760 lines
28 KiB
Python
760 lines
28 KiB
Python
"""Department-level LLM agents coordinating multi-model decisions."""
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from __future__ import annotations
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import hashlib
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import json
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from dataclasses import dataclass, field
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from typing import Any, Callable, ClassVar, Dict, List, Mapping, Optional, Sequence, Tuple
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from app.agents.base import AgentAction
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from app.llm.client import (
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call_endpoint_with_messages,
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resolve_endpoint,
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run_llm_with_config,
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LLMError,
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)
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from app.llm.prompts import department_prompt
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from app.utils.config import AppConfig, DepartmentSettings, LLMConfig
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from app.utils.logging import get_logger, get_conversation_logger
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from app.utils.data_access import DataBroker
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LOGGER = get_logger(__name__)
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LOG_EXTRA = {"stage": "department"}
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CONV_LOGGER = get_conversation_logger()
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@dataclass
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class TableRequest:
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name: str
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window: int = 1
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trade_date: Optional[str] = None
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@dataclass
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class DepartmentContext:
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"""Structured data fed into a department for decision making."""
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ts_code: str
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trade_date: str
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features: Mapping[str, Any] = field(default_factory=dict)
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market_snapshot: Mapping[str, Any] = field(default_factory=dict)
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raw: Mapping[str, Any] = field(default_factory=dict)
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@dataclass
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class DepartmentDecision:
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"""Result produced by a department agent."""
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department: str
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action: AgentAction
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confidence: float
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summary: str
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raw_response: str
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signals: List[str] = field(default_factory=list)
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risks: List[str] = field(default_factory=list)
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supplements: List[Dict[str, Any]] = field(default_factory=list)
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dialogue: List[str] = field(default_factory=list)
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telemetry: Dict[str, Any] = field(default_factory=dict)
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def to_dict(self) -> Dict[str, Any]:
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return {
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"department": self.department,
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"action": self.action.value,
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"confidence": self.confidence,
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"summary": self.summary,
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"signals": self.signals,
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"risks": self.risks,
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"raw_response": self.raw_response,
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"supplements": self.supplements,
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"dialogue": self.dialogue,
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"telemetry": self.telemetry,
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}
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class DepartmentAgent:
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"""Wraps LLM ensemble logic for a single analytical department."""
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ALLOWED_TABLES: ClassVar[List[str]] = [
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"daily",
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"daily_basic",
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"stk_limit",
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"suspend",
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"heat_daily",
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"news",
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"index_daily",
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]
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def __init__(
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self,
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settings: DepartmentSettings,
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resolver: Optional[Callable[[DepartmentSettings], LLMConfig]] = None,
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) -> None:
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self.settings = settings
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self._resolver = resolver
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self._broker = DataBroker()
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self._max_rounds = 3
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def _get_llm_config(self) -> LLMConfig:
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if self._resolver:
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return self._resolver(self.settings)
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return self.settings.llm
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def analyze(self, context: DepartmentContext) -> DepartmentDecision:
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mutable_context = _ensure_mutable_context(context)
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system_prompt = (
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"你是一个多智能体量化投研系统中的分部决策者，需要根据提供的结构化信息给出买卖意见。"
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)
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llm_cfg = self._get_llm_config()
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if llm_cfg.strategy not in (None, "", "single") or llm_cfg.ensemble:
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LOGGER.warning(
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"部门 %s 当前配置不支持函数调用模式，回退至传统提示",
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self.settings.code,
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extra=LOG_EXTRA,
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)
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return self._analyze_legacy(mutable_context, system_prompt)
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tools = self._build_tools()
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messages: List[Dict[str, object]] = []
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if system_prompt:
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messages.append({"role": "system", "content": system_prompt})
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prompt_body = department_prompt(self.settings, mutable_context)
