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The flashing warning button in the working through steps screen is there to help the user sew more safely. The alert button should be bright red and flash briefly to remind the user to check, so that they have a reminder to help avoid disastrous and annoying mistakes. It does not pop up automatically, because that would reduce efficiency and cause the user to perhaps automatically ignore the alert. Outside of this, there is not much safety in this design. Part of this is because the user does not make any changes to this thing itself other than navigation, which can be easily undone. However, the user If you accidentally start a project that you don't want to do, or want to drop a project partway through, you should be able to modify their delete the project from the active projects screen by deleting a project. In order to make this more safe, a single-level undo should be added.