Switch to static export with build-time data fetching

- Change from server-side rendering to static export
- Fetch data at build time and save as JSON
- Remove API routes and tests, use static JSON file
- Switch back to WEB platform from WEB_COMPUTE
- Update build test for static export
- Exclude out directory from security scan
- Much simpler and more reliable approach

scripts/security-check.js

@@ -18,6 +18,7 @@ const excludePatterns = [
   /\.next/,
   /dist/,
   /build/,
+  /out/,
   /terraform\.tfvars$/,
   /\.env/,
   /security-check\.js$/,