feat: improve structure and error handling

app/[lang]/(live)/(protected)/my-pages/layout.tsx

@@ -1,19 +1,16 @@
 import { firaMono, firaSans } from "@/app/[lang]/(live)/fonts"
-import Header from "@/components/MyPages/Header"
 
 import styles from "./layout.module.css"
 
-import type { MyPagesLayoutProps } from "@/types/components/myPages/layout"
+import { LangParams, LayoutArgs } from "@/types/params"
 
 export default async function MyPagesLayout({
   children,
-  params,
-}: React.PropsWithChildren<MyPagesLayoutProps>) {
+}: React.PropsWithChildren<LayoutArgs<LangParams>>) {
   return (
     <div
       className={`${firaMono.variable} ${firaSans.variable} ${styles.layout}`}
     >
-      <Header lang={params.lang} />
       {children}
     </div>
   )