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- """
- Trace Storage Protocol - Trace 存储接口定义
- 使用 Protocol 定义接口,允许不同的存储实现(内存、PostgreSQL、Neo4j 等)
- """
- from typing import Protocol, List, Optional, Dict, Any, runtime_checkable
- from .models import Trace, Message
- from .goal_models import GoalTree, Goal
- @runtime_checkable
- class TraceStore(Protocol):
- """Trace + Message + GoalTree 存储接口"""
- # ===== Trace 操作 =====
- async def create_trace(self, trace: Trace) -> str:
- """
- 创建新的 Trace
- Args:
- trace: Trace 对象
- Returns:
- trace_id
- """
- ...
- async def get_trace(self, trace_id: str) -> Optional[Trace]:
- """获取 Trace"""
- ...
- async def update_trace(self, trace_id: str, **updates) -> None:
- """
- 更新 Trace
- Args:
- trace_id: Trace ID
- **updates: 要更新的字段
- """
- ...
- async def list_traces(
- self,
- mode: Optional[str] = None,
- agent_type: Optional[str] = None,
- uid: Optional[str] = None,
- status: Optional[str] = None,
- limit: int = 50
- ) -> List[Trace]:
- """列出 Traces"""
- ...
- # ===== GoalTree 操作 =====
- async def get_goal_tree(self, trace_id: str) -> Optional[GoalTree]:
- """
- 获取 GoalTree
- Args:
- trace_id: Trace ID
- Returns:
- GoalTree 对象,如果不存在返回 None
- """
- ...
- async def update_goal_tree(self, trace_id: str, tree: GoalTree) -> None:
- """
- 更新完整 GoalTree
- Args:
- trace_id: Trace ID
- tree: GoalTree 对象
- """
- ...
- async def add_goal(self, trace_id: str, goal: Goal) -> None:
- """
- 添加 Goal 到 GoalTree
- Args:
- trace_id: Trace ID
- goal: Goal 对象
- """
- ...
- async def update_goal(self, trace_id: str, goal_id: str, **updates) -> None:
- """
- 更新 Goal 字段
- Args:
- trace_id: Trace ID
- goal_id: Goal ID
- **updates: 要更新的字段(如 status, summary, self_stats, cumulative_stats)
- """
- ...
- # ===== Message 操作 =====
- async def add_message(self, message: Message) -> str:
- """
- 添加 Message
- 自动更新关联 Goal 的 stats(self_stats 和祖先的 cumulative_stats)
- Args:
- message: Message 对象
- Returns:
- message_id
- """
- ...
- async def get_message(self, message_id: str) -> Optional[Message]:
- """获取 Message"""
- ...
- async def get_trace_messages(
- self,
- trace_id: str,
- include_abandoned: bool = False
- ) -> List[Message]:
- """
- 获取 Trace 的所有 Messages(按 sequence 排序)
- Args:
- trace_id: Trace ID
- include_abandoned: 是否包含已 abandoned 的消息(默认 False,仅返回 active)
- Returns:
- Message 列表
- """
- ...
- async def get_main_path_messages(
- self,
- trace_id: str,
- head_sequence: int
- ) -> List[Message]:
- """
- 获取主路径上的消息(从 head_sequence 沿 parent_sequence 链回溯到 root)
- Args:
- trace_id: Trace ID
- head_sequence: 主路径头节点的 sequence
- Returns:
- 按 sequence 正序排列的主路径 Message 列表
- """
- ...
- async def get_messages_by_goal(
- self,
- trace_id: str,
- goal_id: str
- ) -> List[Message]:
- """
- 获取指定 Goal 关联的所有 Messages
- Args:
- trace_id: Trace ID
- goal_id: Goal ID
- Returns:
- Message 列表
- """
- ...
- async def update_message(self, message_id: str, **updates) -> None:
- """
- 更新 Message 字段(用于状态变更、错误记录等)
- Args:
- message_id: Message ID
- **updates: 要更新的字段
- """
- ...
- async def abandon_messages_after(self, trace_id: str, cutoff_sequence: int) -> List[str]:
- """
- 将 cutoff_sequence 之后的所有 active 消息标记为 abandoned(回溯专用)
- Args:
- trace_id: Trace ID
- cutoff_sequence: 截断点(该 sequence 及之前的消息保留)
- Returns:
- 被标记为 abandoned 的 message_id 列表
- """
- ...
- # ===== 事件流操作(用于 WebSocket 断线续传)=====
- async def get_events(
- self,
- trace_id: str,
- since_event_id: int = 0
- ) -> List[Dict[str, Any]]:
- """
- 获取事件流(用于 WS 断线续传)
- Args:
- trace_id: Trace ID
- since_event_id: 从哪个事件 ID 开始(0 表示全部)
- Returns:
- 事件列表(按 event_id 排序)
- """
- ...
- async def append_event(
- self,
- trace_id: str,
- event_type: str,
- payload: Dict[str, Any]
- ) -> int:
- """
- 追加事件,返回 event_id
- Args:
- trace_id: Trace ID
- event_type: 事件类型
- payload: 事件数据
- Returns:
- event_id: 新事件的 ID
- """
- ...
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