Files
aiagent/backend/app/agent_runtime/schemas.py
renjianbo e3802eff60 feat: 实现 Agent 自主学习 — 从历史执行中优化工具选择
- 新增 AgentLearningPattern 模型和 agent_learning_service 服务
- 执行前注入历史学习模式到 system prompt 作为工具选择建议
- 执行后自动提取工具序列并保存/累计学习模式
- 支持任务分类(11类)、关键词提取、工具序列合并、有效性评分
- 集成到 AgentRuntime.run()/run_stream(),支持 bare chat 和 Agent 模式

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-02 12:04:00 +08:00

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"""
Agent Runtime 配置与数据结构 Schema
"""
from __future__ import annotations
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Field
class AgentToolConfig(BaseModel):
"""Agent 可用工具配置"""
# 若为空列表则使用全部已注册工具
include_tools: List[str] = Field(default_factory=list, description="允许的工具名称白名单")
exclude_tools: List[str] = Field(default_factory=list, description="排除的工具名称黑名单")
class AgentMemoryConfig(BaseModel):
"""Agent 记忆配置"""
enabled: bool = True
max_history_messages: int = 20 # 注入 LLM 的上文最大消息数
session_key: Optional[str] = None # 会话标识,默认自动生成
persist_to_db: bool = True # 是否写入 MySQL 长期记忆
vector_memory_enabled: bool = True # 是否启用向量记忆(语义检索)
vector_memory_top_k: int = 5 # 向量检索 Top-K
learning_enabled: bool = True # 是否启用自主学习(工具模式学习)
class AgentLLMConfig(BaseModel):
"""Agent 模型配置"""
provider: str = "openai" # openai / deepseek
model: str = "gpt-4o-mini"
temperature: float = 0.7
max_tokens: Optional[int] = None
api_key: Optional[str] = None
base_url: Optional[str] = None
max_iterations: int = 10 # ReAct 循环最大步数
request_timeout: float = 120.0
extra_body: Optional[Dict[str, Any]] = None
class AgentBudgetConfig(BaseModel):
"""Agent 执行预算配置"""
max_llm_invocations: int = 200 # LLM 调用次数上限
max_tool_calls: int = 500 # 工具调用次数上限
class AgentConfig(BaseModel):
"""Agent 完整配置"""
name: str = "default_agent"
system_prompt: str = "你是一个有用的AI助手。请使用可用工具来帮助用户完成任务。"
llm: AgentLLMConfig = Field(default_factory=AgentLLMConfig)
tools: AgentToolConfig = Field(default_factory=AgentToolConfig)
memory: AgentMemoryConfig = Field(default_factory=AgentMemoryConfig)
budget: AgentBudgetConfig = Field(default_factory=AgentBudgetConfig)
user_id: Optional[str] = None
# 持久记忆 / 向量记忆的 scope_id不设时沿用 user_id 或 name易与其他 Agent 串记忆)
memory_scope_id: Optional[str] = None
class AgentMessage(BaseModel):
"""Agent 对话消息"""
role: str # user / assistant / tool
content: str
tool_calls: Optional[List[Dict[str, Any]]] = None
tool_call_id: Optional[str] = None
name: Optional[str] = None
class AgentStep(BaseModel):
"""Agent 单步执行记录(用于执行追踪)"""
iteration: int = Field(..., description="第几步")
type: str = Field(..., description="步骤类型: think / tool_call / tool_result / final")
content: str = Field(default="", description="步骤内容")
tool_name: Optional[str] = Field(default=None, description="工具名称tool_call/tool_result 类型时)")
tool_input: Optional[Dict[str, Any]] = Field(default=None, description="工具输入参数")
tool_result: Optional[str] = Field(default=None, description="工具执行结果")
reasoning: Optional[str] = Field(default=None, description="思考过程")
class AgentResult(BaseModel):
"""Agent 执行结果"""
success: bool = True
content: str = ""
truncated: bool = False
iterations_used: int = 0
tool_calls_made: int = 0
error: Optional[str] = None
steps: List[AgentStep] = Field(default_factory=list, description="执行追踪步骤详情")