feat: add PopularTags and TopFriends components, update profile and feed layouts to include them

thoughts-frontend/components/top-friends.tsx

@@ -0,0 +1,63 @@
+import Link from "next/link";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { UserAvatar } from "./user-avatar";
+import { getUserProfile, User } from "@/lib/api";
+import { cookies } from "next/headers";
+
+interface TopFriendsProps {
+  usernames: string[];
+}
+
+// This is an async Server Component
+export async function TopFriends({ usernames }: TopFriendsProps) {
+  const token = (await cookies()).get("auth_token")?.value ?? null;
+
+  if (usernames.length === 0) {
+    return (
+      <Card>
+        <CardHeader>
+          <CardTitle>Top Friends</CardTitle>
+        </CardHeader>
+        <CardContent>
+          <p className="text-center text-muted-foreground">
+            No top friends to display.
+          </p>
+        </CardContent>
+      </Card>
+    );
+  }
+
+  // Fetch all top friend profiles in parallel
+  const friendsResults = await Promise.allSettled(
+    usernames.map((username) => getUserProfile(username, token))
+  );
+
+  const friends = friendsResults
+    .filter(
+      (result): result is PromiseFulfilledResult<User> =>
+        result.status === "fulfilled"
+    )
+    .map((result) => result.value);
+
+  return (
+    <Card>
+      <CardHeader>
+        <CardTitle>Top Friends</CardTitle>
+      </CardHeader>
+      <CardContent className="grid grid-cols-4 gap-4">
+        {friends.map((friend) => (
+          <Link
+            href={`/users/${friend.username}`}
+            key={friend.id}
+            className="flex flex-col items-center gap-2 text-center group"
+          >
+            <UserAvatar src={friend.avatarUrl} alt={friend.username} />
+            <span className="text-xs font-medium truncate w-full group-hover:underline">
+              {friend.displayName || friend.username}
+            </span>
+          </Link>
+        ))}
+      </CardContent>
+    </Card>
+  );
+}