{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T08:20:59.380294+00:00","duration_seconds":1.110454,"id":950974,"input_summary":"chars=70 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7ZRY","confidence":0.78},{"callsign":"K7ZRN","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7ZRY,K7ZRN","recording_id":36617,"started_at":"2026-06-28T08:20:58.269840+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":36618}