### What problem does this PR solve?

Feat: Display Think for Deepseek R1 model #4903

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Fix: Chat Assistant page goes blank #4566

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

[remarkjs/react-markdown/issues/785](https://github.com/remarkjs/react-markdown/issues/785)
Fix: Fixed an issue where math formulas could not be displayed correctly
#4405

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Fixed the issue where two consecutive indexes were displayed
incorrectly #3839

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Fix: Answers with links to information not parsing #3839

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: Modify the data structure of the chunk in the conversation #3909

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Support for formulas #1954

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

fix: Fixed the issue of error reporting when uploading files in the chat
box #2897

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?

1. fix white screen issue when chat response
2. thumbnail bug when document not support

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

---------

Co-authored-by: chongchuanbing <chongchuanbing@gmail.com>

### What problem does this PR solve?

fix: Change document status with @tanstack/react-query #13306

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?

feat: Search for the answers you want based on the selected knowledge
base #2247

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: Send message with uuid #2088

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

fix: Set the default value of Self RAG  to false #1220
fix: Change all tool file names to kebab format

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

feat: change all file names to lowercase #1574

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

fix: remove duplicate MessageItem #1289

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

This PR resolves issue #1491 related to HTML Injection and Cross-Site
Scripting (XSS). The issue was caused by the unsafe usage of
`dangerouslySetInnerHTML` without proper sanitization of user input.

### Changes
- Added DOMPurify dependency.
- Updated the following components to use DOMPurify:
-
`web/src/pages/add-knowledge/components/knowledge-chunk/components/chunk-card/index.tsx`
  - `web/src/pages/chat/markdown-content/index.tsx`
-
`web/src/pages/add-knowledge/components/knowledge-setting/category-panel.tsx`

### Type of change

- [x] Other (please describe): Security Fix

### What problem does this PR solve?

feat: Support for conversational streaming
#709

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

some chunk method pictures are not in English #437

feat: set the height of both html and body to 100%
feat: add SharedChat
feat: add shared hooks

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)