新增聊天记录

keyBoard/Class/AiTalk/M/KBChatHistoryModel.m

@@ -0,0 +1,43 @@
+//
+//  KBChatHistoryModel.m
+//  keyBoard
+//
+//  Created by Kiro on 2026/1/26.
+//
+
+#import "KBChatHistoryModel.h"
+#import <MJExtension/MJExtension.h>
+
+@implementation KBChatHistoryModel
+
+#pragma mark - MJExtension 配置
+
+// 字段映射
++ (NSDictionary *)mj_replacedKeyFromPropertyName {
+    return @{
+        @"messageId": @"id"
+    };
+}
+
+// 转换完成后的处理
+- (void)mj_keyValuesDidFinishConvertingToObject {
+    // 容错处理
+    if (!self.content) {
+        self.content = @"";
+    }
+    if (!self.createdAt) {
+        self.createdAt = @"";
+    }
+}
+
+#pragma mark - 扩展属性
+
+- (BOOL)isUserMessage {
+    return self.sender == KBChatSenderUser;
+}
+
+- (BOOL)isAssistantMessage {
+    return self.sender == KBChatSenderAssistant;
+}
+
+@end