fix oauth

src/web/components/footer.ts

@@ -0,0 +1,17 @@
+export function renderFooter(handle: string): string {
+  // Extract username from handle: {username}.{name}.{domain} -> username
+  const username = handle.split('.')[0] || handle
+
+  return `
+    <footer id="footer" class="footer">
+      <div class="license">
+        <a href="https://git.syui.ai/ai/log" target="_blank" rel="noopener">
+          <img src="/ai.svg" alt="ai" class="license-icon">
+        </a>
+      </div>
+      <div class="footer-content">
+        <span class="footer-copy">© ${username}</span>
+      </div>
+    </footer>
+  `
+}