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prompt_checksum = hashlib.sha1(prompt_body.encode("utf-8")).hexdigest()
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prompt_preview = prompt_body[:240]
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messages.append({"role": "user", "content": prompt_body})
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transcript: List[str] = []
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delivered_requests: set[Tuple[str, int, str]] = set()
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primary_endpoint = llm_cfg.primary
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try:
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resolved_primary = resolve_endpoint(primary_endpoint)
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except LLMError as exc:
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LOGGER.warning(
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"部门 %s 无法解析 LLM 端点，回退传统提示：%s",
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self.settings.code,
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exc,
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extra=LOG_EXTRA,
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)
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return self._analyze_legacy(mutable_context, system_prompt)
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final_message: Optional[Dict[str, Any]] = None
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usage_records: List[Dict[str, Any]] = []
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tool_call_records: List[Dict[str, Any]] = []
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rounds_executed = 0
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CONV_LOGGER.info(
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"dept=%s ts_code=%s trade_date=%s start",
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self.settings.code,
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context.ts_code,
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context.trade_date,
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)
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for round_idx in range(self._max_rounds):
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try:
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response = call_endpoint_with_messages(
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primary_endpoint,
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messages,
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tools=tools,
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tool_choice="auto",
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)
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except LLMError as exc:
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LOGGER.warning(
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"部门 %s 函数调用失败，回退传统提示：%s",
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self.settings.code,
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exc,
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extra=LOG_EXTRA,
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)
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return self._analyze_legacy(mutable_context, system_prompt)
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rounds_executed = round_idx + 1
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usage = response.get("usage") if isinstance(response, Mapping) else None
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if isinstance(usage, Mapping):
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usage_payload = {"round": round_idx + 1}
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usage_payload.update(dict(usage))
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usage_records.append(usage_payload)
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choice = (response.get("choices") or [{}])[0]
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message = choice.get("message", {})
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transcript.append(_message_to_text(message))
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assistant_record: Dict[str, Any] = {
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"role": "assistant",
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"content": _extract_message_content(message),
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}
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if message.get("tool_calls"):
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assistant_record["tool_calls"] = message.get("tool_calls")
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messages.append(assistant_record)
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CONV_LOGGER.info(
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"dept=%s round=%s assistant=%s",
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self.settings.code,
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round_idx + 1,
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assistant_record,
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)
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tool_calls = message.get("tool_calls") or []
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if tool_calls:
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for call in tool_calls:
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function_block = call.get("function") or {}
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tool_response, delivered = self._handle_tool_call(
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mutable_context,
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call,
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delivered_requests,
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round_idx,
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)
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tables_summary: List[Dict[str, Any]] = []
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for item in tool_response.get("results") or []:
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if isinstance(item, Mapping):
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tables_summary.append(
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{
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"table": item.get("table"),
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"window": item.get("window"),
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"trade_date": item.get("trade_date"),
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"row_count": len(item.get("rows") or []),
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}
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)
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tool_call_records.append(
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{
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"round": round_idx + 1,
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"id": call.get("id"),
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"name": function_block.get("name"),
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"arguments": function_block.get("arguments"),
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"status": tool_response.get("status"),
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"results": len(tool_response.get("results") or []),
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"tables": tables_summary,
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"skipped": list(tool_response.get("skipped") or []),
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}
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)
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transcript.append(
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json.dumps({"tool_response": tool_response}, ensure_ascii=False)
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)
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messages.append(
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{
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"role": "tool",
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"tool_call_id": call.get("id"),
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"content": json.dumps(tool_response, ensure_ascii=False),
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}
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)
