{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T19:29:21.379374+00:00","duration_seconds":7.316734,"id":2853846,"input_summary":"chars=570 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":268981,"started_at":"2026-08-25T19:29:14.062640+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":254650}