Fix runtime default locale resolution

app/_admin/maintenance/actions.ts

@@ -7,7 +7,7 @@ import { routing } from "@/i18n/routing";
 import { getAdminAppPath, toInternalAdminPath } from "@/lib/admin-routing";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
 import { getLocalizedPath } from "@/lib/locale";
-import { setMaintenanceMode } from "@/lib/app-config";
+import { getSiteSettings, setMaintenanceMode } from "@/lib/app-config";
 
 async function ensureAdmin() {
   if (!(await isAdminAuthenticated())) {
@@ -33,10 +33,11 @@ export async function updateMaintenanceModeAction(formData: FormData) {
   revalidatePath(toInternalAdminPath("/"));
   revalidatePath(toInternalAdminPath("/maintenance"));
   revalidatePath(toInternalAdminPath(redirectUrl.pathname));
+  const siteSettings = await getSiteSettings();
 
   for (const appLocale of routing.locales) {
-    revalidatePath(getLocalizedPath(appLocale), "layout");
-    revalidatePath(getLocalizedPath(appLocale, "/coming-soon"));
+    revalidatePath(getLocalizedPath(appLocale, "/", siteSettings.defaultLocale), "layout");
+    revalidatePath(getLocalizedPath(appLocale, "/coming-soon", siteSettings.defaultLocale));
   }
 
   redirect(`${redirectUrl.pathname}${redirectUrl.search}`);

app/_admin/marquee/actions.ts

@@ -6,7 +6,7 @@ import { isRedirectError } from "next/dist/client/components/redirect-error";
 
 import { getAdminAppPath, toInternalAdminPath } from "@/lib/admin-routing";
 import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
-import { updateMarqueeSettings } from "@/lib/app-config";
+import { getSiteSettings, updateMarqueeSettings } from "@/lib/app-config";
 import { routing } from "@/i18n/routing";
 import { getLocalizedPath } from "@/lib/locale";
 
@@ -27,10 +27,11 @@ function withMessage(pathname: string, type: "success" | "error", message: strin
 async function revalidateMarqueePages() {
   revalidatePath(toInternalAdminPath("/"));
   revalidatePath(toInternalAdminPath("/marquee"));
+  const siteSettings = await getSiteSettings();
 
   for (const locale of routing.locales) {
-    revalidatePath(getLocalizedPath(locale), "layout");
-    revalidatePath(getLocalizedPath(locale));
+    revalidatePath(getLocalizedPath(locale, "/", siteSettings.defaultLocale), "layout");
+    revalidatePath(getLocalizedPath(locale, "/", siteSettings.defaultLocale));
   }
 }
 

app/_admin/portfolio/actions.ts

@@ -16,6 +16,7 @@ import { removeManagedMediaFile } from "@/lib/media-storage";
 import { mediaFieldInputSchema } from "@/lib/media-validation";
 import { prisma } from "@/lib/prisma";
 import { isCheckedFormValue } from "@/lib/form-data";
+import { getSiteSettings } from "@/lib/app-config";
 import {
   assetInputSchema,
   categoryInputSchema,
@@ -92,9 +93,10 @@ async function revalidatePortfolioPages() {
   revalidatePath(toInternalAdminPath("/portfolio/categories"));
   revalidatePath(toInternalAdminPath("/portfolio/projects"));
   revalidatePath("/portfolio");
+  const siteSettings = await getSiteSettings();
 
   for (const locale of routing.locales) {
-    revalidatePath(getLocalizedPath(locale, "/portfolio"));
+    revalidatePath(getLocalizedPath(locale, "/portfolio", siteSettings.defaultLocale));
   }
 }
 
@@ -520,9 +522,10 @@ export async function saveProjectAction(formData: FormData) {
     await revalidatePortfolioPages();
     revalidatePath(toInternalAdminPath(`/portfolio/projects/${projectResult.project.id}`));
     revalidatePath(`/portfolio/${projectResult.project.slug}`);
+    const siteSettings = await getSiteSettings();
 
     for (const locale of routing.locales) {
-      revalidatePath(getLocalizedPath(locale, `/portfolio/${projectResult.project.slug}`));
+      revalidatePath(getLocalizedPath(locale, `/portfolio/${projectResult.project.slug}`, siteSettings.defaultLocale));
     }
 
     redirect(
@@ -591,9 +594,10 @@ export async function deleteProjectAction(formData: FormData) {
 
     await revalidatePortfolioPages();
     revalidatePath(`/portfolio/${project.slug}`);
+    const siteSettings = await getSiteSettings();
 
     for (const locale of routing.locales) {
-      revalidatePath(getLocalizedPath(locale, `/portfolio/${project.slug}`));
+      revalidatePath(getLocalizedPath(locale, `/portfolio/${project.slug}`, siteSettings.defaultLocale));
     }
 
     redirect(withMessage(getAdminAppPath("/portfolio"), "success", "Project deleted."));

app/_admin/site-settings/actions.ts

@@ -79,7 +79,7 @@ async function cleanupCreatedMedia(assetIds: string[], uploadedPaths: string[])
   }
 }
 
-async function revalidateSiteSettingsPages() {
+async function revalidateSiteSettingsPages(defaultLocale: SiteSettings["defaultLocale"]) {
   revalidatePath("/", "layout");
   revalidatePath(toInternalAdminPath("/"));
   revalidatePath(toInternalAdminPath("/site-settings"));
@@ -88,10 +88,10 @@ async function revalidateSiteSettingsPages() {
   const publicPaths = ["/", "/about", "/portfolio", "/contact", "/success", "/coming-soon"];
 
   for (const locale of routing.locales) {
-    revalidatePath(getLocalizedPath(locale), "layout");
+    revalidatePath(getLocalizedPath(locale, "/", defaultLocale), "layout");
 
     for (const path of publicPaths) {
-      revalidatePath(getLocalizedPath(locale, path));
+      revalidatePath(getLocalizedPath(locale, path, defaultLocale));
     }
   }
 }
@@ -259,7 +259,7 @@ export async function saveSiteBrandSettingsAction(formData: FormData) {
       ],
     });
 
-    await revalidateSiteSettingsPages();
+    await revalidateSiteSettingsPages(parsedSettings.defaultLocale);
     redirect(withMessage(getAdminAppPath("/site-settings/brand"), "success", "Einstellungen gespeichert."));
   } catch (error) {
     if (isRedirectError(error)) {
@@ -321,7 +321,7 @@ export async function saveSiteLocalizationSettingsAction(formData: FormData) {
     }
 
     await updateSiteSettings(parsedSettings);
-    await revalidateSiteSettingsPages();
+    await revalidateSiteSettingsPages(parsedSettings.defaultLocale);
     redirect(withMessage(getAdminAppPath("/site-settings/localization"), "success", "Einstellungen gespeichert."));
   } catch (error) {
     if (isRedirectError(error)) {