feat(frontend): support static website demo mode (#3170)

* feat(frontend): support static website demo mode

* fix(frontend): render html artifact previews from blob content

* chore(frontend): apply pre-commit formatting

* fix(frontend): address static demo PR review comments

* Update the release information of DeerFlow

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>

frontend/src/app/workspace/layout.tsx

@@ -43,12 +43,14 @@ export default async function WorkspaceLayout({
             >
               Retry
             </Link>
-            <Link
-              href="/api/v1/auth/logout"
-              className="text-muted-foreground hover:bg-muted rounded-md border px-4 py-2 text-sm"
-            >
-              Logout &amp; Reset
-            </Link>
+            <form action="/api/v1/auth/logout" method="post">
+              <button
+                type="submit"
+                className="text-muted-foreground hover:bg-muted rounded-md border px-4 py-2 text-sm"
+              >
+                Logout &amp; Reset
+              </button>
+            </form>
           </div>
         </div>
       );