{"execution_id":"f7824df7-3f27-4dea-a376-5efae18b6cf3","status":"failed","config_path":"pipelines/inline/f7824df7-3f27-4dea-a376-5efae18b6cf3.yaml","started_at":"2026-04-20T01:08:31.445815","completed_at":"2026-04-20T01:08:47.628858","duration_seconds":16.183043,"results":{"steps":[{"result":{"result":{"reason":"Dataset already exists","skipped":true,"generated":false,"output_dir":"/app/datasets/autoresearch/btcusdtp_60_ema20return_53adbfa0fe73"},"status":"completed","streaming":true,"execution_id":"1a69867c-79f5-466a-ac59-81cb02cda3c7","service_execution_id":"1a69867c-79f5-466a-ac59-81cb02cda3c7","pipeline_execution_id":"f7824df7-3f27-4dea-a376-5efae18b6cf3"},"status":"success","step_name":"01_dataset","step_type":"dataset","started_at_iso":"2026-04-20T01:08:36.703104","duration_seconds":0.049341},{"error":"Optuna optimization failed: Optimization failed: Weights must sum to 1.0, got 0.999999","status":"failed","step_name":"02_tuning","step_type":"tuning","started_at_iso":"2026-04-20T01:08:38.133121"}],"started_at":"2026-04-20T01:08:33.890806","completed_at":"2026-04-20T01:08:46.735697","pipeline_name":"ar_btc_60_6b587b2761f4_20260420_080831","total_duration_seconds":0.049341},"error":"Pipeline failed: 1 step(s) failed: 02_tuning"}