fix: use @tanstack/react-query to get knowledge base data #1306 (#1609)

feat: delete the added model #503 and display an error message when the requested file fails to parse #684 (#708)

feat: support DeepSeek (#667)

fix: cannot save the system model setting #468 (#508)

feat: add loading to ChatContainer and set font family to inter and add tooltip to Form.Item and download documents on the document list page (#136)

feat: modify routing to nested mode and rename document (#52)

add front end code (#27)