{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T02:29:46.363543+00:00","duration_seconds":0.925044,"id":1520476,"input_summary":"chars=620 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7RJL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7RJL","recording_id":153671,"started_at":"2026-07-09T02:29:45.438499+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151128}