feat(subscription): add support for wallet overflow and downgrade group functionality in subscription plans

web/default/src/i18n/locales/zh.json

@@ -138,6 +138,9 @@
     "Active models": "活跃模型",
     "active users": "活跃用户",
     "Actual Amount": "实付金额",
+    "Plan Price": "套餐价格",
+    "Plan Quota": "套餐额度",
+    "Total quota included in the plan, usable per billing period. 0 means unlimited.": "套餐包含的总额度，每个计费周期可用；0 表示不限量",
     "Actual Model": "实际模型",
     "Actual Model:": "实际模型：",
     "Adapt `-thinking` suffix requests to Anthropic native thinking behavior while keeping billing predictable.": "将带 `-thinking` 后缀的请求适配为 Anthropic 原生思考请求，并保持计费可预测。",
@@ -276,6 +279,10 @@
     "Allocated Memory": "已分配内存",
     "Allow accountFilter parameter": "允许 accountFilter 参数",
     "Allow balance redemption": "允许余额兑换",
+    "Allow wallet balance after quota used up": "额度用尽后允许使用钱包余额",
+    "Downgrade Group": "降级分组",
+    "Downgrade to pre-purchase group": "降级到购买前分组",
+    "Downgrade to this group after the subscription expires": "订阅过期后降级到该分组",
     "Allow Claude beta query passthrough": "允许 Claude beta 查询透传",
     "Allow clients to query configured ratios via `/api/ratio`.": "允许客户端通过 `/api/ratio` 查询配置的比例。",
     "Allow HTTP image requests": "允许 HTTP 图像请求",