upto phase 4 completed

frontend/src/pages/Sites/Settings.tsx

@@ -1268,6 +1268,19 @@ export default function SiteSettings() {
                   </div>
                 </div>
               </Card>
+
+              {/* Save Button */}
+              <div className="flex justify-end">
+                <Button
+                  variant="primary"
+                  tone="brand"
+                  onClick={() => savePublishingSettings(publishingSettings)}
+                  isLoading={publishingSettingsSaving}
+                  disabled={publishingSettingsSaving}
+                >
+                  Save Publishing Settings
+                </Button>
+              </div>
             </>
           ) : (
             <Card>