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delivered_requests.update(delivered)
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CONV_LOGGER.info(
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"dept=%s round=%s tool_call=%s response=%s",
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self.settings.code,
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round_idx + 1,
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call,
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tool_response,
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)
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continue
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final_message = message
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break
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if final_message is None:
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LOGGER.warning(
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"部门 %s 函数调用达到轮次上限仍未返回文本，使用最后一次消息",
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self.settings.code,
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extra=LOG_EXTRA,
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)
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final_message = message
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CONV_LOGGER.warning(
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"dept=%s rounds_exhausted last_message=%s",
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self.settings.code,
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final_message,
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)
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mutable_context.raw["supplement_transcript"] = list(transcript)
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content_text = _extract_message_content(final_message)
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decision_data = _parse_department_response(content_text)
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action = _normalize_action(decision_data.get("action"))
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confidence = _clamp_float(decision_data.get("confidence"), default=0.5)
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summary = decision_data.get("summary") or decision_data.get("reason") or ""
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signals = decision_data.get("signals") or decision_data.get("rationale") or []
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if isinstance(signals, str):
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signals = [signals]
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risks = decision_data.get("risks") or decision_data.get("warnings") or []
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if isinstance(risks, str):
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risks = [risks]
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def _safe_int(value: Any) -> int:
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try:
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return int(value)
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except (TypeError, ValueError): # noqa: PERF203 - clarity
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return 0
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prompt_tokens_total = 0
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completion_tokens_total = 0
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total_tokens_reported = 0
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for usage_payload in usage_records:
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prompt_tokens_total += _safe_int(
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usage_payload.get("prompt_tokens")
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or usage_payload.get("prompt_tokens_total")
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)
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completion_tokens_total += _safe_int(
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usage_payload.get("completion_tokens")
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or usage_payload.get("completion_tokens_total")
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)
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reported_total = _safe_int(
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usage_payload.get("total_tokens")
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or usage_payload.get("total_tokens_total")
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)
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if reported_total:
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total_tokens_reported += reported_total
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total_tokens = (
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total_tokens_reported
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if total_tokens_reported
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else prompt_tokens_total + completion_tokens_total
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)
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telemetry: Dict[str, Any] = {
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"provider": resolved_primary.get("provider_key"),
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"model": resolved_primary.get("model"),
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"temperature": resolved_primary.get("temperature"),
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"timeout": resolved_primary.get("timeout"),
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"endpoint_prompt_template": resolved_primary.get("prompt_template"),
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"rounds": rounds_executed,
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"tool_call_count": len(tool_call_records),
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"tool_trace": tool_call_records,
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"usage_by_round": usage_records,
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"tokens": {
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"prompt": prompt_tokens_total,
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"completion": completion_tokens_total,
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"total": total_tokens,
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},
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"prompt": {
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"checksum": prompt_checksum,
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"length": len(prompt_body),
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"preview": prompt_preview,
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"role_description": self.settings.description,
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"instruction": self.settings.prompt,
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"system": system_prompt,
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},
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"messages_exchanged": len(messages),
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"supplement_rounds": len(tool_call_records),
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}
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decision = DepartmentDecision(
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department=self.settings.code,
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action=action,
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confidence=confidence,
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summary=summary or "未提供摘要",
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signals=[str(sig) for sig in signals if sig],
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risks=[str(risk) for risk in risks if risk],
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raw_response=content_text,
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supplements=list(mutable_context.raw.get("supplement_data", [])),
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dialogue=list(transcript),
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telemetry=telemetry,
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)
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LOGGER.debug(
