{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T13:23:09.848846+00:00","duration_seconds":33.517892,"id":512735,"input_summary":"chars=642 node=683210","metadata":{"llm_candidates":[{"callsign":"N2B16","confidence":1.0},{"callsign":"N2BH","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=N2B16,N2BH","recording_id":124073,"started_at":"2026-06-26T13:22:36.330954+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124074}