### What problem does this PR solve?
Fix: Optimized the timeline component and parser editing features #9869
- Introduced the TimelineNodeType type, restructured the timeline node
structure, and supported dynamic node generation
- Enhanced the FormatPreserveEditor component to support editing and
line wrapping of JSON-formatted content
- Added a rerun function and loading state to the parser and splitter
components
- Adjusted the timeline style and interaction logic to enhance the user
experience
- Improved the modal component and added a destroy method to support
more flexible control
- Optimized the chunk result display and operation logic, supporting
batch deletion and selection
### 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)
