{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T17:52:41.490674+00:00","duration_seconds":3.839246,"id":789916,"input_summary":"chars=363 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KX2CWO","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,KX2CWO","recording_id":52456,"started_at":"2026-06-27T17:52:37.651428+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":52457}