{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T04:19:19.101190+00:00","duration_seconds":0.575329,"id":1256417,"input_summary":"chars=713 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7ZBX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7ZBX","recording_id":135019,"started_at":"2026-07-01T04:19:18.525861+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134289}