{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T12:33:50.729130+00:00","duration_seconds":2.470546,"id":2844561,"input_summary":"chars=390 node=683210","metadata":{"llm_candidates":[{"callsign":"AB4KT","confidence":0.78},{"callsign":"K9RPD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AB4KT,K9RPD","recording_id":267837,"started_at":"2026-08-25T12:33:48.258584+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":253640}