{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-21T12:18:57.359523+00:00","duration_seconds":3.558378,"id":2749931,"input_summary":"chars=627 node=683210","metadata":{"llm_candidates":[{"callsign":"KC3UUK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC3UUK","recording_id":257638,"started_at":"2026-08-21T12:18:53.801145+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":244384}