Improve wheel: fix lights animation and add prize legend

- Fix lights animation to run continuously (even when idle)
- Lights now move sequentially around the circle
- Remove text labels from wheel, keep only emoji
- Add WheelLegend component with color indicators
- Display legend on right (desktop) and bottom (mobile)
- Add 'prizes' translation key for all languages

src/locales/en.json

@@ -678,6 +678,7 @@
   "wheel": {
     "title": "Fortune Wheel",
     "disabled": "Fortune Wheel is currently unavailable",
+    "prizes": "Prizes",
     "spinsRemaining": "Spins remaining today",
     "choosePayment": "Choose payment method",
     "stars": "Stars",
@@ -983,6 +984,8 @@
         "deletePrize": "Delete Prize",
         "confirmDelete": "Are you sure you want to delete this prize? This action cannot be undone.",
         "dragToReorder": "Drag to reorder",
+        "unsavedOrder": "Unsaved order changes",
+        "unsavedOrderHint": "Save or discard your changes",
         "types": {
           "subscription_days": "Subscription Days",
           "balance_bonus": "Balance Bonus",

src/locales/fa.json

@@ -567,6 +567,7 @@
   "wheel": {
     "title": "چرخ شانس",
     "disabled": "چرخ شانس فعلاً در دسترس نیست",
+    "prizes": "جوایز",
     "spinsRemaining": "تعداد چرخش باقی‌مانده امروز",
     "choosePayment": "روش پرداخت را انتخاب کنید",
     "stars": "Stars",
@@ -704,6 +705,8 @@
         "noPrizes": "جایزه‌ای تنظیم نشده. برای فعال‌سازی چرخ جایزه اضافه کنید.",
         "deletePrize": "این جایزه حذف شود؟",
         "dragToReorder": "کشیدن برای مرتب‌سازی",
+        "unsavedOrder": "تغییرات ترتیب ذخیره نشده",
+        "unsavedOrderHint": "تغییرات را ذخیره یا لغو کنید",
         "confirmDelete": "آیا از حذف این جایزه مطمئن هستید؟",
         "types": {
           "subscription_days": "روز اشتراک",

src/locales/ru.json

@@ -705,6 +705,7 @@
   "wheel": {
     "title": "Колесо удачи",
     "disabled": "Колесо удачи временно недоступно",
+    "prizes": "Призы",
     "spinsRemaining": "Осталось вращений сегодня",
     "choosePayment": "Выберите способ оплаты",
     "stars": "Stars",
@@ -1007,6 +1008,8 @@
         "deletePrize": "Удалить приз",
         "confirmDelete": "Вы уверены, что хотите удалить этот приз? Это действие нельзя отменить.",
         "dragToReorder": "Перетащите для изменения порядка",
+        "unsavedOrder": "Есть несохраненные изменения порядка",
+        "unsavedOrderHint": "Сохраните изменения или отмените их",
         "types": {
           "subscription_days": "Дни подписки",
           "balance_bonus": "Бонус баланса",

src/locales/zh.json

@@ -567,6 +567,7 @@
   "wheel": {
     "title": "幸运转盘",
     "disabled": "幸运转盘暂时不可用",
+    "prizes": "奖品",
     "spinsRemaining": "今日剩余次数",
     "choosePayment": "选择支付方式",
     "stars": "Stars",
@@ -756,6 +757,8 @@
         "noPrizes": "未配置奖品。添加奖品以启用转盘。",
         "deletePrize": "删除此奖品？",
         "dragToReorder": "拖动排序",
+        "unsavedOrder": "有未保存的顺序更改",
+        "unsavedOrderHint": "保存或放弃更改",
         "confirmDelete": "确定要删除这个奖品吗？",
         "types": {
           "subscription_days": "订阅天数",