{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T14:33:36.490392+00:00","duration_seconds":2.580079,"id":1234193,"input_summary":"chars=799 node=683210","metadata":{"llm_candidates":[{"callsign":"AI6US","confidence":0.78},{"callsign":"W6EK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=AI6US,W6EK","recording_id":133318,"started_at":"2026-06-30T14:33:33.910313+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":132809}