270 lines
11 KiB
Python
270 lines
11 KiB
Python
"""多 Agent 相关的 Schema 定义"""
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import uuid
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import datetime
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from typing import Optional, List, Dict, Any, Union
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from pydantic import BaseModel, Field, ConfigDict, field_serializer
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from app.schemas import ModelParameters
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# ==================== 子 Agent 配置 ====================
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class SubAgentConfig(BaseModel):
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"""子 Agent 配置"""
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agent_id: uuid.UUID = Field(..., description="Agent ID")
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name: str = Field(..., description="Agent 名称")
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role: Optional[str] = Field(None, description="角色描述")
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priority: int = Field(default=1, ge=1, le=100, description="优先级（1-100）")
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capabilities: List[str] = Field(default_factory=list, description="能力列表")
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class RoutingRule(BaseModel):
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"""路由规则"""
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condition: str = Field(..., description="条件表达式")
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target_agent_id: uuid.UUID = Field(..., description="目标 Agent ID")
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priority: int = Field(default=1, ge=1, le=100, description="优先级")
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class ExecutionConfig(BaseModel):
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"""执行配置"""
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max_iterations: int = Field(default=5, ge=1, le=20, description="最大迭代次数")
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timeout: int = Field(default=60, ge=10, le=300, description="超时时间（秒）")
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parallel_limit: int = Field(default=3, ge=1, le=10, description="并行限制")
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retry_on_failure: bool = Field(default=True, description="失败时是否重试")
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max_retries: int = Field(default=3, ge=0, le=10, description="最大重试次数")
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# 新增：路由模式配置
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routing_mode: str = Field(
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default="master_agent",
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pattern="^(master_agent|llm_router|rule_only)$",
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description="路由模式：master_agent（Master Agent决策）| llm_router（旧LLM路由器）| rule_only（仅规则路由）"
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)
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enable_rule_fast_path: bool = Field(
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default=True,
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description="是否启用规则快速路径（性能优化，高置信度关键词直接返回）"
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)
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# 新增：结果整合模式配置
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result_merge_mode: str = Field(
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default="smart",
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pattern="^(smart|master)$",
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description="结果整合模式：smart（规则去重，快速）| master（Master Agent 智能整合，连贯）"
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)
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# 新增：子 Agent 执行模式配置
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sub_agent_execution_mode: str = Field(
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default="parallel",
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pattern="^(parallel|sequential)$",
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description="子 Agent 执行模式：parallel（并行执行，快速）| sequential（串行执行，节省资源）"
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)
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# ==================== 多 Agent 配置 ====================
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class MultiAgentConfigCreate(BaseModel):
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"""创建多 Agent 配置"""
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master_agent_id: uuid.UUID = Field(..., description="主 Agent ID")
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master_agent_name: Optional[str] = Field(None, max_length=100, description="主 Agent 名称")
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orchestration_mode: str = Field(
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...,
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pattern="^(sequential|parallel|conditional|loop)$",
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description="编排模式：sequential|parallel|conditional|loop"
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)
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sub_agents: List[SubAgentConfig] = Field(..., description="子 Agent 列表")
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routing_rules: Optional[List[RoutingRule]] = Field(None, description="路由规则")
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execution_config: ExecutionConfig = Field(default_factory=ExecutionConfig, description="执行配置")
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aggregation_strategy: str = Field(
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default="merge",
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pattern="^(merge|vote|priority|custom)$",
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description="结果整合策略：merge|vote|priority|custom"
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)
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class MultiAgentConfigUpdate(BaseModel):
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"""更新多 Agent 配置"""
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master_agent_id: Optional[uuid.UUID] = None
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master_agent_name: Optional[str] = Field(None, max_length=100, description="主 Agent 名称")
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default_model_config_id : uuid.UUID = Field(description="默认模型配置ID")
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model_parameters: ModelParameters | None = Field(
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default_factory=ModelParameters,
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description="模型参数配置（temperature、max_tokens 等）"
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)
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orchestration_mode: Optional[str] = Field(
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None,
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pattern="^(sequential|parallel|conditional|loop)$"
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)
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sub_agents: Optional[List[SubAgentConfig]] = None
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routing_rules: Optional[List[RoutingRule]] = None
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execution_config: Optional[ExecutionConfig] = None
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aggregation_strategy: Optional[str] = Field(
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None,
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pattern="^(merge|vote|priority|custom)$"
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)
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is_active: Optional[bool] = None
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class MultiAgentConfigSchema(BaseModel):
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"""多 Agent 配置输出"""
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model_config = ConfigDict(from_attributes=True)
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id: uuid.UUID
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app_id: uuid.UUID
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master_agent_id: uuid.UUID | None
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master_agent_name: Optional[str]
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default_model_config_id : uuid.UUID | None = Field(description="默认模型配置ID")
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model_parameters: ModelParameters | None = Field(
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default_factory=ModelParameters,
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description="模型参数配置（temperature、max_tokens 等）"
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)
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orchestration_mode: str
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sub_agents: List[Dict[str, Any]]
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routing_rules: Optional[List[Dict[str, Any]]]
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execution_config: Dict[str, Any]
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aggregation_strategy: str
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is_active: bool
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created_at: datetime.datetime
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updated_at: datetime.datetime
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@field_serializer("created_at", when_used="json")
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def _serialize_created_at(self, dt: datetime.datetime):
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return int(dt.timestamp() * 1000) if dt else None
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@field_serializer("updated_at", when_used="json")
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def _serialize_updated_at(self, dt: datetime.datetime):
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return int(dt.timestamp() * 1000) if dt else None
