### What problem does this PR solve?

Feat: If there is no result in the recall test, an empty data image will
be displayed. #4182
### Type of change


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

### What problem does this PR solve?
- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?

feat: Modify the modal style of creating an agent so that there are more
templates in the field of view #2122

### Type of change


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

### What problem does this PR solve?

fix: test chunk by @tanstack/react-query #1306

### 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: #209 after saving the knowledge base configuration, jump to the
dataset page
feat: translate ConfigurationForm
feat: translate KnowledgeTesting
feat: translate document list page
feat: translate knowledge list page

Issue link: #209

### Type of change

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

* feat: fixed the issue where the next button would float above the file list on the file upload page.

* feat: fixed the issue where the last message would keep loading if the backend reported an error during chat.

* fix: fixed the issue that the prompt word for registering an account is not in English

* feat: add DocumentPreview

* feat: display all pdf pages

* feat: add Image to TestingResult

* feat: transform the parser's data structure

* feat: add KnowledgeTesting

* feat: add SelectFiles