新增公共房间消息转发通知常量，并在相关管理器和视图控制器中实现消息转发逻辑，优化公共房间消息处理流程，提升代码可读性和功能性。

YuMi/Modules/YMRoom/View/XPRoomViewController.h

@@ -7,6 +7,10 @@
 
 #import "MvpViewController.h"
 #import "XPMessageRemoteExtModel.h"
+
+// 公共房间消息转发通知名称
+UIKIT_EXTERN NSString * const kMessageFromPublicRoomWithAttachmentNotification;
+
 NS_ASSUME_NONNULL_BEGIN
 
 @interface XPRoomViewController : MvpViewController

YuMi/Modules/YMRoom/View/XPRoomViewController.m

@@ -98,6 +98,7 @@
 UIKIT_EXTERN NSString * const kRoomGiftEffectUpdateNotificationKey;
 UIKIT_EXTERN NSString * const kRoomMiniNotificationKey;
 UIKIT_EXTERN NSString * kNewUserRechargeKey;
+UIKIT_EXTERN NSString * const kMessageFromPublicRoomWithAttachmentNotification;
 UIKIT_EXTERN NSString * const kFreeGiftCountdownNotification;
 NSString * const kHadShowAnchorRoomTipKey = @"kHadShowAnchorRoomTipKey";//是否展示过个播房上划用户引导
 NSString * const kHadQuitOtherRoomKey = @"kHadQuitOtherRoomKey";//是否退出过非自己房间
@@ -421,6 +422,12 @@ XPCandyTreeInsufficientBalanceViewDelegate>
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(myGiftEffectUpdate:) name:kRoomGiftEffectUpdateNotificationKey object:nil];
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(openRedPacketNotification:) name:@"kOpenRedPacketNotification" object:nil];
     
+    // 添加公共房间消息转发通知监听
+    [[NSNotificationCenter defaultCenter] addObserver:self 
+                                             selector:@selector(handlePublicRoomMessageForward:) 
+                                                 name:@"MessageFromPublicRoomWithAttachmentNotification" 
+                                               object:nil];
+    
     // 添加应用生命周期保护
     [[NSNotificationCenter defaultCenter] addObserver:self 
                                              selector:@selector(applicationDidEnterBackground:) 
@@ -3121,4 +3128,26 @@ XPCandyTreeInsufficientBalanceViewDelegate>
     }
     return _redPacketView;
 }
+
+#pragma mark - 公共房间消息转发处理
+
+- (void)handlePublicRoomMessageForward:(NSNotification *)notification {
+    NIMMessage *message = notification.object;
+    if (![message isKindOfClass:[NIMMessage class]]) {
+        NSLog(@"XPRoomViewController: 收到无效的公共房间转发消息");
+        return;
+    }
+    
+    // 检查房间是否处于活跃状态
+    if (!self.roomInfo || !self.messageContainerView) {
+        NSLog(@"XPRoomViewController: 房间未就绪，忽略公共房间转发消息");
+        return;
+    }
+    
+    // 使用现有的消息处理流程
+    [self.messageContainerView handleNIMCustomMessage:message];
+    
+    NSLog(@"XPRoomViewController: 处理公共房间转发的106类型消息");
+}
+
 @end