Refactor BSC Score to Astro, TypeScript, and modular architecture

astro.config.mjs

@@ -1,9 +1,41 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
-
 import preact from '@astrojs/preact';
 
 // https://astro.build/config
 export default defineConfig({
-  integrations: [preact()]
+  integrations: [
+    preact({
+      compat: true, // Enable React compatibility for better ecosystem support
+    })
+  ],
+  
+  // Build optimizations
+  build: {
+    inlineStylesheets: 'auto',
+  },
+  
+  // Vite configuration for development
+  vite: {
+    define: {
+      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
+    },
+    css: {
+      modules: {
+        localsConvention: 'camelCase',
+      },
+    },
+    optimizeDeps: {
+      include: ['preact/hooks'],
+    },
+  },
+  
+  // Development server configuration
+  server: {
+    port: 3000,
+    host: true,
+  },
+  
+  // Performance and SEO optimizations
+  compressHTML: true,
 });