{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T03:13:31.645213+00:00","duration_seconds":1.761131,"id":1849424,"input_summary":"chars=249 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7T2Z","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ7T2Z","recording_id":175944,"started_at":"2026-07-19T03:13:29.884082+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":171108}