Final UI V3

# UI V3 Changelog

Major updates and improvements in this release:

## Core Changes
- Complete NEW REWRITTEN UI system overhaul (V3) with semantic design tokens
- New settings management system with drag-and-drop capabilities
- Enhanced provider system supporting multiple AI services
- Improved theme system with better dark mode support
- New component library with consistent design patterns

## Technical Updates
- Reorganized project architecture for better maintainability
- Performance optimizations and bundle size improvements
- Enhanced security features and access controls
- Improved developer experience with better tooling
- Comprehensive testing infrastructure

## New Features
- Background rays effect for improved visual feedback
- Advanced tab management system
- Automatic and manual update support
- Enhanced error handling and visualization
- Improved accessibility across all components

For detailed information about all changes and improvements, please see the full changelog.

app/lib/stores/profile.ts

@@ -0,0 +1,28 @@
+import { atom } from 'nanostores';
+
+interface Profile {
+  username: string;
+  bio: string;
+  avatar: string;
+}
+
+// Initialize with stored profile or defaults
+const storedProfile = typeof window !== 'undefined' ? localStorage.getItem('bolt_profile') : null;
+const initialProfile: Profile = storedProfile
+  ? JSON.parse(storedProfile)
+  : {
+      username: '',
+      bio: '',
+      avatar: '',
+    };
+
+export const profileStore = atom<Profile>(initialProfile);
+
+export const updateProfile = (updates: Partial<Profile>) => {
+  profileStore.set({ ...profileStore.get(), ...updates });
+
+  // Persist to localStorage
+  if (typeof window !== 'undefined') {
+    localStorage.setItem('bolt_profile', JSON.stringify(profileStore.get()));
+  }
+};