{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T13:21:46.879020+00:00","duration_seconds":2.219681,"id":1322959,"input_summary":"chars=838 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78},{"callsign":"KB0MAI","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC2PKG,KB0MAI","recording_id":139909,"started_at":"2026-07-03T13:21:44.659339+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138720}