Silence Flask access logs and retain PM2 logs for 3 days.

Stop werkzeug request spam into PM2 error files, truncate oversized logs, and install daily logrotate with 3-day retention.

Co-authored-by: Cursor <cursoragent@cursor.com>

crypto_monitor_gate/app.py

@@ -9844,5 +9844,8 @@ _purge_key_monitors_if_full_margin()
 
 # 启动
 if __name__ == "__main__":
+    from lib.common.flask_access_log_lib import silence_werkzeug_access_log
+
+    silence_werkzeug_access_log()
     threading.Thread(target=background_task, daemon=True).start()
     app.run(host=HOST, port=PORT, debug=DEBUG, threaded=True)