feat(components): Add markdown editing capability and enhance component styling

- Add editable mode to Markdown component with edit/save/cancel buttons
- Import EditOutlined, SaveOutlined, CloseOutlined icons from ant-design
- Add useState, useRef, useEffect hooks for managing edit state
- Add editable, onContentChange, and onSave props to RbMarkdownProps interface
- Create RbModal component with new index.css stylesheet for modal styling
- Add index.css stylesheet to KnowledgeBase components for consistent styling
- Update i18n translations in en.ts and zh.ts for new UI elements
- Refactor Markdown component handlers to accept and spread additional props
- Update InsertModal and RecallTestResult components for improved UX
- Fix prop spreading in component handlers to maintain compatibility with Ant Design components

web/src/i18n/zh.ts

@@ -216,7 +216,6 @@ export const zh = {
       insertContent: '插入内容',
       editContent: '编辑内容',
       insertContentPlaceholder: '请输入内容',
-      pleaseEnterContent: '请输入内容',
       documentIdRequired: '文档ID是必需的',
       editContentDesc: '编辑内容',
       insertContentDesc: '插入内容',
@@ -229,6 +228,10 @@ export const zh = {
       semantic: '语义',
       hybrid: '混合',
       updateEmbeddingContent: '确定要更新嵌入模型吗？更新后，分块向量数据需要重新构建？',
+      question: '问题',
+      answer: '答案',
+      normalMode: '常规模式',
+      qaMode: '问答模式',
       createForm: {
         name: '名称',
         embedding_id: '嵌入模型',