{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T19:37:27.730515+00:00","duration_seconds":1.350061,"id":1444487,"input_summary":"chars=847 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"N7CVM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KF7ADV,N7CVM","recording_id":148345,"started_at":"2026-07-06T19:37:26.380454+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146398}