{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T02:31:03.405681+00:00","duration_seconds":3.906848,"id":578052,"input_summary":"chars=821 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=K7NQN","recording_id":76528,"started_at":"2026-06-27T02:30:59.498833+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":76529}