件处理
             if (isLive) {
               // 进入直播间逻辑
-              print('进入直播间');
+              try {
+                // 1. 隐藏直播间小窗口（如果存在）
+                if (Get.isRegistered<OverlayController>()) {
+                  final overlayController = Get.find<OverlayController>();
+                  overlayController.hide();
+                }
+
+                // 2. 获取 RoomController 实例
+                final roomController = Get.isRegistered<RoomController>()
+                    ? Get.find<RoomController>()
+                    : Get.put(RoomController());
+
+                // 3. 如果当前已经在直播间，先退出当前直播间
+                //    leaveChannel 内部会处理未在频道时的情况
+                await roomController.leaveChannel();
+
+                // 4. 跳转到新的直播间页面
+                //    这里暂时使用 id: 0，实际频道信息由后端/进入逻辑决定
+                await Get.to(() => const LiveRoomPage(id: 0));
+              } catch (e) {
+                print('❌ [ContentCard] 进入直播间失败: $e');
+                SmartDialog.showToast('进入直播间失败，请重试');
+              }
             } else if (isOnline) {
               // HI按钮点击逻辑 - 跳转到聊天页面
               try {

lib/widget/live/live_room_anchor_showcase.dart

@@ -94,10 +94,6 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                             .rtcChannelDetail
                             .value
                             ?.anchorInfo;
-                        // 如果已经是好友，不显示加好友按钮
-                        if (anchorInfo?.isFriend == true) {
-                          return const SizedBox.shrink();
-                        }
                         return Positioned(
                           bottom: 5.w,
                           right: 5.w,
@@ -110,7 +106,7 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                             ),
                             child: Center(
                               child: Text(
-                                "加好友",
+                                anchorInfo?.isFriend == true ? '好友' : "加好友",
                                 style: TextStyle(
                                   fontSize: 11.w,
                                   color: const Color.fromRGBO(117, 98, 249, 1),
@@ -119,6 +115,9 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                             ),
                           ),
                         ).onTap((){
+                          if(anchorInfo?.isFriend == true){
+                            return;
+                          }
                           if (anchorInfo != null) {
                             _showGiftPopupForUser(anchorInfo, 2);
                           }
@@ -253,7 +252,7 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                           ),
                         ),
                       ),
-                      if(!isCurrentUser && userInfo.isFriend != true)
+                      if(!isCurrentUser)
                         Positioned(
                           top: 5.w,
                           right: 5.w,
@@ -292,7 +291,7 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                             ),
                             child: Center(
                               child: Text(
-                                "加好友",
+                                userInfo.isFriend != true ? "加好友" : '好友',
                                 style: TextStyle(
                                   fontSize: 11.w,
                                   color: const Color.fromRGBO(117, 98, 249, 1),
@@ -300,6 +299,9 @@ class _LiveRoomAnchorShowcaseState extends State<LiveRoomAnchorShowcase> {
                               ),
                             ),
                           ).onTap((){
+                            if(userInfo.isFriend == true){
+                              return;
+                            }
                             _showGiftPopupForUser(userInfo, 2);
                           }),
                         ),