Confirmation dialog
When a change of consequence, deleting files, breaking code, is about to happen, seek confirmation first, and be clear about exactly what's about to happen.
Relevant principles
What the research says
A confirmation acts as a reflective checkpoint: in a controlled study users cancelled suboptimal actions and self-corrected to better choices, even though they preferred no friction. Caveat: confirm only consequential actions, or habituation sets in and users click through unread. 1
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Interactive demo
Campaign agent
ReadyHand it a job.
It works through the steps and checks in when it matters.
It only stops you for things worth stopping for.