{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T05:45:09.337845+00:00","duration_seconds":1.659713,"id":461648,"input_summary":"chars=1028 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"TW8SZL","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,TW8SZL","recording_id":87987,"started_at":"2026-06-26T05:45:07.678132+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":87988}