| """Business logic services.""" |
|
|
| from __future__ import annotations |
|
|
| """ |
| 会话共享数据模型 |
| |
| 定义 SessionDTO 和 MessageDTO,供 session_lifecycle_service 和 session_message_service 共享. |
| """ |
|
|
|
|
| from dataclasses import dataclass |
| from typing import Any |
|
|
|
|
| @dataclass |
| class SessionDTO: |
| id: int |
| session_id: str |
| case_id: int |
| case_name: str |
| user_id: int | None |
| document_type: str |
| status: str |
| metadata: dict[str, Any] |
| created_at: Any |
| updated_at: Any |
|
|
|
|
| @dataclass |
| class MessageDTO: |
| id: int |
| session_id: str |
| role: str |
| content: str |
| metadata: dict[str, Any] |
| created_at: Any |
|
|
