{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T05:23:47.823389+00:00","duration_seconds":0.58159,"id":925491,"input_summary":"chars=352 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2BKG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC2BKG","recording_id":39329,"started_at":"2026-06-28T05:23:47.241799+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":39330}