{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-16T23:45:56.552647+00:00","duration_seconds":2.108352,"id":2643148,"input_summary":"chars=524 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K4HGT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4HGT","recording_id":246043,"started_at":"2026-08-16T23:45:54.444295+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":233903}