{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T23:50:36.707282+00:00","duration_seconds":2.188246,"id":1217873,"input_summary":"chars=11 node=683211","metadata":{"llm_candidates":[{"callsign":"WN4A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WN4A","recording_id":132086,"started_at":"2026-06-29T23:50:34.519036+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":131681}