feat: add user count endpoint and integrate it into frontend components

thoughts-frontend/app/page.tsx

@@ -14,6 +14,7 @@ import { PopularTags } from "@/components/popular-tags";
 import { ThoughtThread } from "@/components/thought-thread";
 import { buildThoughtThreads } from "@/lib/utils";
 import { TopFriends } from "@/components/top-friends";
+import { UsersCount } from "@/components/users-count";
 
 export default async function Home() {
   const token = (await cookies()).get("auth_token")?.value ?? null;
@@ -92,6 +93,7 @@ async function FeedPage({ token }: { token: string }) {
             )}
             <PopularTags />
             {token && <TopFriends mode="friends" usernames={friends || []} />}
+            <UsersCount />
           </div>
         </aside>
       </div>

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

@@ -0,0 +1,63 @@
+import { getAllUsers } from "@/lib/api";
+import { UserListCard } from "@/components/user-list-card";
+import {
+  Pagination,
+  PaginationContent,
+  PaginationItem,
+  PaginationNext,
+  PaginationPrevious,
+} from "@/components/ui/pagination";
+
+export default async function AllUsersPage({
+  searchParams,
+}: {
+  searchParams: { page?: string };
+}) {
+  const page = parseInt(searchParams.page ?? "1", 10);
+  const usersData = await getAllUsers(page).catch(() => null);
+
+  if (!usersData) {
+    return (
+      <div className="container mx-auto max-w-2xl p-4 sm:p-6 text-center">
+        <h1 className="text-3xl font-bold my-6">All Users</h1>
+        <p className="text-muted-foreground">
+          Could not load users. Please try again later.
+        </p>
+      </div>
+    );
+  }
+
+  const { items, totalPages } = usersData;
+
+  return (
+    <div className="container mx-auto max-w-2xl p-4 sm:p-6">
+      <header className="my-6 glass-effect glossy-effect bottom gloss-highlight rounded-md p-4 text-shadow-md">
+        <h1 className="text-3xl font-bold">All Users</h1>
+        <p className="text-muted-foreground">
+          Discover other users on Thoughts.
+        </p>
+      </header>
+      <main>
+        <UserListCard users={items} />
+        {totalPages > 1 && (
+          <Pagination className="mt-8">
+            <PaginationContent>
+              <PaginationItem>
+                <PaginationPrevious
+                  href={page > 1 ? `/users/all?page=${page - 1}` : "#"}
+                  aria-disabled={page <= 1}
+                />
+              </PaginationItem>
+              <PaginationItem>
+                <PaginationNext
+                  href={page < totalPages ? `/users/all?page=${page + 1}` : "#"}
+                  aria-disabled={page >= totalPages}
+                />
+              </PaginationItem>
+            </PaginationContent>
+          </Pagination>
+        )}
+      </main>
+    </div>
+  );
+}