{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T12:29:17.825216+00:00","duration_seconds":4.236532,"id":220106,"input_summary":"chars=131 node=683210","metadata":{"llm_candidates":[{"callsign":"K4LGI","confidence":1.0},{"callsign":"N9M","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=K4LGI,N9M","recording_id":114334,"started_at":"2026-06-24T12:29:13.588684+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":114335}