{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T00:30:51.599081+00:00","duration_seconds":2.361947,"id":1844143,"input_summary":"chars=472 node=683210","metadata":{"llm_candidates":[{"callsign":"W3NTC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=W3NTC","recording_id":175550,"started_at":"2026-07-19T00:30:49.237134+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170767}