English-only Test Post
AIRouter Aug 29, 2026
This post exists only in English (en-only-demo.mdx, no .zh.mdx variant).
It should appear on /blog, and NOT in the /zh/blog list.
Author:AIRouter
Link:https://www.airouter.me/blog/en-only-demo
Non-commercial reuse with attribution (CC BY-NC-SA 4.0).