feat: 接入公开币种目录并统一多币种金额与语言初始化处理

src/components/language-switcher.tsx

@@ -1,5 +1,7 @@
 "use client";
 
+import "@/i18n";
+
 import { ChevronDown, Globe } from "lucide-react";
 import { useEffect, useMemo, useRef, useState, type ReactNode } from "react";
 import { useTranslation } from "react-i18next";

src/components/providers.tsx

@@ -1,18 +1,23 @@
 "use client";
 
-import type { ReactNode } from "react";
+import { useEffect, type ReactNode } from "react";
 
 import { Toaster } from "@/components/ui/sonner";
 import { ErrorProvider } from "@/components/error-provider";
 import { IframeBridge } from "@/components/iframe-bridge";
 import { TokenRefreshIndicator } from "@/components/token-refresh-indicator";
 import "@/i18n";
+import { syncPreferredLanguage } from "@/i18n";
 
 type ProvidersProps = {
   children: ReactNode;
 };
 
 export function Providers({ children }: ProvidersProps): ReactNode {
+  useEffect(() => {
+    syncPreferredLanguage();
+  }, []);
+
   return (
     <>
       <ErrorProvider>