/` and the compiled * stylesheet is a real file, so the payload ships a `cssUrl`. * - **Code-registered** — a plugin calls * `desktop_mode_register_desktop_theme()` with asset URLs it * already publishes. There is no file to link, so the payload * ships the compiled stylesheet as `cssText` and `cssUrl` is * empty. PHP prints it via `wp_add_inline_style()` at boot; the * shell injects a `