IINSTRUMENTS / DIGITAL
Last Undo Walk
A guided worksheet for finding where correction becomes remediation.
FIELD PROTOTYPE · RUN LOCALLY IN YOUR BROWSER
INSTRUMENT 01 / FIELD PROTOTYPE
Walk the boundary.
List external actions in order. For each one, ask whether reversal is still unilateral, cheap, and complete. The first “no” suggests where the boundary may be; an unknown condition means the location is still unresolved.