1.新增私聊接口2.新增.talk指令

core/models.py

@@ -1,6 +1,6 @@
 """数据模型定义"""
 from pydantic import BaseModel, Field
-from typing import Optional, Dict, Any
+from typing import Optional, Dict, Any, List
 
 
 class CallbackRequest(BaseModel):
@@ -76,3 +76,20 @@ class QuizGameState(GameState):
     attempts: int = Field(0, description="尝试次数")
     max_attempts: int = Field(3, description="最大尝试次数")
 
+
+class PrivateMessageRequest(BaseModel):
+    """私聊消息请求模型"""
+    user_id: int = Field(..., description="目标用户ID")
+    content: str = Field(..., description="消息内容")
+    msg_type: str = Field(default="text", description="消息类型: text 或 markdown")
+
+
+class CheckBatchRequest(BaseModel):
+    """批量检查请求模型"""
+    user_ids: List[int] = Field(..., description="用户ID列表")
+
+
+class CheckBatchResponse(BaseModel):
+    """批量检查响应模型"""
+    results: Dict[int, bool] = Field(..., description="用户ID到是否有URL的映射")
+