{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-26T17:52:52.848533+00:00","duration_seconds":2.500354,"id":2877541,"input_summary":"chars=428 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7HLD","confidence":0.78},{"callsign":"G1DTV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7HLD,G1DTV","recording_id":271536,"started_at":"2026-08-26T17:52:50.348179+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":256976}