{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-18T18:35:29.733120+00:00","duration_seconds":7.332147,"id":2689570,"input_summary":"chars=572 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7HLD","confidence":0.78},{"callsign":"K6GRL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7HLD,K6GRL","recording_id":251248,"started_at":"2026-08-18T18:35:22.400973+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":238577}