- Added `ProfileAvatar` for consistent avatar rendering across profiles, with fallback initials and gradient backgrounds.
- Created `ShareCTAButton` for sharing links with native sharing support and clipboard fallback.
- Integrated custom `tiptap` video extension (`tiptap-video`) for video support in rich text editing.
- Introduced `useColumnCount` for responsive column count management in dynamic masonry layouts.
- Enhanced onboarding flow with refined "Share My Profile" feature using the new share button.
- Updated styles and layout in filtered profiles and onboarding screens for better consistency and responsiveness.
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