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[2026-01-10 11:07:14] production.INFO: CSV import completed {"session_id":"csv_import_6961b4482a5fc0.47597098","user_id":0,"user_name":"unknown","ip_address":"211.19.31.78","user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36","result":{"import_id":1,"success":true,"total_rows":2604,"processed_rows":2604,"success_rows":2604,"error_rows":0,"warning_rows":0,"has_error_file":false},"performance":{"execution_time_seconds":10.222,"start_memory_mb":26.0,"end_memory_mb":30.0,"peak_memory_mb":30.0,"memory_increase_mb":4.0},"timestamp":"2026-01-10T02:07:14.396025Z","component":"csv_import"}