fix: promote调LLM子进程前先commit放锁——持写事务等per_stock_reassess(60-100s/只)=全库撞锁(今早开盘连环锁主嫌疑)

deploy/profile-scripts/promote_candidates.py

@@ -182,6 +182,7 @@ def main():
             # 数据异常：先重评（LLM算正确区间），成功则用正确区间，失败则跳过
             print(f"  ⚠️ {code} {name} 买入区{el}~{eh} 偏离现价{_dev:.0f}%（数据异常），先重评校准...", flush=True)
             try:
+                conn.commit()  # 2026-08-25 放锁：LLM子进程60-100s,持写锁等=全库撞锁(开盘连环撞锁主嫌疑)
                 _r = subprocess.run(["/home/hmo/MoFin/venv/bin/python",
                                     "/home/hmo/MoFin/deploy/profile-scripts/per_stock_reassess.py", code],
                                    capture_output=True, text=True, timeout=REASSESS_TIMEOUT)
@@ -270,6 +271,7 @@ def main():
         if newly_added:
             try:
                 import subprocess as _sp
+                conn.commit()  # 2026-08-25 放锁：LLM子进程期间不持写锁
                 r = _sp.run(["python3", "/home/hmo/MoFin/deploy/profile-scripts/per_stock_reassess.py", code],
                            capture_output=True, text=True, timeout=REASSESS_TIMEOUT)
                 if r.returncode == 0: