svelte 5 mit npm

src/app.d.ts

@@ -0,0 +1,14 @@
+// See https://kit.svelte.dev/docs/types#app
+// for information about these interfaces
+declare global {
+	namespace App {
+		// interface Error {}
+		interface Locals {
+			user: any
+		}
+		// interface PageData {}
+		// interface Platform {}
+	}
+}
+
+export { };