{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T11:15:24.511231+00:00","duration_seconds":0.552212,"id":1734914,"input_summary":"chars=31 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KM7E","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KM7E","recording_id":167916,"started_at":"2026-07-16T11:15:23.959019+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163886}