{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:25:38.476461+00:00","duration_seconds":0.939788,"id":537746,"input_summary":"chars=148 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KF7AZB","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7AZB","recording_id":80183,"started_at":"2026-06-26T18:25:37.536673+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":80184}