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/hall/hall-bet-preview-dialog.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { AlertTriangleIcon } from "lucide-react";
+import { useTranslation } from "react-i18next";
 
 import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
 import { Button } from "@/components/ui/button";
@@ -28,14 +29,16 @@ type HallBetPreviewDialogProps = {
 };
 
 function WarningsBlock({ warnings }: { warnings: TicketPreviewWarning[] }) {
+  const { t } = useTranslation("player");
+
   if (warnings.length === 0) return null;
   return (
     <Alert className="border-amber-500/40 bg-amber-500/5 text-amber-950 dark:text-amber-100">
       <AlertTriangleIcon />
-      <AlertTitle>赔付池预警</AlertTitle>
+      <AlertTitle>{t("hall.preview.warningsTitle")}</AlertTitle>
       <AlertDescription className="space-y-1">
         <p className="text-xs leading-relaxed">
-          产品文档 §6.4：以下号码本期赔付池占用较高，仍允许下注；若实际占用不足将售罄拒单。
+          {t("hall.preview.warningsDescription")}
         </p>
         <ul className="list-inside list-disc text-xs">
           {warnings.map((w, i) => (
@@ -61,6 +64,7 @@ export function HallBetPreviewDialog({
   allowSubmit = true,
   onConfirmPlace,
 }: HallBetPreviewDialogProps) {
+  const { t } = useTranslation("player");
   const summary = data?.summary;
   const lines = data?.lines ?? [];
 
@@ -69,17 +73,17 @@ export function HallBetPreviewDialog({
       <DialogContent className="max-h-[min(90vh,560px)] gap-0 overflow-hidden p-0 sm:max-w-md">
         <div className="p-4 pb-2">
           <DialogHeader>
-            <DialogTitle>确认下注</DialogTitle>
+            <DialogTitle>{t("hall.preview.title")}</DialogTitle>
             <DialogDescription>
-              请核对号码、玩法与实扣金额；确认后将扣减彩票钱包且不可撤单（产品文档 §6.3）。
+              {t("hall.preview.description")}
             </DialogDescription>
           </DialogHeader>
           {!allowSubmit ? (
             <Alert className="mt-3 border-[#ff4d4f]/35 bg-[#ff4d4f]/8 text-[#ff4d4f] dark:bg-[#ff4d4f]/12">
               <AlertTriangleIcon />
-              <AlertTitle>已封盘</AlertTitle>
+              <AlertTitle>{t("hall.preview.sealedTitle")}</AlertTitle>
               <AlertDescription className="text-xs leading-relaxed">
-                当前期已停止接收注单，无法提交。请选择下一期（界面文档 §4.2）。
+                {t("hall.preview.sealedDescription")}
               </AlertDescription>
             </Alert>
           ) : null}
@@ -88,37 +92,38 @@ export function HallBetPreviewDialog({
         <ScrollArea className="max-h-[min(52vh,360px)] border-y px-4">
           <div className="space-y-4 py-3 pr-3">
             {!data ? (
-              <p className="text-sm text-muted-foreground">暂无预览数据</p>
+              <p className="text-sm text-muted-foreground">{t("hall.preview.empty")}</p>
             ) : (
               <>
                 <div className="rounded-lg border bg-muted/30 p-3 text-xs">
                   <p>
-                    期号{" "}
-                    <span className="font-mono font-semibold">{data.draw.draw_id}</span> · 状态{" "}
+                    {t("hall.preview.draw")}{" "}
+                    <span className="font-mono font-semibold">{data.draw.draw_id}</span> ·{" "}
+                    {t("hall.preview.status")}{" "}
                     <span className="font-medium">{data.draw.status}</span>
                   </p>
                   {summary ? (
                     <ul className="mt-2 space-y-1 tabular-nums">
                       <li>
-                        总下注{" "}
+                        {t("hall.preview.totalBet")}{" "}
                         <span className="font-medium">
                           {formatMinorAsCurrency(summary.total_bet_amount, currencyCode)}
                         </span>
                       </li>
                       <li>
-                        回水抵扣{" "}
+                        {t("hall.preview.rebateDeduct")}{" "}
                         <span className="font-medium">
                           {formatMinorAsCurrency(summary.total_rebate_amount, currencyCode)}
                         </span>
                       </li>
                       <li>
-                        实扣金额{" "}
+                        {t("hall.preview.actualDeduct")}{" "}
                         <span className="font-semibold text-primary">
                           {formatMinorAsCurrency(summary.total_actual_deduct, currencyCode)}
                         </span>
                       </li>
                       <li>
-                        预估最高赔付{" "}
+                        {t("hall.preview.estimatedPayout")}{" "}
                         <span className="font-medium">
                           {formatMinorAsCurrency(summary.total_estimated_payout, currencyCode)}
                         </span>
@@ -130,7 +135,9 @@ export function HallBetPreviewDialog({
                 <WarningsBlock warnings={data.warnings} />
 
                 <div className="space-y-2">
-                  <p className="text-xs font-medium text-muted-foreground">注项明细</p>
+                  <p className="text-xs font-medium text-muted-foreground">
+                    {t("hall.preview.lines")}
+                  </p>
                   <ul className="space-y-2 text-sm">
                     {lines.map((ln) => (
                       <li
@@ -146,15 +153,23 @@ export function HallBetPreviewDialog({
                         <p className="mt-1 font-mono text-base">{ln.number}</p>
                         <Separator className="my-2" />
                         <div className="grid grid-cols-2 gap-x-2 gap-y-1 text-xs tabular-nums">
-                          <span className="text-muted-foreground">归一号码</span>
+                          <span className="text-muted-foreground">
+                            {t("hall.preview.normalizedNumber")}
+                          </span>
                           <span className="text-right font-mono">{ln.normalized_number}</span>
-                          <span className="text-muted-foreground">组合数</span>
+                          <span className="text-muted-foreground">
+                            {t("hall.preview.combinationCount")}
+                          </span>
                           <span className="text-right">{ln.combination_count}</span>
-                          <span className="text-muted-foreground">实扣</span>
+                          <span className="text-muted-foreground">
+                            {t("hall.preview.actual")}
+                          </span>
                           <span className="text-right">
                             {formatMinorAsCurrency(ln.actual_deduct_amount, currencyCode)}
                           </span>
-                          <span className="text-muted-foreground">预估最高赔</span>
+                          <span className="text-muted-foreground">
+                            {t("hall.preview.estimatedMax")}
+                          </span>
                           <span className="text-right">
                             {formatMinorAsCurrency(ln.estimated_max_payout, currencyCode)}
                           </span>
@@ -170,10 +185,14 @@ export function HallBetPreviewDialog({
 
         <div className="flex flex-col-reverse gap-2 border-t bg-muted/30 p-4 sm:flex-row sm:justify-between">
           <Button type="button" variant="outline" onClick={() => onOpenChange(false)} disabled={placing}>
-            返回修改
+            {t("hall.preview.backEdit")}
           </Button>
           <Button type="button" onClick={onConfirmPlace} disabled={!data || placing || !allowSubmit}>
-            {placing ? "提交中…" : allowSubmit ? "确认提交" : "已封盘"}
+            {placing
+              ? t("hall.preview.submitting")
+              : allowSubmit
+                ? t("hall.preview.confirmSubmit")
+                : t("hall.preview.sealedTitle")}
           </Button>
         </div>
       </DialogContent>