Taiwan Traditional Chinese Lock: Custom Instructions Against Simplified Drift

A drop-in custom instruction for ChatGPT Custom Instructions / Claude Projects / any system prompt. It doesn't just force Traditional characters — it also corrects mainland-style word choices (e.g. 質量→品質 'quality', 視頻→影片 'video', 信息→資訊 'information', 土豆→馬鈴薯 'potato'), plus a built-in explanation of why it breaks and how to re-lock it.