{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-05T12:21:26.798704+00:00","duration_seconds":2.621234,"id":2394453,"input_summary":"chars=728 node=683210","metadata":{"llm_candidates":[{"callsign":"KM4W","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KM4W","recording_id":219036,"started_at":"2026-08-05T12:21:24.177470+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":209740}