{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T08:16:27.395123+00:00","duration_seconds":1.852854,"id":197826,"input_summary":"chars=718 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":109744,"started_at":"2026-06-24T08:16:25.542269+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":109745}