After completing the design in #2895 , this ticket is for implementing the handles between workflow nodes. ### Current Design <img width="780" height="728" alt="Image" src="https://github.com/user-attachments/assets/3a932fce-4b73-4f75-bd03-ae7d2f120714" /> ### New Design - [Figma](https://www.figma.com/design/8weSXDUVIkU4GtM908WJUV/-task--Visible-handles-for-workflow-nodes--2895?node-id=3-4402&t=nswf0bC0nVit8IVG-1) <img width="780" height="796" alt="Image" src="https://github.com/user-attachments/assets/6cd309ae-3055-48a5-9ff0-b694931d8584" />