feat(theme): finalize design token system with WCAG AA compliance

- Fix gold text contrast in light theme from 3.30:1 to 6.38:1 (AA compliant)
- Separate ThemeContext into definition and provider files for ESLint compliance
- Update contrast report with final validation results (100% passing tests)
- Ensure all accent colors meet WCAG AA standards across light/dark themes
- Complete design token system with proper semantic color roles

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

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

reactrebuild0825/vite.config.ts

@@ -0,0 +1,40 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { resolve } from 'path';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, './src'),
+    },
+  },
+  server: {
+    port: 5173,
+    host: '0.0.0.0',
+    open: true,
+    strictPort: false,
+    hmr: {
+      port: 24678,
+    },
+  },
+  build: {
+    target: 'esnext',
+    outDir: 'dist',
+    sourcemap: true,
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          vendor: ['react', 'react-dom'],
+          router: ['react-router-dom'],
+          ui: ['framer-motion', 'lucide-react'],
+        },
+      },
+    },
+  },
+  preview: {
+    port: 4173,
+    host: '0.0.0.0',
+  },
+});