{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T01:53:20.524526+00:00","duration_seconds":1.490511,"id":1519444,"input_summary":"chars=269 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7LE","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KJ7LE","recording_id":153607,"started_at":"2026-07-09T01:53:19.034015+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151067}