feat(i18n): add English + Portuguese (pt-BR) UI translation

backend/api/admin.py

@@ -138,7 +138,7 @@ async def add_account(request: Request):
 
     is_valid = await client.verify_token(token)
     if not is_valid:
-        return {"ok": False, "error": "Invalid token (验证失败，请确认Token有效)"}
+        return {"ok": False, "error": "Invalid token. Please ensure the Token is valid."}
 
     await pool.add(acc)
     return {"ok": True, "email": acc.email}
@@ -173,17 +173,17 @@ async def register_new_account(request: Request):
     # 简单的频率限制保护
     current = len(pool.accounts)
     if current >= 100:
-        return {"ok": False, "error": "账号池已满，请先清理死号"}
+        return {"ok": False, "error": "Account pool is full. Please clean up dead accounts first."}
 
     try:
         acc = await register_qwen_account()
         if acc:
             await pool.add(acc)
             log.info(f"[注册] 注册成功: {acc.email}（当前账号数: {len(pool.accounts)}/100）")
-            return {"ok": True, "email": acc.email, "message": "新账号注册成功并已入池"}
-        return {"ok": False, "error": "自动化注册失败，可能遇到风控或页面元素改变"}
+            return {"ok": True, "email": acc.email, "message": "New account registered and added to the pool."}
+        return {"ok": False, "error": "Auto-registration failed. May be due to anti-bot detection or page changes."}
     except Exception as e:
-        return {"ok": False, "error": f"注册发生异常: {str(e)}"}
+        return {"ok": False, "error": f"Registration error: {str(e)}"}
 
 @router.post("/verify", dependencies=[Depends(verify_admin)])
 async def verify_all_accounts(request: Request):
@@ -222,7 +222,7 @@ async def activate_account(email: str, request: Request):
 
     # 防止并发点击：检查一个运行时标志
     if getattr(acc, "_is_activating", False):
-        return {"ok": False, "error": "该账号正在激活中，请勿重复点击"}
+        return {"ok": False, "error": "This account is being activated. Please do not click repeatedly."}
 
     try:
         setattr(acc, "_is_activating", True)
@@ -231,8 +231,8 @@ async def activate_account(email: str, request: Request):
             acc.valid = True
             acc.activation_pending = False
             await pool.add(acc) # 这会触发覆盖保存
-            return {"ok": True, "message": "账号激活成功"}
-        return {"ok": False, "error": "未能找到激活链接或获取Token"}
+            return {"ok": True, "message": "Account activated successfully."}
+        return {"ok": False, "error": "Could not find activation link or obtain Token."}
     finally:
         setattr(acc, "_is_activating", False)
 

backend/core/account_pool/pool_core.py

@@ -69,15 +69,15 @@ def get_status_code(self) -> str:
 
     def get_status_text(self) -> str:
         status_map = {
-            "valid": "正常",
-            "pending_activation": "待激活",
-            "rate_limited": "限流",
-            "banned": "封禁",
-            "auth_error": "鉴权失败",
-            "invalid": "失效",
-            "unknown": "未知",
+            "valid": "Available",
+            "pending_activation": "Pending activation",
+            "rate_limited": "Rate-limited",
+            "banned": "Banned",
+            "auth_error": "Auth error",
+            "invalid": "Invalid",
+            "unknown": "Unknown",
         }
-        return status_map.get(self.get_status_code(), "未知")
+        return status_map.get(self.get_status_code(), "Unknown")
 
     def to_dict(self):
         return {

frontend/package.json

@@ -14,9 +14,12 @@
     "@tailwindcss/vite": "^4.2.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "i18next": "^23.16.0",
+    "i18next-browser-languagedetector": "^8.0.0",
     "lucide-react": "^1.7.0",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
+    "react-i18next": "^15.1.0",
     "react-router-dom": "^7.14.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.5.0"

frontend/src/i18n/index.ts

@@ -0,0 +1,32 @@
+import i18n from "i18next"
+import LanguageDetector from "i18next-browser-languagedetector"
+import { initReactI18next } from "react-i18next"
+
+import en from "./locales/en.json"
+import ptBR from "./locales/pt-BR.json"
+import zh from "./locales/zh.json"
+
+export const SUPPORTED_LNGS = ["en", "pt-BR", "zh"] as const
+export type SupportedLng = (typeof SUPPORTED_LNGS)[number]
+
+i18n
+  .use(LanguageDetector)
+  .use(initReactI18next)
+  .init({
+    resources: {
+      en: { translation: en },
+      "pt-BR": { translation: ptBR },
+      zh: { translation: zh },
+    },
+    fallbackLng: "en",
+    supportedLngs: SUPPORTED_LNGS as unknown as string[],
+    nonExplicitSupportedLngs: true,
+    interpolation: { escapeValue: false },
+    detection: {
+      order: ["localStorage", "navigator", "htmlTag"],
+      caches: ["localStorage"],
+      lookupLocalStorage: "qwen2api_lang",
+    },
+  })
+
+export default i18n