fix(i18n): 补充页面缺失的中英文翻译并修复登录重定向循环

- 补充 login/signup/dictionary/srt-player/alphabet 页面的翻译
- 修复登录页面邮箱登录时 password 参数错误
- 修复登录/注册页面的无限重定向循环问题
- 调整登录/注册卡片宽度为 w-96

src/app/(features)/dictionary/DictionaryClient.tsx

@@ -133,10 +133,11 @@ export function DictionaryClient({ initialFolders }: DictionaryClientProps) {
           placeholder={t("searchPlaceholder")}
           variant="search"
           required
+          containerClassName="flex-1"
         />
         <LightButton
           type="submit"
-          className="px-6 py-3 whitespace-nowrap text-center sm:min-w-30"
+          className="h-10 px-6 rounded-full whitespace-nowrap"
           loading={isSearching}
         >
           {t("search")}

src/app/(features)/dictionary/DictionaryEntry.tsx

@@ -1,13 +1,15 @@
 import { TSharedEntry } from "@/shared/dictionary-type";
+import { useTranslations } from "next-intl";
 
 interface DictionaryEntryProps {
     entry: TSharedEntry;
 }
 
 export function DictionaryEntry({ entry }: DictionaryEntryProps) {
+    const t = useTranslations("dictionary");
+    
     return (
         <div>
-            {/* 音标和词性 */}
             <div className="flex items-center gap-3 mb-3">
                 {entry.ipa && (
                     <span className="text-gray-600 text-lg">
@@ -21,19 +23,17 @@ export function DictionaryEntry({ entry }: DictionaryEntryProps) {
                 )}
             </div>
 
-            {/* 释义 */}
             <div className="mb-3">
                 <h3 className="text-sm font-semibold text-gray-700 mb-1">
-                    释义
+                    {t("definition")}
                 </h3>
                 <p className="text-gray-800">{entry.definition}</p>
             </div>
 
-            {/* 例句 */}
             {entry.example && (
                 <div>
                     <h3 className="text-sm font-semibold text-gray-700 mb-1">
-                        例句
+                        {t("example")}
                     </h3>
                     <p className="text-gray-700 pl-4 border-l-4 border-[#35786f]">
                         {entry.example}