feat(P3): 5개 서비스 비즈니스 이벤트 logger.info 보강

stock/app/screener/router.py

@@ -4,12 +4,15 @@ from __future__ import annotations
 
 import datetime as dt
 import json
+import logging
 import os
 import sqlite3
 from typing import Optional
 
 from fastapi import APIRouter, HTTPException
 
+logger = logging.getLogger(__name__)
+
 from . import schemas
 from .registry import NODE_REGISTRY, GATE_REGISTRY
 from .. import webai_cache
@@ -246,6 +249,7 @@ def post_run(body: schemas.RunRequest):
             telegram_payload=schemas.TelegramPayload(**payload),
             warnings=result.warnings,
         )
+        logger.info(f"Screener 완료: mode={body.mode}, asof={asof.isoformat()}, survivors={result.survivors_count}, top_n={top_n}")
         # SP-A2 — preview 모드 결과 캐시 저장.
         if body.mode == "preview":
             webai_cache.cache_set_screener(body.mode, body.top_n, body.weights, response)