fix(frontend): align Zod schemas with camelCase API responses

per_page → perPage in paginated response schemas, drop tag field from tag endpoint

thoughts-frontend/app/remote-actor/page.tsx

@@ -68,7 +68,7 @@ export default async function RemoteActorPage({
   const postsData = postsResult.status === "fulfilled" ? postsResult.value : null;
   const posts = postsData?.items ?? [];
   const totalPages = postsData
-    ? Math.ceil(postsData.total / postsData.per_page)
+    ? Math.ceil(postsData.total / postsData.perPage)
     : 1;
   const me =
     meResult.status === "fulfilled" ? (meResult.value as Me | null) : null;

thoughts-frontend/app/users/[username]/page.tsx

@@ -100,7 +100,7 @@ export default async function ProfilePage({ params }: ProfilePageProps) {
   const thoughtsData = thoughtsResult.status === "fulfilled" ? thoughtsResult.value : null;
   const thoughts = thoughtsData?.items ?? [];
   const totalPages = thoughtsData
-    ? Math.ceil(thoughtsData.total / thoughtsData.per_page)
+    ? Math.ceil(thoughtsData.total / thoughtsData.perPage)
     : 1;
 
   const localFollowersCount =

thoughts-frontend/app/users/all/page.tsx

@@ -22,8 +22,8 @@ export default async function AllUsersPage({
     );
   }
 
-  const { items, total, per_page } = usersData;
-  const totalPages = Math.ceil(total / per_page);
+  const { items, total, perPage } = usersData;
+  const totalPages = Math.ceil(total / perPage);
 
   return (
     <div className="container mx-auto max-w-2xl p-4 sm:p-6">