Fix authentication state persistence and admin role display

- Implement complete authentication system with JWT token validation
- Add auth provider with persistent login state across page refreshes
- Create multilingual login/register forms with Material-UI components
- Fix token validation using raw SQL queries to bypass Prisma sync issues
- Add comprehensive error handling for expired/invalid tokens
- Create profile and settings pages with full i18n support
- Add proper user role management (admin/user) with database sync
- Implement secure middleware with CSRF protection and auth checks
- Add debug endpoints for troubleshooting authentication issues
- Fix Zustand store persistence for authentication state

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/api/auth/logout/route.ts

@@ -0,0 +1,23 @@
+import { NextResponse } from 'next/server'
+import { prisma } from '@/lib/db'
+
+export const runtime = 'nodejs'
+
+export async function POST(request: Request) {
+  try {
+    const authHeader = request.headers.get('authorization')
+    const token = authHeader?.replace('Bearer ', '')
+
+    if (token) {
+      // Remove the session from database
+      await prisma.session.deleteMany({
+        where: { token }
+      })
+    }
+
+    return NextResponse.json({ success: true })
+  } catch (error) {
+    console.error('Logout error:', error)
+    return NextResponse.json({ error: 'Eroare de server' }, { status: 500 })
+  }
+}