{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-14T17:03:53.414300+00:00","duration_seconds":2.429744,"id":2597514,"input_summary":"chars=794 node=683210","metadata":{"llm_candidates":[{"callsign":"JB6UV","confidence":0.78},{"callsign":"W6EK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=JB6UV,W6EK","recording_id":241032,"started_at":"2026-08-14T17:03:50.984556+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":229381}