{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T13:34:53.573480+00:00","duration_seconds":2.691003,"id":1657661,"input_summary":"chars=640 node=683210","metadata":{"llm_candidates":[{"callsign":"KE0GKF","confidence":0.78},{"callsign":"KE2EDS","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KE0GKF,KE2EDS","recording_id":162972,"started_at":"2026-07-13T13:34:50.882477+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159710}