chapter 01 / the last action

undo.questundo.quest

A quiet operating system for second chances. The last move has not hardened yet; it is only a layer, visible in blue light.

that can move back
‹‹
- sent too quickly
+ breathe, then answer
~ keep the lesson
chapter 02 / the trace

what changedwhat changed

Every misstep leaves a soft outline. Here, the changed sentence, the hurried tap, the erased pencil line become evidence without accusation.

chapter 03 / the pause

not yet is still an answer.

There is a small clean room between action and repair. Stay there long enough for the sharp edge to become a fold.

chapter 04 / the rewind

reverse orderreverse order

The path draws forward, hesitates, and returns cleaner. Nothing vanishes; it simply learns where it should have turned.

chapter 05 / the new save

new savenew save

The fragments align into a checkpoint. The page does not pretend the first version never happened; it gives the next one a steadier frame.

leave the lesson