{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T14:48:43.572185+00:00","duration_seconds":2.233411,"id":1326731,"input_summary":"chars=808 node=683210","metadata":{"llm_candidates":[{"callsign":"KB6LUV","confidence":0.78},{"callsign":"N6H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB6LUV,N6H","recording_id":140222,"started_at":"2026-07-03T14:48:41.338774+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138976}