{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T02:30:25.656890+00:00","duration_seconds":7.839462,"id":1820879,"input_summary":"chars=526 node=683210","metadata":{"llm_candidates":[{"callsign":"K4CUP","confidence":0.78},{"callsign":"KO7FR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K4CUP,KO7FR","recording_id":173894,"started_at":"2026-07-18T02:30:17.817428+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169348}