### What problem does this PR solve?
Feat: The bottom anchor of the agent node is only displayed when there
is a downstream node #9869
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: The prompt words "plan" are displayed only when the agent operator
has sub-agent operators or sub-tool operators. . #10000
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Allow users to select prompt word templates in agent operators.
#9935
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
