Migrate from old project

components/Helper/Theme.ts

@@ -0,0 +1,18 @@
+"use server";
+
+import {cookies} from "next/headers";
+
+// ✅ Get theme from cookies OR detect system preference
+export async function getInitialTheme(): Promise<"dark" | "light"> {
+    const themeCookie = (await cookies()).get("theme")?.value;
+
+    if (themeCookie === "dark" || themeCookie === "light") {
+        return themeCookie;
+    }
+
+    // Detect system preference
+    const prefersDarkMode =
+        typeof window !== "undefined" && window.matchMedia("(prefers-color-scheme: dark)").matches;
+
+    return prefersDarkMode ? "dark" : "light";
+}