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"部门 %s 决策：action=%s confidence=%.2f",
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self.settings.code,
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decision.action.value,
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decision.confidence,
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extra=LOG_EXTRA,
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)
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CONV_LOGGER.info(
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"dept=%s decision action=%s confidence=%.2f summary=%s",
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self.settings.code,
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decision.action.value,
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decision.confidence,
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summary or "",
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)
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CONV_LOGGER.info(
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"dept=%s telemetry=%s",
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self.settings.code,
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json.dumps(telemetry, ensure_ascii=False),
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)
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return decision
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@staticmethod
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def _normalize_trade_date(value: str) -> str:
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if not isinstance(value, str):
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return str(value)
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return value.replace("-", "")
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def _fulfill_data_requests(
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self,
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context: DepartmentContext,
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requests: Sequence[TableRequest],
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) -> Tuple[List[str], List[Dict[str, Any]], set[Tuple[str, int, str]]]:
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lines: List[str] = []
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payload: List[Dict[str, Any]] = []
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delivered: set[Tuple[str, int, str]] = set()
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ts_code = context.ts_code
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default_trade_date = self._normalize_trade_date(context.trade_date)
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for req in requests:
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table = (req.name or "").strip().lower()
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if not table:
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continue
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if table not in self.ALLOWED_TABLES:
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lines.append(f"- {table}: 不在允许的表列表中")
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continue
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trade_date = self._normalize_trade_date(req.trade_date or default_trade_date)
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window = max(1, min(req.window or 1, getattr(self._broker, "MAX_WINDOW", 120)))
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key = (table, window, trade_date)
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if key in delivered:
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lines.append(f"- {table}: 已返回窗口 {window} 的数据，跳过重复请求")
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continue
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rows = self._broker.fetch_table_rows(
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table,
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ts_code,
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trade_date,
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window,
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auto_refresh=False # 避免在回测过程中触发自动补数
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)
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if rows:
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preview = ", ".join(
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f"{row.get('trade_date', 'NA')}" for row in rows[: min(len(rows), 5)]
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)
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lines.append(
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f"- {table} (window={window} trade_date<= {trade_date}): 返回 {len(rows)} 行 {preview}"
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)
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else:
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lines.append(
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f"- {table} (window={window} trade_date<= {trade_date}): (数据缺失)"
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)
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payload.append(
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{
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"table": table,
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"window": window,
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"trade_date": trade_date,
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"rows": rows,
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}
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)
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delivered.add(key)
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return lines, payload, delivered
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def _handle_tool_call(
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self,
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context: DepartmentContext,
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call: Mapping[str, Any],
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delivered_requests: set[Tuple[str, int, str]],
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round_idx: int,
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) -> Tuple[Dict[str, Any], set[Tuple[str, int, str]]]:
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function_block = call.get("function") or {}
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name = function_block.get("name") or ""
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if name != "fetch_data":
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LOGGER.warning(
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"部门 %s 收到未知工具调用：%s",
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self.settings.code,
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name,
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extra=LOG_EXTRA,
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)
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return {
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"status": "error",
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"message": f"未知工具 {name}",
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}, set()
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args = _parse_tool_arguments(function_block.get("arguments"))
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base_trade_date = self._normalize_trade_date(
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args.get("trade_date") or context.trade_date
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)
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raw_requests = args.get("tables") or []
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requests: List[TableRequest] = []
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skipped: List[str] = []
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for item in raw_requests:
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name = str(item.get("name", "")).strip().lower()
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if not name:
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continue
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window_raw = item.get("window")
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try:
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window = int(window_raw) if window_raw is not None else 1
