{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T00:39:21.288652+00:00","duration_seconds":3.239046,"id":1844327,"input_summary":"chars=729 node=66296","metadata":{"llm_candidates":[{"callsign":"KI7CY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KI7CY","recording_id":175558,"started_at":"2026-07-19T00:39:18.049606+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170772}