[全量] 初始化项目代码、配置、文档及Agent协同harness

langchain-chat/server/db/models/conversation_model.py

@@ -0,0 +1,17 @@
+from sqlalchemy import Column, Integer, String, DateTime, JSON, func
+from server.db.base import Base
+
+
+class ConversationModel(Base):
+    """
+    聊天记录模型
+    """
+    __tablename__ = 'conversation'
+    id = Column(String(32), primary_key=True, comment='对话框ID')
+    name = Column(String(50), comment='对话框名称')
+    # chat/agent_chat等
+    chat_type = Column(String(50), comment='聊天类型')
+    create_time = Column(DateTime, default=func.now(), comment='创建时间')
+
+    def __repr__(self):
+        return f"<Conversation(id='{self.id}', name='{self.name}', chat_type='{self.chat_type}', create_time='{self.create_time}')>"