{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T09:48:34.007149+00:00","duration_seconds":0.542625,"id":965839,"input_summary":"chars=1577 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC2PKG","recording_id":34949,"started_at":"2026-06-28T09:48:33.464524+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":34950}