{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T18:19:06.927300+00:00","duration_seconds":0.95016,"id":247704,"input_summary":"chars=115 node=66296","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":112151,"started_at":"2026-06-24T18:19:05.977140+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":112151}