Merge pull request #3 from Markeljan/claude/upgrade-nextjs-15.5.9-iaXXv

Upgrade Next.js to 15.5.9 and React to 19.0.0

Author: Markeljan

components/theme-provider.tsx

@@ -1,7 +1,6 @@
 'use client';
 
-import { ThemeProvider as NextThemesProvider } from 'next-themes';
-import type { ThemeProviderProps } from 'next-themes/dist/types';
+import { ThemeProvider as NextThemesProvider, type ThemeProviderProps } from 'next-themes';
 
 export function ThemeProvider({ children, ...props }: ThemeProviderProps) {
   return <NextThemesProvider {...props}>{children}</NextThemesProvider>;

next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+/// <reference path="./.next/types/routes.d.ts" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

next.config.ts

@@ -1,9 +1,6 @@
 import type { NextConfig } from 'next';
 
 const nextConfig: NextConfig = {
-  experimental: {
-    ppr: true,
-  },
   images: {
     remotePatterns: [
       {