fix(i18n): simplify listChunks translation across multiple languages

Author: lyingbug

frontend/src/i18n/locales/en-US.ts

@@ -3061,7 +3061,7 @@ export default {
     toolSummary: {
       getDocument: 'Get document: {title}',
       document: 'Document',
-      listChunks: 'Viewing {fetched}/{total} chunks of {title}',
+      listChunks: 'View {title}',
       deepThinking: 'Deep Thinking',
     },
     plan: {

frontend/src/i18n/locales/ko-KR.ts

@@ -3117,7 +3117,7 @@ export default {
     toolSummary: {
       getDocument: '문서 조회: {title}',
       document: '문서',
-      listChunks: '{title}의 {fetched}/{total}개 청크 보기',
+      listChunks: '보기 {title}',
       deepThinking: '깊은 사고',
     },
     plan: {

frontend/src/i18n/locales/ru-RU.ts

@@ -2727,7 +2727,7 @@ export default {
     toolSummary: {
       getDocument: 'Получить документ: {title}',
       document: 'Документ',
-      listChunks: 'Просмотр {fetched}/{total} фрагментов {title}',
+      listChunks: 'Просмотр {title}',
       deepThinking: 'Глубокое размышление'
     },
     plan: {

frontend/src/i18n/locales/zh-CN.ts

@@ -3059,7 +3059,7 @@ export default {
     toolSummary: {
       getDocument: "获取文档：{title}",
       document: "文档",
-      listChunks: "查看 {title} 的 {fetched}/{total} 个分块",
+      listChunks: "查看 {title}",
       deepThinking: "深度思考",
     },
     plan: {