{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:47:52.628494+00:00","duration_seconds":0.521443,"id":1449043,"input_summary":"chars=73 node=683210","metadata":{"llm_candidates":[{"callsign":"AF70YC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=AF70YC","recording_id":148625,"started_at":"2026-07-06T21:47:52.107051+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146663}