{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-22T15:40:52.958809+00:00","duration_seconds":2.552561,"id":2777421,"input_summary":"chars=742 node=683211","metadata":{"llm_candidates":[{"callsign":"KC1MUR","confidence":0.78},{"callsign":"WC0X","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC1MUR,WC0X","recording_id":260722,"started_at":"2026-08-22T15:40:50.406248+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":247141}