{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T20:04:29.670357+00:00","duration_seconds":3.418795,"id":1544821,"input_summary":"chars=934 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7ADV","recording_id":155376,"started_at":"2026-07-09T20:04:26.251562+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152685}