{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T18:33:20.167942+00:00","duration_seconds":1.905898,"id":1541682,"input_summary":"chars=47 node=683210","metadata":{"llm_candidates":[{"callsign":"KC4VFO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC4VFO","recording_id":155181,"started_at":"2026-07-09T18:33:18.262044+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152505}