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except (TypeError, ValueError):
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window = 1
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window = max(1, min(window, getattr(self._broker, "MAX_WINDOW", 120)))
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override_date = item.get("trade_date")
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req_date = self._normalize_trade_date(override_date or base_trade_date)
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key = (name, window, req_date)
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if key in delivered_requests:
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skipped.append(name)
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continue
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requests.append(TableRequest(name=name, window=window, trade_date=req_date))
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if not requests:
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return {
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"status": "ok",
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"round": round_idx + 1,
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"results": [],
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"skipped": skipped,
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}, set()
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lines, payload, delivered = self._fulfill_data_requests(context, requests)
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if payload:
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context.raw.setdefault("supplement_data", []).extend(payload)
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context.raw.setdefault("supplement_rounds", []).append(
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{
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"round": round_idx + 1,
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"requests": [req.__dict__ for req in requests],
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"data": payload,
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"notes": lines,
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}
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)
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if lines:
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context.raw.setdefault("supplement_notes", []).append(
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{
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"round": round_idx + 1,
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"lines": lines,
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}
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)
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response_payload = {
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"status": "ok",
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"round": round_idx + 1,
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"results": payload,
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"notes": lines,
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"skipped": skipped,
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}
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return response_payload, delivered
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def _build_tools(self) -> List[Dict[str, Any]]:
|
||
max_window = getattr(self._broker, "MAX_WINDOW", 120)
|
||
return [
|
||
{
|
||
"type": "function",
|
||
"function": {
|
||
"name": "fetch_data",
|
||
"description": (
|
||
"根据表名请求指定交易日及窗口的历史数据。当前仅支持 'daily' 与 'daily_basic' 表。"
|
||
),
|
||
"parameters": {
|
||
"type": "object",
|
||
"properties": {
|
||
"tables": {
|
||
"type": "array",
|
||
"items": {
|
||
"type": "object",
|
||
"properties": {
|
||
"name": {
|
||
"type": "string",
|
||
"enum": self.ALLOWED_TABLES,
|
||
"description": "表名，例如 daily 或 daily_basic",
|
||
},
|
||
"window": {
|
||
"type": "integer",
|
||
"minimum": 1,
|
||
"maximum": max_window,
|
||
"description": "向前回溯的记录条数，默认为 1",
|
||
},
|
||
"trade_date": {
|
||
"type": "string",
|
||
"pattern": r"^\\d{8}$",
|
||
"description": "覆盖默认交易日（格式 YYYYMMDD）",
|
||
},
|
||
},
|
||
"required": ["name"],
|
||
},
|
||
"minItems": 1,
|
||
},
|
||
"trade_date": {
|
||
"type": "string",
|
||
"pattern": r"^\\d{8}$",
|
||
"description": "默认交易日（格式 YYYYMMDD）",
|
||
},
|
||
},
|
||
"required": ["tables"],
|
||
},
|
||
},
|
||
}
|
||
]
|
||
|
||
def _analyze_legacy(
|
||
self,
|
||
context: DepartmentContext,
|
||
system_prompt: str,
|
||
) -> DepartmentDecision:
|
||
prompt = department_prompt(self.settings, context)
|
||
llm_cfg = self._get_llm_config()
|
||
try:
|
||
response = run_llm_with_config(llm_cfg, prompt, system=system_prompt)
|
||
except Exception as exc: # noqa: BLE001
|
||
LOGGER.exception(
|
||
"部门 %s 调用 LLM 失败：%s",
|
||
self.settings.code,
|
||
exc,
|
||
extra=LOG_EXTRA,
|
||
)
|
||
CONV_LOGGER.error(
|
||
"dept=%s legacy_call_failed err=%s",
|
||
self.settings.code,
|
||
exc,
|
||
)
|
||
return DepartmentDecision(
|
||
department=self.settings.code,
|
||
action=AgentAction.HOLD,
|
||
confidence=0.0,
|
||
summary=f"LLM 调用失败：{exc}",
|
||
raw_response=str(exc),
|
||
)
|
||
|
||
context.raw["supplement_transcript"] = [response]
|
||
CONV_LOGGER.info("dept=%s legacy_response=%s", self.settings.code, response)
|
||
decision_data = _parse_department_response(response)
|
||
action = _normalize_action(decision_data.get("action"))
|
||
confidence = _clamp_float(decision_data.get("confidence"), default=0.5)
|
||
summary = decision_data.get("summary") or decision_data.get("reason") or ""
|
||
signals = decision_data.get("signals") or decision_data.get("rationale") or []
|
||
if isinstance(signals, str):
|
||
signals = [signals]
|
||
risks = decision_data.get("risks") or decision_data.get("warnings") or []
|
||
if isinstance(risks, str):
|
||
risks = [risks]
|
||
|
||
decision = DepartmentDecision(
|
||
department=self.settings.code,
|
||
action=action,
|
||
confidence=confidence,
|
||
summary=summary or "未提供摘要",
|
||
signals=[str(sig) for sig in signals if sig],
|
||
risks=[str(risk) for risk in risks if risk],
|
||
raw_response=response,
|
||
supplements=list(context.raw.get("supplement_data", [])),
|
||
dialogue=[response],
|
||
)
|
||
return decision
|
||
def _ensure_mutable_context(context: DepartmentContext) -> DepartmentContext:
|
||
if not isinstance(context.features, dict):
|
||
context.features = dict(context.features or {})
|
||
if not isinstance(context.market_snapshot, dict):
|
||
context.market_snapshot = dict(context.market_snapshot or {})
|
||
raw = dict(context.raw or {})
|
||
scope_values = raw.get("scope_values")
|
||
if scope_values is not None and not isinstance(scope_values, dict):
|
||
raw["scope_values"] = dict(scope_values)
|
||
context.raw = raw
|
||
return context
|
||
|
||
|
||
def _parse_tool_arguments(payload: Any) -> Dict[str, Any]:
|
||
if isinstance(payload, dict):
|
||
return dict(payload)
|
||
if isinstance(payload, str):
|
||
try:
|
||
data = json.loads(payload)
|
||
except json.JSONDecodeError:
|
||
LOGGER.debug("工具参数解析失败：%s", payload, extra=LOG_EXTRA)
|
||
return {}
|
||
if isinstance(data, dict):
|
||
return data
|
||
return {}
|
||
|
||
|
||
def _message_to_text(message: Mapping[str, Any]) -> str:
|
||
content = message.get("content")
|
||
if isinstance(content, list):
|
||
parts: List[str] = []
|
||
for item in content:
|
||
if isinstance(item, Mapping) and "text" in item:
|
||
parts.append(str(item.get("text", "")))
|
||
else:
|
||
parts.append(str(item))
|
||
if parts:
|
||
return "".join(parts)
|
||
elif isinstance(content, str) and content.strip():
|
||
return content
|
||
tool_calls = message.get("tool_calls")
|
||
if tool_calls:
|
||
return json.dumps({"tool_calls": tool_calls}, ensure_ascii=False)
|
||
return ""
|
||
|
||
|
||
def _extract_message_content(message: Mapping[str, Any]) -> str:
|
||
content = message.get("content")
|
||
if isinstance(content, list):
|
||
texts = [
|
||
str(item.get("text", ""))
|
||
for item in content
|
||
if isinstance(item, Mapping) and "text" in item
|
||
]
|
||
if texts:
|
||
return "".join(texts)
|
||
if isinstance(content, str):
|
||
return content
|
||
return json.dumps(message, ensure_ascii=False)
|
||
|
||
|
||
|
||
|
||
class DepartmentManager:
|
||
"""Orchestrates all departments defined in configuration."""
