{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T03:08:43.494663+00:00","duration_seconds":1.847566,"id":1589689,"input_summary":"chars=741 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KK7KSX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7KSX","recording_id":158348,"started_at":"2026-07-11T03:08:41.647097+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155452}