{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:42:18.740365+00:00","duration_seconds":0.751398,"id":995616,"input_summary":"chars=2743 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78},{"callsign":"KB9NSK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC2PKG,KB9NSK","recording_id":31843,"started_at":"2026-06-28T12:42:17.988967+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31844}