{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T03:38:51.593449+00:00","duration_seconds":7.473694,"id":1643566,"input_summary":"chars=674 node=683210","metadata":{"llm_candidates":[{"callsign":"K3MBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K3MBC","recording_id":162104,"started_at":"2026-07-13T03:38:44.119755+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158864}