chore: 清理误提交的.bak备份文件（git历史可恢复，源文件均在）

backend/scripts/run_alert_check.sh.bak

@@ -1,31 +0,0 @@
-#!/usr/bin/env bash
-# CMA预警检查 — 通过wrapper脚本避免systemd引号冲突
-set -euo pipefail
-
-cd /root/cma-management/backend
-
-VENV="/root/cma-management/backend/venv"
-
-# 1. KPI阈值检查
-"$VENV/bin/python3" -c "
-from app.database import get_db_session
-from app.api.alert_rules import check_all_kpi_alerts
-db = next(get_db_session())
-try:
-    count = check_all_kpi_alerts(db)
-    print(f'KPI预警检查完成: 新增{count}条')
-finally:
-    db.close()
-" 2>&1
-
-# 2. 差异预警推送检查
-"$VENV/bin/python3" -c "
-from app.database import get_db_session
-from app.api.deviation_push import check_all_push
-db = next(get_db_session())
-try:
-    count = check_all_push(db)
-    print(f'差异预警检查完成: 新增{count}条')
-finally:
-    db.close()
-" 2>&1