{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T15:28:30.867655+00:00","duration_seconds":2.687631,"id":1623264,"input_summary":"chars=532 node=683210","metadata":{"llm_candidates":[{"callsign":"KT6CDQ","confidence":0.78},{"callsign":"WX9ITX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KT6CDQ,WX9ITX","recording_id":160670,"started_at":"2026-07-12T15:28:28.180024+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157514}