CW – Backend 3D logo patch
Date: 2026-09-12

Changes:
- Uses assets/cv3d.webp as the central CW system logo in the backend.
- Replaces the previous logo in all admin headers and on login/auth screens.
- Keeps the previous admin SVG as fallback if the WebP asset is missing.
- Does not change frontend/customer branding or the mail logo.
- No root .htaccess is included or modified.

Install:
Copy/overlay the ZIP contents into the CW root.
