{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T16:12:57.755256+00:00","duration_seconds":1.155449,"id":751567,"input_summary":"chars=810 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":56683,"started_at":"2026-06-27T16:12:56.599807+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":56684}