{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T16:57:37.063546+00:00","duration_seconds":14.312638,"id":1604280,"input_summary":"chars=540 node=66296","metadata":{"llm_candidates":[{"callsign":"KI7UEI","confidence":0.78},{"callsign":"K0ECK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KI7UEI,K0ECK","recording_id":159436,"started_at":"2026-07-11T16:57:22.750908+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156394}