{"agent_type":"transcription_agent","ai_model":"base.en","ai_pass":true,"ai_provider":"whisper","completed_at":"2026-07-18T19:44:03.432139+00:00","duration_seconds":2.17486,"id":1838731,"input_summary":"audio_file=/var/spool/asterisk/monitor/asl/chunks/683211/2026071819005927_000420_0060.wav","metadata":{"device":"cuda","language":"en"},"output_summary":"chars=654 confidence=0.58 processing_time=2.12s","recording_id":175165,"started_at":"2026-07-18T19:44:01.257279+00:00","status":"completed","step_name":"transcription.whisper","transcription_id":170458}