{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T13:48:15.337230+00:00","duration_seconds":2.288969,"id":1697683,"input_summary":"chars=630 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78},{"callsign":"KB9NSK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC2PKG,KB9NSK","recording_id":165693,"started_at":"2026-07-14T13:48:13.048261+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":162192}