protocols.py 5.5 KB

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  1. """
  2. Trace Storage Protocol - Trace 存储接口定义
  3. 使用 Protocol 定义接口,允许不同的存储实现(内存、PostgreSQL、Neo4j 等)
  4. """
  5. from typing import Protocol, List, Optional, Dict, Any, runtime_checkable
  6. from .models import Trace, Message
  7. from .goal_models import GoalTree, Goal
  8. @runtime_checkable
  9. class TraceStore(Protocol):
  10. """Trace + Message + GoalTree 存储接口"""
  11. # ===== Trace 操作 =====
  12. async def create_trace(self, trace: Trace) -> str:
  13. """
  14. 创建新的 Trace
  15. Args:
  16. trace: Trace 对象
  17. Returns:
  18. trace_id
  19. """
  20. ...
  21. async def get_trace(self, trace_id: str) -> Optional[Trace]:
  22. """获取 Trace"""
  23. ...
  24. async def update_trace(self, trace_id: str, **updates) -> None:
  25. """
  26. 更新 Trace
  27. Args:
  28. trace_id: Trace ID
  29. **updates: 要更新的字段
  30. """
  31. ...
  32. async def list_traces(
  33. self,
  34. mode: Optional[str] = None,
  35. agent_type: Optional[str] = None,
  36. uid: Optional[str] = None,
  37. status: Optional[str] = None,
  38. limit: int = 50,
  39. parent_trace_id: Optional[str] = None,
  40. created_by_tool: Optional[str] = None,
  41. ) -> List[Trace]:
  42. """列出 Traces"""
  43. ...
  44. # ===== GoalTree 操作 =====
  45. async def get_goal_tree(self, trace_id: str) -> Optional[GoalTree]:
  46. """
  47. 获取 GoalTree
  48. Args:
  49. trace_id: Trace ID
  50. Returns:
  51. GoalTree 对象,如果不存在返回 None
  52. """
  53. ...
  54. async def update_goal_tree(self, trace_id: str, tree: GoalTree) -> None:
  55. """
  56. 更新完整 GoalTree
  57. Args:
  58. trace_id: Trace ID
  59. tree: GoalTree 对象
  60. """
  61. ...
  62. async def add_goal(self, trace_id: str, goal: Goal) -> None:
  63. """
  64. 添加 Goal 到 GoalTree
  65. Args:
  66. trace_id: Trace ID
  67. goal: Goal 对象
  68. """
  69. ...
  70. async def update_goal(self, trace_id: str, goal_id: str, **updates) -> None:
  71. """
  72. 更新 Goal 字段
  73. Args:
  74. trace_id: Trace ID
  75. goal_id: Goal ID
  76. **updates: 要更新的字段(如 status, summary, self_stats, cumulative_stats)
  77. """
  78. ...
  79. # ===== Message 操作 =====
  80. async def add_message(self, message: Message) -> str:
  81. """
  82. 添加 Message
  83. 自动更新关联 Goal 的 stats(self_stats 和祖先的 cumulative_stats)
  84. Args:
  85. message: Message 对象
  86. Returns:
  87. message_id
  88. """
  89. ...
  90. async def get_message(self, message_id: str) -> Optional[Message]:
  91. """获取 Message"""
  92. ...
  93. async def get_trace_messages(
  94. self,
  95. trace_id: str,
  96. ) -> List[Message]:
  97. """
  98. 获取 Trace 的所有 Messages(按 sequence 排序)
  99. 返回该 Trace 下所有消息(包含所有分支)。
  100. 如需获取特定主路径的消息,使用 get_main_path_messages()。
  101. Args:
  102. trace_id: Trace ID
  103. Returns:
  104. Message 列表
  105. """
  106. ...
  107. async def get_main_path_messages(
  108. self,
  109. trace_id: str,
  110. head_sequence: int
  111. ) -> List[Message]:
  112. """
  113. 获取主路径上的消息(从 head_sequence 沿 parent_sequence 链回溯到 root)
  114. Args:
  115. trace_id: Trace ID
  116. head_sequence: 主路径头节点的 sequence
  117. Returns:
  118. 按 sequence 正序排列的主路径 Message 列表
  119. """
  120. ...
  121. async def get_messages_by_goal(
  122. self,
  123. trace_id: str,
  124. goal_id: str
  125. ) -> List[Message]:
  126. """
  127. 获取指定 Goal 关联的所有 Messages
  128. Args:
  129. trace_id: Trace ID
  130. goal_id: Goal ID
  131. Returns:
  132. Message 列表
  133. """
  134. ...
  135. async def update_message(self, message_id: str, **updates) -> None:
  136. """
  137. 更新 Message 字段(用于状态变更、错误记录等)
  138. Args:
  139. message_id: Message ID
  140. **updates: 要更新的字段
  141. """
  142. ...
  143. async def abandon_messages_after(self, trace_id: str, cutoff_sequence: int) -> List[str]:
  144. """
  145. 将 cutoff_sequence 之后的所有 active 消息标记为 abandoned(回溯专用)
  146. Args:
  147. trace_id: Trace ID
  148. cutoff_sequence: 截断点(该 sequence 及之前的消息保留)
  149. Returns:
  150. 被标记为 abandoned 的 message_id 列表
  151. """
  152. ...
  153. # ===== 事件流操作(用于 WebSocket 断线续传)=====
  154. async def get_events(
  155. self,
  156. trace_id: str,
  157. since_event_id: int = 0
  158. ) -> List[Dict[str, Any]]:
  159. """
  160. 获取事件流(用于 WS 断线续传)
  161. Args:
  162. trace_id: Trace ID
  163. since_event_id: 从哪个事件 ID 开始(0 表示全部)
  164. Returns:
  165. 事件列表(按 event_id 排序)
  166. """
  167. ...
  168. async def append_event(
  169. self,
  170. trace_id: str,
  171. event_type: str,
  172. payload: Dict[str, Any]
  173. ) -> int:
  174. """
  175. 追加事件,返回 event_id
  176. Args:
  177. trace_id: Trace ID
  178. event_type: 事件类型
  179. payload: 事件数据
  180. Returns:
  181. event_id: 新事件的 ID
  182. """
  183. ...