Draft: Workhorse: add context cancellation and goroutine cleanup

What does this MR do and why?

Workhorse: add context cancellation and goroutine cleanup

Problem

Goroutines in Execute() method were not respecting context cancellation, leading to potential resource leaks and hanging operations.

Solution

• Use cancellable context to signal goroutine termination
• Check context.Done() in goroutine loops to prevent blocking

References

Screenshots or screen recordings

Before	After

How to set up and validate locally

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