{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T17:31:02.168554+00:00","duration_seconds":2.476524,"id":2851328,"input_summary":"chars=307 node=683211","metadata":{"llm_candidates":[{"callsign":"W7JSL","confidence":0.78},{"callsign":"K6IT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W7JSL,K6IT","recording_id":268732,"started_at":"2026-08-25T17:30:59.692030+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":254420}