fix: candidate_filter修3——S4无资金流数据改中性通过(cache只覆盖池内,池外不该压分),busy_timeout30→60(6worker并发写)

deploy/profile-scripts/candidate_filter.py

@@ -25,7 +25,7 @@ UA = "Mozilla/5.0"
 
 def get_conn():
     c = sqlite3.connect(str(DB_PATH), timeout=30)
-    c.execute("PRAGMA busy_timeout=30000")
+    c.execute("PRAGMA busy_timeout=60000")  # 2026-08-24 30→60: 6worker并发写等待
     return c
 
 def log_candidate(conn, code, stage, passed, detail):
@@ -193,7 +193,8 @@ def stage4_capital_flow(code, name):
         stocks = (_j.loads(r[0]) or {}).get("stocks") or {}
         info = stocks.get(raw)
         if not info or not info.get("flow"):
-            return False, 0, "无资金流数据"
+            # 2026-08-24 中性化：cache只覆盖池内股票,池外候选无数据不该压分(S4设计是筛资金差,不是筛没数据)
+            return True, 1, "无资金流数据(中性)"
         flow = info["flow"]  # [{date, main_net, super_large, ...}] 日期升序
         recent = flow[-3:]  # 近3日
         score = 0