iPhone Access & UI Consistency Update

🛠 Fixes

• Fixed Safari layout issues — buttons and transcription bubbles now render correctly and stay aligned Screenshot
• Fixed "Move" button position for a cleaner, more predictable layout
  Before | After
• Fixed branch palette border radius to restore the original smooth visual style
  Before | After
• Prevented duplicate filenames — users can no longer create files with the same name, avoiding confusion or overwrites
  Before | After
• Fixed a rare issue where creating a folder with the same name as an existing file caused phantom folders
  Before | After

And other improvements