Deepl Translate Node

Use DeepL's neural MT API as a fallback when you are NOT confident in your own translation — proper nouns, ambiguous phrasing, domain/legal/medical terminology, idioms, low-resource languages, or any text where a mistranslation carries real cost. Also use when the user explicitly asks to "用 DeepL 翻译" / "translate with DeepL". Calls the DeepL API (Free tier by default; Pro via DEEPL_API_HOST).

by @rockbenben·MIT-0