Match Z-Anime pattern: theme in launch() not Blocks(), remove ssr_mode and CSS hacks

Fix infinite scroll: hard 100vh height + overflow hidden on body

Nuclear fix: override --body-background-fill to kill miku bg image 404 loop

Fix miku bg: cover + no-repeat + fixed (no infinite scroll)

Fix miku theme 404 loop: override broken background-image URL

Restore miku theme

Fix infinite scroll: replace buggy gr.Sidebar with Row layout, remove miku theme, add server_name

Add GLM-OCR CPU app