feat(web): app citation features add allow_download

web/src/i18n/en.ts

@@ -1470,6 +1470,7 @@ export const en = {
       add_questions: 'Add Option',
       citation: 'Citation and Attribution',
       citation_desc: 'Display the attribution of source documents and generated content',
+      allow_download: 'Allow downloading cited source text',
       invalidVariablesTitle: "The following undefined variables are referenced in the conversation opening. Do you want to save the opening configuration?",
       deep_thinking: 'Enable Deep Thinking',
 

web/src/i18n/zh.ts

@@ -800,6 +800,7 @@ export const zh = {
       add_questions: '添加选项',
       citation: '引用和归属',
       citation_desc: '显示源文档和生成内容的归属部分',
+      allow_download: '允许下载引用原文',
       invalidVariablesTitle: "对话开场白中引用了以下未定义的变量，是否保存开场白配置？",
       deep_thinking: '开启深度思考',