{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T04:09:45.124628+00:00","duration_seconds":1.115671,"id":1822623,"input_summary":"chars=520 node=66296","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KX2CW","recording_id":174011,"started_at":"2026-07-18T04:09:44.008957+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169451}