Fix mobile overlay and deps per #43

frontend/scripts/build.js

@@ -0,0 +1,24 @@
+#!/usr/bin/env node
+import { execSync } from 'node:child_process';
+import { resolve } from 'node:path';
+import process from 'node:process';
+
+const [major, minor] = process.versions.node.split('.').map((part) => Number(part));
+const supportsNativeRollup = (
+  major > 22 ||
+  (major === 22 && minor >= 12) ||
+  major === 21 ||
+  (major === 20 && minor >= 19)
+);
+
+const env = { ...process.env };
+
+if (!supportsNativeRollup) {
+  env.ROLLUP_USE_NODE_JS = 'true';
+  console.log(`Node.js ${process.version} detected; using Rollup's JavaScript fallback.`);
+} else {
+  console.log(`Node.js ${process.version} detected; using Rollup's native binary.`);
+}
+
+const viteBin = resolve(process.cwd(), 'node_modules', 'vite', 'bin', 'vite.js');
+execSync(`node "${viteBin}" build`, { stdio: 'inherit', env });