{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T09:53:34.346519+00:00","duration_seconds":0.759296,"id":1557671,"input_summary":"chars=70 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KK7WO","confidence":0.78},{"callsign":"K7L","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7WO,K7L","recording_id":156152,"started_at":"2026-07-10T09:53:33.587223+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153413}