### What problem does this PR solve?
Feat: The agent's external page should be able to fill in the begin
parameter after being reset in task mode #9745
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Delete unused code in the data pipeline #9869
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Initialize the data pipeline canvas. #9869
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
