{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T11:48:47.352156+00:00","duration_seconds":1.139399,"id":1558306,"input_summary":"chars=477 node=683210","metadata":{"llm_candidates":[{"callsign":"WD8CZP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WD8CZP","recording_id":156200,"started_at":"2026-07-10T11:48:46.212757+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153459}