{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-25T17:31:16.331311+00:00","duration_seconds":7.969981,"id":2851351,"input_summary":"chars=684 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7IJZ","confidence":0.78},{"callsign":"K7PDC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7IJZ,K7PDC","recording_id":268736,"started_at":"2026-08-25T17:31:08.361330+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":254424}