{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T20:37:13.411503+00:00","duration_seconds":0.532435,"id":1062500,"input_summary":"chars=50 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K0ECK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K0ECK","recording_id":24927,"started_at":"2026-06-28T20:37:12.879068+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":24928}