{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T00:59:04.893226+00:00","duration_seconds":3.746852,"id":1637028,"input_summary":"chars=837 node=683211","metadata":{"llm_candidates":[{"callsign":"NA7IHU","confidence":0.78},{"callsign":"KJ5NNW","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=NA7IHU,KJ5NNW","recording_id":161568,"started_at":"2026-07-13T00:59:01.146374+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158373}