{"agent_type":"transcription_agent","ai_model":"base.en","ai_pass":true,"ai_provider":"whisper","completed_at":"2026-07-18T19:40:45.687645+00:00","duration_seconds":2.609845,"id":1838565,"input_summary":"audio_file=/var/spool/asterisk/monitor/asl/chunks/66296/2026071819005911_000480_0060.wav","metadata":{"device":"cuda","language":"en"},"output_summary":"chars=728 confidence=0.91 processing_time=2.55s","recording_id":175154,"started_at":"2026-07-18T19:40:43.077800+00:00","status":"completed","step_name":"transcription.whisper","transcription_id":170448}