{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T23:08:59.972483+00:00","duration_seconds":1.074403,"id":875154,"input_summary":"chars=1897 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":38786,"started_at":"2026-06-27T23:08:58.898080+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":38787}