feat: add new UI components and improve existing ones

- Introduced `Field` and `Label` components for better form handling.
- Refactored `Input` and `Textarea` components to use forward refs and improved styling.
- Updated `PendingSubmitButton` to use the new `Button` component.
- Enhanced `Skeleton` component for better layout handling.
- Revamped `Toast` component to support live regions and improved accessibility.
- Updated sidebar configuration to use typed icons.
- Added phase 3 UI boundary checks to prevent usage of deprecated imports.
- Implemented new authentication action handler for better cookie management.
- Improved setup logic for freelancer accounts with repair functionality.

components/error-toaster.tsx

@@ -1,12 +1,12 @@
 'use client'
 
 import { useEffect } from 'react'
-import { toast } from 'poyraz-ui/molecules'
+import { showToast } from '@/components/ui/toast'
 
 export function ErrorToaster({ message }: { message: string }) {
   useEffect(() => {
     if (message) {
-      toast.error(message)
+      showToast({ message, tone: 'error' })
     }
   }, [message])