fix(coming-soon): let logged-in admins bypass the gate

Admins can now load the public site and their dashboard while coming-soon
mode is on, instead of being redirected to /coming-soon for everything
outside /admin/*.

app/middleware/coming-soon.global.js

@@ -21,6 +21,15 @@ export default defineNuxtRouteMiddleware(async (to, from) => {
     return;
   }
 
+  // Logged-in admins bypass coming-soon (and see the public site + their dashboard)
+  try {
+    const headers = import.meta.server ? useRequestHeaders(["cookie"]) : undefined;
+    const member = await $fetch("/api/auth/member", { headers });
+    if (member?.role === "admin") return;
+  } catch {
+    // Not authenticated — fall through to redirect
+  }
+
   // Redirect all other routes to coming-soon
   return navigateTo("/coming-soon");
 });