{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:52:16.137302+00:00","duration_seconds":1.050212,"id":539169,"input_summary":"chars=220 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":80028,"started_at":"2026-06-26T18:52:15.087090+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":80029}