nvm i figured it out i just need to add a custom back button to the details page now i guess lol

app/(tabs)/posts/_layout.tsx

@@ -2,9 +2,6 @@ import { Stack } from "expo-router";
 
 export default function PostsLayout() {
     return (
-        <Stack>
-            <Stack.Screen options={{ headerShown: false }} name='overview' />
-            <Stack.Screen options={{ headerTitle: 'Details'}} name='details' />
-        </Stack>
+        <Stack screenOptions={{ headerShown: false }}></Stack>
     )
 }