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# ==================== 多 Agent 运行 ====================
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class MultiAgentRunRequest(BaseModel):
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"""多 Agent 运行请求"""
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message: str = Field(..., description="用户消息")
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conversation_id: Optional[uuid.UUID] = Field(None, description="会话 ID")
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user_id: Optional[str] = Field(None, description="用户 ID")
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variables: Optional[Dict[str, Any]] = Field(None, description="变量参数")
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use_llm_routing: bool = Field(default=True, description="是否启用 LLM 路由（默认启用）")
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stream: bool = Field(default=False, description="是否流式返回")
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web_search: bool = Field(default=False, description="是否启用网络搜索")
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memory: bool = Field(default=True, description="是否启用记忆功能")
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class SubAgentResult(BaseModel):
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"""子 Agent 执行结果"""
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agent_id: str
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agent_name: str
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result: Optional[Dict[str, Any]] = None
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error: Optional[str] = None
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elapsed_time: Optional[float] = None
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class MultiAgentRunResponse(BaseModel):
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"""多 Agent 运行响应"""
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message: str = Field(..., description="最终结果")
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conversation_id: Optional[uuid.UUID] = Field(None, description="会话 ID")
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elapsed_time: float = Field(..., description="总耗时（秒）")
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mode: str = Field(..., description="执行模式")
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sub_results: Union[List[Dict[str, Any]], Dict[str, Any]] = Field(..., description="子 Agent 结果")
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usage: Optional[Dict[str, Any]] = Field(None, description="资源使用情况")
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# ==================== 智能路由测试 ====================
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class RoutingTestRequest(BaseModel):
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"""路由测试请求"""
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message: str = Field(..., description="测试消息")
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conversation_id: Optional[uuid.UUID] = Field(None, description="会话 ID（可选）")
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routing_model_id: Optional[uuid.UUID] = Field(None, description="路由模型 ID（用于 LLM 路由）")
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use_llm: bool = Field(default=False, description="是否启用 LLM 路由")
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keyword_threshold: Optional[float] = Field(
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default=0.8,
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ge=0.0,
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le=1.0,
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description="关键词置信度阈值（0-1）"
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)
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force_new: bool = Field(default=False, description="是否强制重新路由")
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class RoutingTestCase(BaseModel):
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"""路由测试用例"""
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message: str = Field(..., description="测试消息")
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expected_agent_id: Optional[uuid.UUID] = Field(None, description="期望的 Agent ID")
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description: Optional[str] = Field(None, description="测试用例描述")
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class BatchRoutingTestRequest(BaseModel):
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"""批量路由测试请求"""
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test_cases: List[RoutingTestCase] = Field(..., description="测试用例列表")
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routing_model_id: Optional[uuid.UUID] = Field(None, description="路由模型 ID")
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use_llm: bool = Field(default=False, description="是否启用 LLM 路由")
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keyword_threshold: Optional[float] = Field(
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default=0.8,
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ge=0.0,
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le=1.0,
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description="关键词置信度阈值"
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)
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# ==================== Agent Handoffs ====================
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class HandoffHistoryItem(BaseModel):
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"""Handoff 历史记录项"""
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from_agent: str = Field(..., description="源 Agent ID")
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to_agent: str = Field(..., description="目标 Agent ID")
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reason: str = Field(..., description="切换原因")
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timestamp: Optional[str] = Field(None, description="切换时间")
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user_message: Optional[str] = Field(None, description="触发切换的用户消息")
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context_summary: Optional[str] = Field(None, description="上下文摘要")
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class HandoffChatResponse(BaseModel):
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"""Handoff 聊天响应"""
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message: str = Field(..., description="最终回复")
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conversation_id: str = Field(..., description="会话 ID")
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final_agent_id: str = Field(..., description="最终处理的 Agent ID")
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handoff_count: int = Field(..., description="切换次数")
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handoff_history: List[HandoffHistoryItem] = Field(
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default_factory=list,
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description="切换历史"
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)
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elapsed_time: float = Field(..., description="总耗时（秒）")
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usage: Optional[Dict[str, Any]] = Field(None, description="资源使用情况")
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error: Optional[str] = Field(None, description="错误信息")
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class HandoffStateResponse(BaseModel):
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"""Handoff 状态响应"""
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conversation_id: str = Field(..., description="会话 ID")
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current_agent_id: str = Field(..., description="当前活跃的 Agent ID")
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handoff_count: int = Field(..., description="总切换次数")
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handoff_history: List[HandoffHistoryItem] = Field(
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default_factory=list,
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description="切换历史"
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)
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created_at: str = Field(..., description="创建时间")
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updated_at: str = Field(..., description="更新时间")
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class HandoffToolInfo(BaseModel):
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"""Handoff 工具信息"""
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name: str = Field(..., description="工具名称")
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target_agent_id: str = Field(..., description="目标 Agent ID")
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target_agent_name: str = Field(..., description="目标 Agent 名称")
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description: str = Field(..., description="工具描述")
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class HandoffRoutingTestResponse(BaseModel):
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"""Handoff 路由测试响应"""
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message: str = Field(..., description="测试消息")
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initial_agent_id: str = Field(..., description="初始 Agent ID")
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initial_agent_name: str = Field(..., description="初始 Agent 名称")
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available_handoff_tools: List[HandoffToolInfo] = Field(
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default_factory=list,
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description="可用的 handoff 工具"
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)
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handoff_suggestion: Optional[Dict[str, Any]] = Field(
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None,
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description="自动切换建议"
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)
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total_agents: int = Field(..., description="总 Agent 数量")
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