{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T16:37:17.138852+00:00","duration_seconds":0.49671,"id":1031047,"input_summary":"chars=355 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7PDZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7PDZ","recording_id":28180,"started_at":"2026-06-28T16:37:16.642142+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28181}