refactor: 合并多语言支持的显示名称字段，优化奖池手动爆发功能的返回数据结构，增强管理端权限控制

src/i18n/locales/en/jackpot.json

@@ -25,10 +25,14 @@
   "enabled": "Enabled",
   "saving": "Saving…",
   "save": "Save",
-  "manualBurstDrawId": "Manual burst draw number",
-  "manualBurstAmount": "Burst amount (empty for all)",
+  "manualBurstDrawId": "Draw ID for manual burst",
+  "manualBurstHint": "Super admin only. Requires a settled draw with first-prize winners. Pool release follows the configured payout rate.",
+  "manualBurstConfirmTitle": "Confirm manual jackpot burst?",
+  "manualBurstConfirmDescription": "Jackpot will be split among first-prize winners for draw {{drawId}} using the payout rate. Pool balance will be reduced. This cannot be undone automatically.",
   "processing": "Processing…",
-  "manualBurst": "Manual burst",
+  "manualBurst": "Manual burst (super admin only)",
+  "manualBurstConfirm": "Confirm burst",
+  "cancel": "Cancel",
   "filter": "Filter",
   "drawNo": "Draw no.",
   "optional": "Optional",