- Add plan validation to custom domain saving (Domains.svelte)
- Add plan validation to certificate customization (Design.svelte)
- Add plan validation to document upload (AddDocumentToLesson.svelte)
- Add plan validation to video upload (UploadVideo.svelte)
- Enhance team member function validation (TeamMembers.svelte)
Prevents free users from bypassing UI restrictions via DOM manipulation.
All restricted functions now enforce server-side plan validation.