{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T20:48:45.914479+00:00","duration_seconds":0.668002,"id":1840617,"input_summary":"chars=677 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WA7ZWD","confidence":0.78},{"callsign":"K7CCY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WA7ZWD,K7CCY","recording_id":175280,"started_at":"2026-07-18T20:48:45.246477+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170561}