WebUI后端整体重构

src/webui/schemas/chat.py

@@ -0,0 +1,26 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class VirtualIdentityConfig(BaseModel):
+    """虚拟身份配置"""
+
+    enabled: bool = False
+    platform: Optional[str] = None
+    person_id: Optional[str] = None
+    user_id: Optional[str] = None
+    user_nickname: Optional[str] = None
+    group_id: Optional[str] = None
+    group_name: Optional[str] = None
+
+
+class ChatHistoryMessage(BaseModel):
+    """聊天历史消息"""
+
+    id: str
+    type: str  # 'user' | 'bot' | 'system'
+    content: str
+    timestamp: float
+    sender_name: str
+    sender_id: Optional[str] = None
+    is_bot: bool = False