feat(history): add undo redo stack

input/history.ts

@@ -0,0 +1,12 @@
+import { commandIds } from "@commands/ids";
+import type { Dispatch } from "@commands/dispatcher";
+import type { KeybindEvent } from "./keyboard";
+
+export function handleHistoryKey(options: { event: KeybindEvent; dispatch: Dispatch }): boolean {
+  if (options.event.altKey) return false;
+  const modifier = options.event.metaKey || options.event.ctrlKey;
+  if (!modifier || options.event.key.toLowerCase() !== "z") return false;
+
+  options.dispatch(options.event.shiftKey ? commandIds.historyRedo : commandIds.historyUndo, undefined);
+  return true;
+}