Choose local vs worktree for “implement in new thread”

[notkainoa]

In plan mode right now you can:

• Implement in the same thread
• Implement in a new thread

For implement in a new thread, there is no option to pick between local vs worktree.

This would be a life saver to add 🙏🙏🙏

[shivamhwp]

i think it get's resolved here.
#1288
as you can select the default for either worktree or local