Add admin site settings sections and locale defaults

tests/app-config.test.ts

@@ -9,6 +9,8 @@ describe("site settings helpers", () => {
   it("builds defaults from the fallback site name", () => {
     const settings = buildDefaultSiteSettings("Studio Moh");
 
+    expect(settings.defaultLocale).toBe("de");
+    expect(settings.brand.primaryColor).toBe("#dc5a35");
     expect(settings.locales.ar.siteName).toBe("Studio Moh");
     expect(settings.locales.ar.titleTemplate).toBe("{pageTitle} | {siteName}");
     expect(settings.locales.en.siteDescription).toBe("Multilingual Next.js base project");
@@ -18,6 +20,10 @@ describe("site settings helpers", () => {
   it("merges stored values with safe defaults", () => {
     const settings = parseSiteSettingsValue(
       JSON.stringify({
+        defaultLocale: "ar",
+        brand: {
+          primaryColor: "#112233",
+        },
         locales: {
           en: {
             siteName: "Brand EN",
@@ -34,6 +40,8 @@ describe("site settings helpers", () => {
       "Fallback Name",
     );
 
+    expect(settings.defaultLocale).toBe("ar");
+    expect(settings.brand.primaryColor).toBe("#112233");
     expect(settings.locales.en.siteName).toBe("Brand EN");
     expect(settings.locales.en.titleTemplate).toBe("{pageTitle} - {siteName}");
     expect(settings.locales.en.siteDescription).toBe("English description");
@@ -66,4 +74,19 @@ describe("site settings helpers", () => {
 
     expect(settings.locales.ar.titleTemplate).toBe("{pageTitle} | {siteName}");
   });
+
+  it("falls back for invalid default locale and invalid primary color", () => {
+    const settings = parseSiteSettingsValue(
+      JSON.stringify({
+        defaultLocale: "fr",
+        brand: {
+          primaryColor: "red",
+        },
+      }),
+      "Fallback Name",
+    );
+
+    expect(settings.defaultLocale).toBe("de");
+    expect(settings.brand.primaryColor).toBe("#dc5a35");
+  });
 });

tests/metadata.test.ts

@@ -17,6 +17,8 @@ describe("metadata helpers", () => {
 
   it("builds root metadata with dynamic icons and social preview", () => {
     const settings = buildDefaultSiteSettings("Studio Moh");
+    settings.defaultLocale = "ar";
+    settings.locales.ar.siteName = "Studio Moh AR";
     const metadata = buildAppMetadataFromConfig(settings, {
       siteLogoLight: null,
       siteLogoDark: null,
@@ -32,12 +34,16 @@ describe("metadata helpers", () => {
       },
     });
 
-    expect(metadata.title).toBe("Studio Moh");
+    expect(metadata.title).toBe("Studio Moh AR");
     expect(metadata.icons).toEqual({
       icon: [{ url: "/favicon.ico?v=v1" }],
       shortcut: [{ url: "/favicon.ico?v=v1" }],
       apple: [{ url: "/apple-icon.png?v=v1" }],
     });
+    expect(metadata.openGraph).toMatchObject({
+      locale: "ar",
+      url: "https://mohfarawati.de/",
+    });
     expect(metadata.twitter).toMatchObject({
       card: "summary_large_image",
     });