Add editable localized marquee settings

lib/app-config.ts

@@ -34,6 +34,14 @@ export {
   type ContactProtectionFormValues,
   type PublicContactProtectionSettings,
 } from "./contact-protection";
+export {
+  MARQUEE_SETTINGS_KEY,
+  buildDefaultMarqueeSettings,
+  parseMarqueeSettingsValue,
+  splitMarqueeRowItems,
+  type MarqueeLocaleSettings,
+  type MarqueeSettings,
+} from "./marquee-settings";
 import {
   DEFAULT_SITE_NAME,
   SITE_NAME_KEY,
@@ -68,6 +76,12 @@ import {
   type ContactProtectionFormValues,
   type PublicContactProtectionSettings,
 } from "./contact-protection";
+import {
+  MARQUEE_SETTINGS_KEY,
+  buildDefaultMarqueeSettings,
+  parseMarqueeSettingsValue,
+  type MarqueeSettings,
+} from "./marquee-settings";
 
 export async function getMaintenanceMode(): Promise<boolean> {
   try {
@@ -203,6 +217,32 @@ export async function updateContactProtectionSettings(
   });
 }
 
+export async function getMarqueeSettings(): Promise<MarqueeSettings> {
+  try {
+    const config = await prisma.appConfig.findUnique({
+      where: { key: MARQUEE_SETTINGS_KEY },
+      select: { value: true },
+    });
+
+    return parseMarqueeSettingsValue(config?.value);
+  } catch {
+    return buildDefaultMarqueeSettings();
+  }
+}
+
+export async function updateMarqueeSettings(settings: MarqueeSettings): Promise<void> {
+  await prisma.appConfig.upsert({
+    where: { key: MARQUEE_SETTINGS_KEY },
+    update: {
+      value: JSON.stringify(settings),
+    },
+    create: {
+      key: MARQUEE_SETTINGS_KEY,
+      value: JSON.stringify(settings),
+    },
+  });
+}
+
 export async function getSiteSettingsMediaBindings(): Promise<SiteSettingsMediaBindings> {
   try {
     const usages = await prisma.mediaUsage.findMany({