{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T22:28:53.404159+00:00","duration_seconds":1.544423,"id":1482015,"input_summary":"chars=601 node=683210","metadata":{"llm_candidates":[{"callsign":"K7RUM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=K7RUM","recording_id":151023,"started_at":"2026-07-07T22:28:51.859736+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148756}