GET /api/v2/leaderboard/weekly

{
  "success": true,
  "data": {
    "period": "week",
    "startDate": "2026-08-17T00:00:00.000Z",
    "endDate": "2026-08-23T23:59:59.999Z",
    "entries": [
      {
        "rank": 1,
        "userId": "user-uuid-1",
        "username": "cryptosage",
        "avatarUrl": "https://ik.imagekit.io/learnway/avatars/1.png",
        "totalXP": 3450,
        "totalGems": 280,
        "currentStreak": 14
      },
      {
        "rank": 2,
        "userId": "user-uuid-2",
        "username": "alice_builder",
        "avatarUrl": "https://ik.imagekit.io/learnway/avatars/2.png",
        "totalXP": 3120,
        "totalGems": 240,
        "currentStreak": 9
      }
    ]
  },
  "message": "Weekly leaderboard retrieved successfully"
}