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)/alphabet/page.tsx

@@ -54,8 +54,8 @@ export default function Alphabet() {
           {t("chooseCharacters")}
         </h1>
         {/* 副标题说明 */}
-        <p className="text-gray-600 mb-8 text-lg">
-          选择一种语言的字母表开始学习
+        <p className="text-lg text-gray-600 text-center">
+          {t("chooseAlphabetHint")}
         </p>
 
         {/* 语言选择按钮网格 */}

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}

src/app/(features)/srt-player/page.tsx

@@ -127,21 +127,21 @@ export default function SrtPlayerPage() {
         <div className="border-gray-200 border-2 flex items p-2 justify-between items-center rounded gap-8">
           <div className="flex items-center flex-col">
             <Video size={16} />
-            <span className="text-sm">视频文件</span>
+            <span className="text-sm">{srtT("videoFile")}</span>
           </div>
           <LightButton onClick={handleVideoUpload} disabled={!!videoUrl}>
-            {videoUrl ? '已上传' : '上传视频'}
+            {videoUrl ? srtT("uploaded") : srtT("uploadVideoButton")}
           </LightButton>
         </div>
         <div className="border-gray-200 border-2 flex items p-2 justify-between items-center rounded gap-8">
           <div className="flex items-center flex-col">
             <FileText size={16} />
             <span className="text-sm">
-              {subtitleData.length > 0 ? `字幕已上传 (${subtitleData.length} 条)` : "字幕未上传"}
+              {subtitleData.length > 0 ? srtT("subtitleUploaded", { count: subtitleData.length }) : srtT("subtitleNotUploaded")}
             </span>
           </div>
           <LightButton onClick={handleSubtitleUpload} disabled={!!subtitleUrl}>
-            {subtitleUrl ? '已上传' : '上传字幕'}
+            {subtitleUrl ? srtT("uploaded") : srtT("uploadSubtitleButton")}
           </LightButton>
         </div>
       </div>