DUNGEONS-34: implement Webka local streaming app

Co-authored-by: multica-agent <github@multica.ai>

frontend/middleware/auth.global.ts

@@ -0,0 +1,12 @@
+export default defineNuxtRouteMiddleware(async (to) => {
+  if (to.path === "/login") return;
+  const session = useSessionStore();
+  if (!(await session.refresh())) return navigateTo("/login");
+  if (
+    (to.path === "/host" || to.path.startsWith("/settings/accounts")) &&
+    session.user?.role !== "admin"
+  )
+    return navigateTo("/watch");
+  if (to.path === "/")
+    return navigateTo(session.user?.role === "admin" ? "/host" : "/watch");
+});