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fix(llm_runner): use stored direction/confidence on cache hit, sanitize ticker path

This commit is contained in:
陈少杰 2026-04-09 22:03:17 +08:00
parent 852b6c98e3
commit ba3297a696
1 changed files with 5 additions and 4 deletions
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9
orchestrator/llm_runner.py
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@ -26,17 +26,18 @@ class LLMRunner:
def get_signal(self, ticker: str, date: str) -> Signal: def get_signal(self, ticker: str, date: str) -> Signal:
"""获取指定股票在指定日期的 LLM 信号，带缓存。""" """获取指定股票在指定日期的 LLM 信号，带缓存。"""
cache_path = os.path.join(self.cache_dir, f"{ticker}_{date}.json") safe_ticker = ticker.replace("/", "_") # sanitize for filesystem (e.g. BRK/B)
cache_path = os.path.join(self.cache_dir, f"{safe_ticker}_{date}.json")
if os.path.exists(cache_path): if os.path.exists(cache_path):
logger.info("LLMRunner: cache hit for %s %s", ticker, date) logger.info("LLMRunner: cache hit for %s %s", ticker, date)
with open(cache_path, "r", encoding="utf-8") as f: with open(cache_path, "r", encoding="utf-8") as f:
data = json.load(f) data = json.load(f)
direction, confidence = self._map_rating(data["rating"]) # Use stored direction/confidence directly to avoid re-mapping drift
return Signal( return Signal(
ticker=ticker, ticker=ticker,
direction=direction, direction=data["direction"],
confidence=confidence, confidence=data["confidence"],
source="llm", source="llm",
timestamp=datetime.fromisoformat(data["timestamp"]), timestamp=datetime.fromisoformat(data["timestamp"]),
metadata=data, metadata=data,