{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T14:39:32.355274+00:00","duration_seconds":0.953253,"id":1013748,"input_summary":"chars=347 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7ZBX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7ZBX","recording_id":29904,"started_at":"2026-06-28T14:39:31.402021+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":29905}