{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T20:36:56.585166+00:00","duration_seconds":1.941797,"id":1062455,"input_summary":"chars=1270 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KX2CW","recording_id":19074,"started_at":"2026-06-28T20:36:54.643369+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":19075}