### What problem does this PR solve?
Fix: Modify the style of the user center
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix: Optimized the login page and fixed some known issues. #9869
- Added the FlipCard3D component to implement a 3D flip effect on the
login/registration forms.
- Adjusted the Spotlight component to support custom positioning and
color configurations.
- Updated the route to point to the new login page /login-next.
- Added a cancel interface to the auto-generate function.
- Fixed scroll bar issues in PDF preview.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix: Added table of contents extraction functionality and optimized form
item layout #9869
- Added `EnableTocToggle` component to toggle table of contents
extraction on and off
- Added multiple parser configuration components (such as naive, book,
laws, etc.), displaying different parser components based on built-in
slicing methods
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix: Hide dataflow related functions #9869
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
feat: Added UI functions related to data-flow knowledge base #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fix: Optimize dataset page layout and internationalization and Fix
setting default values for multi selection drop-down boxes #3221
-Adjust the style and layout of each component on the dataset page
-Add and update multilingual translation content
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix (web): Optimize text display effect
-Add text ellipsis and overflow hidden classes to the HomeCard component
to achieve text overflow hiding and ellipsis effects
-Add text ellipsis and overflow hidden classes to the DatasetSidebar
component to improve the display of dataset names
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Replace color variables according to design draft #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Configure colors according to the design draft#3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fix: Generate avatar; Add knowledge graph; Modify the style of the
multi-select component
[#3221](https://github.com/infiniflow/ragflow/issues/3221)
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Modify the style of the dataset page #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Bind data to the agent module of the home page #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Batch operations on documents in a dataset #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Create empty document. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Save document metadata #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add AdvancedSettingForm #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add dataset sidebar #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)