{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-07T17:58:56.839342+00:00","duration_seconds":3.048435,"id":2443343,"input_summary":"chars=499 node=683210","metadata":{"llm_candidates":[{"callsign":"JW9J","confidence":0.78},{"callsign":"WN4V","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=JW9J,WN4V","recording_id":224594,"started_at":"2026-08-07T17:58:53.790907+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":214575}