{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T22:07:42.436133+00:00","duration_seconds":0.674629,"id":1380603,"input_summary":"chars=39 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W87K8","confidence":0.78},{"callsign":"W7K8","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W87K8,W7K8","recording_id":143999,"started_at":"2026-07-04T22:07:41.761504+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142377}