{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T22:36:40.482362+00:00","duration_seconds":1.509233,"id":270316,"input_summary":"chars=648 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":103107,"started_at":"2026-06-24T22:36:38.973129+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":103105}