📖What it is

Raises the flag when a plan needs reworking after trouble.

When a step fails or runs over, this raises a clear flag that the plan needs to be redone, and routes that flag to the right place. It keeps all the redo signals consistent. Several senior helpers that handle reworking depend on it.

🔌Who calls it (1)

Worked out from who actually calls it, not from a note somebody wrote.

🧮Other pipeline machinery machinery