{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:56:30.923753+00:00","duration_seconds":2.428549,"id":1814034,"input_summary":"chars=798 node=683210","metadata":{"llm_candidates":[{"callsign":"GW8S","confidence":0.78},{"callsign":"Y4NB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=GW8S,Y4NB","recording_id":173454,"started_at":"2026-07-17T22:56:28.495204+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168957}