Struct UndoStack 

pub struct UndoStack { /* private fields */ }

Stack of undo entries, one per turn.

Implementations

impl UndoStack

pub fn new() -> Self

Create an empty undo stack.

pub fn snapshot(&mut self, path: &Path)

Snapshot a file before mutation. Call before Write/Edit/Delete.

Only snapshots the first time per file per turn (preserves original state).

pub fn commit_turn(&mut self)

Finalize the current turn’s snapshots into an undo entry.

Call at the end of each inference turn (after all tool calls complete). Does nothing if no mutations were snapshotted.

pub fn undo(&mut self) -> Option<String>

Undo the last turn’s file mutations.

Returns a summary of what was restored, or None if nothing to undo.

pub fn depth(&self) -> usize

How many turns can be undone.

Trait Implementations

impl Debug for UndoStack

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for UndoStack

fn default() -> UndoStack

Returns the “default value” for a type.