[mkdocs] - no page table of contents on some pages

On some pages no TOC shows for the page:

<img width="1449" height="730" alt="Image" src="https://github.com/user-attachments/assets/e555960e-4385-41d4-8f7e-2f7c83c4564d" />

<img width="1438" height="718" alt="Image" src="https://github.com/user-attachments/assets/589204c9-18aa-4547-8575-d9f352e6715d" />