refactor: 完成全站国际化改造，统一多语言支持

此提交完成了全项目的国际化适配：
1. 新增多语言翻译文件与基础配置
2. 替换所有硬编码文本为i18n调用
3. 优化语言切换与文档语言同步逻辑
4. 重构部分业务逻辑以支持动态翻译
5. 移除过时代码与硬编码配置

src/features/wallet/wallet-transfer-dialogs.tsx

@@ -2,6 +2,7 @@
 
 import { ArrowDownLeft, ArrowUpRight } from "lucide-react";
 import { useState } from "react";
+import { useTranslation } from "react-i18next";
 
 import { Button } from "@/components/ui/button";
 import {
@@ -42,7 +43,7 @@ export function TransferInDialog({
   idPrefix = "",
   triggerClassName,
   triggerVariant = "wallet",
-  triggerLabel = "转入",
+  triggerLabel,
 }: BaseProps & {
   lotteryMinor: number;
   triggerClassName?: string;
@@ -50,6 +51,8 @@ export function TransferInDialog({
   triggerLabel?: string;
 }) {
   const [open, setOpen] = useState(false);
+  const { t } = useTranslation("player");
+  const resolvedTriggerLabel = triggerLabel ?? t("wallet.transferIn");
 
   const triggerCombined = cn(
     "inline-flex h-10 min-h-10 w-full min-w-0 flex-1 items-center justify-center gap-1.5 px-3 text-sm font-medium",
@@ -66,14 +69,13 @@ export function TransferInDialog({
         onClick={() => setOpen(true)}
       >
         <ArrowDownLeft className="size-4 shrink-0" />
-        {triggerLabel}
+        {resolvedTriggerLabel}
       </Button>
       <DialogContent showCloseButton>
         <DialogHeader>
-          <DialogTitle>转入资金</DialogTitle>
+          <DialogTitle>{t("wallet.transferInTitle")}</DialogTitle>
           <DialogDescription>
-            从主站钱包划入彩票钱包（最小单笔以服务端校验为准，默认约 1.00{" "}
-            {currency}）。
+            {t("wallet.dialogInDescription", { currency })}
           </DialogDescription>
         </DialogHeader>
         <TransferInPanel
@@ -99,7 +101,7 @@ export function TransferOutDialog({
   idPrefix = "",
   triggerClassName,
   triggerVariant = "wallet",
-  triggerLabel = "转出",
+  triggerLabel,
 }: BaseProps & {
   availableMinor: number;
   triggerClassName?: string;
@@ -107,6 +109,8 @@ export function TransferOutDialog({
   triggerLabel?: string;
 }) {
   const [open, setOpen] = useState(false);
+  const { t } = useTranslation("player");
+  const resolvedTriggerLabel = triggerLabel ?? t("wallet.transferOut");
 
   const triggerCombined = cn(
     "inline-flex h-10 min-h-10 w-full min-w-0 flex-1 items-center justify-center gap-1.5 px-3 text-sm font-medium",
@@ -128,13 +132,13 @@ export function TransferOutDialog({
         onClick={() => setOpen(true)}
       >
         <ArrowUpRight className="size-4 shrink-0" />
-        {triggerLabel}
+        {resolvedTriggerLabel}
       </Button>
       <DialogContent showCloseButton>
         <DialogHeader>
-          <DialogTitle>转出资金</DialogTitle>
+          <DialogTitle>{t("wallet.transferOutTitle")}</DialogTitle>
           <DialogDescription>
-            划回主站钱包；单笔限额以服务端校验为准。
+            {t("wallet.dialogOutDescription")}
           </DialogDescription>
         </DialogHeader>
         <TransferOutPanel