{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:52:16.734930+00:00","duration_seconds":1.866726,"id":539173,"input_summary":"chars=1158 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K9MLR","confidence":1.0},{"callsign":"K9VDC","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=K9MLR,K9VDC","recording_id":87294,"started_at":"2026-06-26T18:52:14.868204+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":87295}