{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:32:18.439428+00:00","duration_seconds":1.376608,"id":297952,"input_summary":"chars=688 node=66296","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=KX2CW","recording_id":4667,"started_at":"2026-06-25T02:32:17.062820+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4664}