{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T09:03:39.819753+00:00","duration_seconds":0.515269,"id":1459283,"input_summary":"chars=6 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7RJ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7RJ","recording_id":149377,"started_at":"2026-07-07T09:03:39.304484+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147303}