处理语音

keyBoard/Class/AiTalk/M/KBAiChatMessage.h

@@ -66,6 +66,9 @@ typedef NS_ENUM(NSInteger, KBAiChatMessageType) {
 /// 创建 AI 消息（仅文本，无音频）
 + (instancetype)assistantMessageWithText:(NSString *)text;
 
+/// 创建加载中的 AI 消息
++ (instancetype)loadingAssistantMessage;
+
 /// 创建时间戳消息
 + (instancetype)timeMessageWithTimestamp:(NSDate *)timestamp;
 

keyBoard/Class/AiTalk/M/KBAiChatMessage.m

@@ -70,6 +70,20 @@
     return message;
 }
 
++ (instancetype)loadingAssistantMessage {
+    KBAiChatMessage *message = [[KBAiChatMessage alloc] init];
+    message.type = KBAiChatMessageTypeAssistant;
+    message.text = @"";
+    message.timestamp = [NSDate date];
+    message.audioId = nil;
+    message.audioDuration = 0;
+    message.audioData = nil;
+    message.isComplete = NO;
+    message.isLoading = YES;
+    message.needsTypewriterEffect = NO;
+    return message;
+}
+
 + (instancetype)timeMessageWithTimestamp:(NSDate *)timestamp {
     KBAiChatMessage *message = [[KBAiChatMessage alloc] init];
     message.type = KBAiChatMessageTypeTime;