{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T19:26:02.647173+00:00","duration_seconds":0.532433,"id":1274914,"input_summary":"chars=855 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7AZV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KF7AZV","recording_id":136363,"started_at":"2026-07-01T19:26:02.114740+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135510}