{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:13:08.403153+00:00","duration_seconds":0.797694,"id":990676,"input_summary":"chars=434 node=oldsys","metadata":{"llm_candidates":[{"callsign":"W9EAA","confidence":0.78},{"callsign":"K4HM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W9EAA,K4HM","recording_id":32488,"started_at":"2026-06-28T12:13:07.605459+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":32489}