fix(ts): fix interfaces for type safety

app/(tabs)/paper/page.tsx

@@ -15,7 +15,6 @@ interface Mock {
   rating: number;
 }
 
-// For App Router (Next.js 13+ with app directory)
 export default function PaperScreen() {
   const router = useRouter();
   const searchParams = useSearchParams();
@@ -58,13 +57,7 @@ export default function PaperScreen() {
     return (
       <BackgroundWrapper>
         <div className="min-h-screen">
-          <Header
-            displaySubject={name}
-            displayTabTitle={null}
-            displayUser={false}
-            image={undefined}
-            examDuration={undefined}
-          />
+          <Header displayTabTitle={name} />
           <div className="overflow-y-auto">
             <div className="mt-5 px-5">
               <DestructibleAlert text={errorMsg} extraStyles="" />
@@ -88,13 +81,7 @@ export default function PaperScreen() {
   return (
     <BackgroundWrapper>
       <div>
-        <Header
-          displayTabTitle={null}
-          displayUser={false}
-          displaySubject={name}
-          image={undefined}
-          examDuration={undefined}
-        />
+        <Header displayTabTitle={name} />
         <div className="mx-10 pt-10 overflow-y-auto">
           <div className="border border-[#c0dafc] flex flex-col gap-4 w-full rounded-[25px] p-4">
             {questions ? (