{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T21:17:59.802228+00:00","duration_seconds":0.847313,"id":1809769,"input_summary":"chars=656 node=683211","metadata":{"llm_candidates":[{"callsign":"KG7HL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG7HL","recording_id":173172,"started_at":"2026-07-17T21:17:58.954915+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168688}