|
||
|
||
def __init__(self, config: AppConfig) -> None:
|
||
self.config = config
|
||
self.agents: Dict[str, DepartmentAgent] = {
|
||
code: DepartmentAgent(settings, self._resolve_llm)
|
||
for code, settings in config.departments.items()
|
||
}
|
||
|
||
def evaluate(self, context: DepartmentContext) -> Dict[str, DepartmentDecision]:
|
||
results: Dict[str, DepartmentDecision] = {}
|
||
for code, agent in self.agents.items():
|
||
raw_base = dict(context.raw or {})
|
||
if "scope_values" in raw_base:
|
||
raw_base["scope_values"] = dict(raw_base.get("scope_values") or {})
|
||
dept_context = DepartmentContext(
|
||
ts_code=context.ts_code,
|
||
trade_date=context.trade_date,
|
||
features=dict(context.features or {}),
|
||
market_snapshot=dict(context.market_snapshot or {}),
|
||
raw=raw_base,
|
||
)
|
||
results[code] = agent.analyze(dept_context)
|
||
return results
|
||
|
||
def _resolve_llm(self, settings: DepartmentSettings) -> LLMConfig:
|
||
return settings.llm
|
||
|
||
|
||
def _parse_department_response(text: str) -> Dict[str, Any]:
|
||
"""Extract a JSON object from the LLM response if possible."""
|
||
|
||
cleaned = text.strip()
|
||
candidate = None
|
||
if cleaned.startswith("{") and cleaned.endswith("}"):
|
||
candidate = cleaned
|
||
else:
|
||
start = cleaned.find("{")
|
||
end = cleaned.rfind("}")
|
||
if start != -1 and end != -1 and end > start:
|
||
candidate = cleaned[start : end + 1]
|
||
if candidate:
|
||
try:
|
||
return json.loads(candidate)
|
||
except json.JSONDecodeError:
|
||
LOGGER.debug("部门响应 JSON 解析失败，返回原始文本", extra=LOG_EXTRA)
|
||
return {"summary": cleaned}
|
||
|
||
|
||
def _normalize_action(value: Any) -> AgentAction:
|
||
if isinstance(value, str):
|
||
upper = value.strip().upper()
|
||
mapping = {
|
||
"BUY": AgentAction.BUY_M,
|
||
"BUY_S": AgentAction.BUY_S,
|
||
"BUY_M": AgentAction.BUY_M,
|
||
"BUY_L": AgentAction.BUY_L,
|
||
"SELL": AgentAction.SELL,
|
||
"HOLD": AgentAction.HOLD,
|
||
}
|
||
if upper in mapping:
|
||
return mapping[upper]
|
||
if "SELL" in upper:
|
||
return AgentAction.SELL
|
||
if "BUY" in upper:
|
||
return AgentAction.BUY_M
|
||
return AgentAction.HOLD
|
||
|
||
|
||
def _clamp_float(value: Any, default: float = 0.5) -> float:
|
||
try:
|
||
num = float(value)
|
||
except (TypeError, ValueError):
|
||
return default
|
||
return max(0.0, min(1.0, num))
|