Add dedicated local admin domain routing

app/_admin/portfolio/projects/new/page.tsx

@@ -4,6 +4,7 @@ import { MotionFade } from "@/components/motion-fade";
 import { PortfolioProjectForm } from "@/components/admin/portfolio-project-form";
 import { AdminDashboardShell } from "@/components/admin/admin-dashboard-shell";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
+import { getAdminAppPath } from "@/lib/admin-routing";
 import { getMediaOptions } from "@/lib/media";
 import { getActivePortfolioCategories } from "@/lib/portfolio";
 
@@ -26,14 +27,14 @@ const copy = {
 
 export default async function AdminNewPortfolioProjectPage() {
   if (!(await isAdminAuthenticated())) {
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   async function logoutAction() {
     "use server";
 
     await clearAdminSessionCookie();
-    redirect("/");
+    redirect(getAdminAppPath("/"));
   }
 
   const [categories, mediaOptions] = await Promise.all([
@@ -57,7 +58,7 @@ export default async function AdminNewPortfolioProjectPage() {
             categories={categories}
             mediaOptions={mediaOptions}
             formId="portfolio-project-form"
-            redirectPath="/portfolio/projects/new"
+            redirectPath={getAdminAppPath("/portfolio/projects/new")}
           />
         </MotionFade>
       </div>