{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T01:31:53.852605+00:00","duration_seconds":1.701602,"id":1845221,"input_summary":"chars=444 node=683211","metadata":{"llm_candidates":[{"callsign":"KB2FA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KB2FA","recording_id":175626,"started_at":"2026-07-19T01:31:52.151003+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170831}