Add cheatsheet tip to downloads section and fix Vercel 404

- Add download tip with cheatsheet link in downloads section
- Fix cheatsheet 404 on Vercel by adding rewrite rule
- Include cheatsheet.html in Bun build entrypoints

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

public/css/main.css

@@ -2322,6 +2322,21 @@ code {
   border-radius: 4px;
 }
 
+.download-tip {
+  font-size: 0.8125rem;
+  color: var(--color-ash);
+  margin-top: var(--spacing-sm);
+}
+
+.download-tip a {
+  color: var(--color-accent);
+  text-decoration: none;
+}
+
+.download-tip a:hover {
+  text-decoration: underline;
+}
+
 /* ============================================
    SUPPORT SECTION
    ============================================ */

public/index.html

@@ -320,6 +320,7 @@
             Prefix commands with <code>/i-</code> to avoid conflicts
           </span>
         </label>
+        <p class="download-tip">Once installed, keep our <a href="/cheatsheet">command cheatsheet</a> handy for quick reference.</p>
       </div>
 
       <div class="downloads-grid">

scripts/build.js

@@ -73,14 +73,17 @@ function buildTailwindCSS() {
  * CSS is pre-compiled by Tailwind CLI, then bundled with HTML/JS
  */
 async function buildStaticSite() {
-  const entrypoint = path.join(ROOT_DIR, 'public', 'index.html');
+  const entrypoints = [
+    path.join(ROOT_DIR, 'public', 'index.html'),
+    path.join(ROOT_DIR, 'public', 'cheatsheet.html'),
+  ];
   const outdir = path.join(ROOT_DIR, 'build');
 
   console.log('📦 Building static site with Bun...');
 
   try {
     const result = await Bun.build({
-      entrypoints: [entrypoint],
+      entrypoints: entrypoints,
       outdir: outdir,
       minify: true,
       sourcemap: 'linked',

vercel.json

@@ -6,6 +6,9 @@
     "api/**/*.js": {
       "includeFiles": "source/**,dist/**"
     }
-  }
+  },
+  "rewrites": [
+    { "source": "/cheatsheet", "destination": "/cheatsheet.html" }
+  ]
 }