{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T16:52:16.110058+00:00","duration_seconds":2.214439,"id":1537375,"input_summary":"chars=608 node=683210","metadata":{"llm_candidates":[{"callsign":"W3NTZ","confidence":0.78},{"callsign":"WA6E","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W3NTZ,WA6E","recording_id":154878,"started_at":"2026-07-09T16:52:13.895619+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152212}