"""
Agent 事件定义
"""

from dataclasses import dataclass
from typing import Dict, Any, Literal


AgentEventType = Literal[
    # Trace 生命周期
    "trace_started",        # Trace 开始
    "trace_completed",      # Trace 完成
    "trace_failed",         # Trace 失败

    # 记忆
    "memory_loaded",        # 记忆加载完成（skills, experiences）
    "experience_extracted", # 提取了经验

    # 步骤
    "step_started",         # 步骤开始
    "llm_delta",            # LLM 输出增量
    "llm_call_completed",   # LLM 调用完成
    "tool_executing",       # 工具执行中
    "tool_result",          # 工具结果
    "conclusion",           # 结论（中间或最终）

    # 反馈
    "feedback_received",    # 收到人工反馈

    # 等待用户
    "awaiting_user_action", # 等待用户确认（工具调用）
]


@dataclass
class AgentEvent:
    """Agent 事件"""
    type: AgentEventType
    data: Dict[str, Any]

    def to_dict(self) -> Dict[str, Any]:
        return {"type": self.type, "data": self.data}

    def __repr__(self) -> str:
        return f"AgentEvent(type={self.type!r}, data={self.data!r})"