fix: 补全错题本筛选与原题图片按钮的英文翻译

- 年级/学期、章节、知识点筛选框及其「全部」选项改用翻译文本
- 详情页「查看 / 隐藏原题图片」按钮改用翻译文本

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: margrop

src/app/error-items/[id]/page.tsx

@@ -619,7 +619,7 @@ export default function ErrorDetailPage() {
                             <div className="flex flex-wrap gap-2">
                                 {item.originalImageUrl && (
                                     <Button variant="outline" size="sm" onClick={() => setShowQuestionImage(!showQuestionImage)} className="flex items-center gap-2">
-                                        {showQuestionImage ? <><EyeOff className="h-4 w-4" />隐藏原题图片</> : <><ImageIcon className="h-4 w-4" />查看原题图片</>}
+                                        {showQuestionImage ? <><EyeOff className="h-4 w-4" />{t.replaceImage?.hide || "Hide original image"}</> : <><ImageIcon className="h-4 w-4" />{t.replaceImage?.view || "View original image"}</>}
                                     </Button>
                                 )}
                                 <ReplaceQuestionImageButton

src/components/knowledge-filter.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState, useEffect, useCallback } from "react";
+import { useLanguage } from "@/contexts/LanguageContext";
 import { useTimeZone } from "@/contexts/TimeZoneContext";
 import { getCalendarDate } from "@/lib/date-time";
 import {
@@ -64,6 +65,7 @@ export function KnowledgeFilter({
     onFilterChange,
     className
 }: KnowledgeFilterProps) {
+    const { t } = useLanguage();
     const { timeZone } = useTimeZone();
     const [gradeSemester, setGradeSemester] = useState<string>(initialGrade || "");
     const [chapter, setChapter] = useState<string>("");
@@ -240,10 +242,10 @@ export function KnowledgeFilter({
         <div className={`flex gap-2 ${className}`}>
             <Select value={gradeSemester} onValueChange={handleGradeChange} disabled={loading}>
                 <SelectTrigger className="w-[140px]">
-                    <SelectValue placeholder="年级/学期" />
+                    <SelectValue placeholder={t.filter?.gradeShort || "Grade"} />
                 </SelectTrigger>
                 <SelectContent>
-                    <SelectItem value="all">全部年级</SelectItem>
+                    <SelectItem value="all">{t.filter?.allGrades || "All grades"}</SelectItem>
                     {filteredGrades.map(gs => (
                         <SelectItem key={gs} value={gs}>{gs}</SelectItem>
                     ))}
@@ -252,10 +254,10 @@ export function KnowledgeFilter({
 
             <Select value={chapter} onValueChange={handleChapterChange} disabled={!gradeSemester || gradeSemester === "all"}>
                 <SelectTrigger className="w-[180px]">
-                    <SelectValue placeholder="章节" />
+                    <SelectValue placeholder={t.filter?.chapter || "Chapter"} />
                 </SelectTrigger>
                 <SelectContent>
-                    <SelectItem value="all">全部章节</SelectItem>
+                    <SelectItem value="all">{t.filter?.allChapters || "All chapters"}</SelectItem>
                     {chapters.map(c => (
                         <SelectItem key={c.id} value={c.name}>
                             {c.name.replace(/^第\d+章\s*/, '')}
@@ -266,12 +268,12 @@ export function KnowledgeFilter({
 
             <Select value={tag} onValueChange={handleTagChange} disabled={!chapter || chapter === "all"}>
                 <SelectTrigger className="w-[140px]">
-                    <SelectValue placeholder="知识点" />
+                    <SelectValue placeholder={t.filter?.knowledgePoint || "Tag"} />
                 </SelectTrigger>
                 <SelectContent>
-                    <SelectItem value="all">全部知识点</SelectItem>
-                    {tags.map(t => (
-                        <SelectItem key={t} value={t}>{t}</SelectItem>
+                    <SelectItem value="all">{t.filter?.allKnowledgePoints || "All tags"}</SelectItem>
+                    {tags.map(tagName => (
+                        <SelectItem key={tagName} value={tagName}>{tagName}</SelectItem>
                     ))}
                 </SelectContent>
             </Select>

src/lib/translations.ts

@@ -383,6 +383,12 @@ export const translations = {
             filteringByTag: "Filtering by tag",
             grade: "Grade/Semester",
             paperLevel: "Paper Level",
+            gradeShort: "Grade",
+            chapter: "Chapter",
+            knowledgePoint: "Tag",
+            allGrades: "All grades",
+            allChapters: "All chapters",
+            allKnowledgePoints: "All tags",
         },
         stats: {
             title: "Practice Statistics",
@@ -952,6 +958,8 @@ export const translations = {
         },
         replaceImage: {
             replace: "Replace image",
+            view: "View original image",
+            hide: "Hide original image",
             add: "Upload question image",
             uploading: "Uploading…",
             confirm: "Replace the original question image? The old image will be overwritten and cannot be restored.",
@@ -1399,6 +1407,12 @@ export const translations = {
             filteringByTag: "按标签筛选",
             grade: "年级/学期",
             paperLevel: "所属卷等级",
+            gradeShort: "年级/学期",
+            chapter: "章节",
+            knowledgePoint: "知识点",
+            allGrades: "全部年级",
+            allChapters: "全部章节",
+            allKnowledgePoints: "全部知识点",
         },
         stats: {
             title: "练习统计",
@@ -1967,6 +1981,8 @@ export const translations = {
         },
         replaceImage: {
             replace: "替换原题图片",
+            view: "查看原题图片",
+            hide: "隐藏原题图片",
             add: "上传原题图片",
             uploading: "上传中…",
             confirm: "确定替换原题图片吗？原图片会被覆盖，无法恢复。",