create mode 100644 apps/web/src/components/sidebar/SidebarThreadUndoNotice.tsx
 create mode 100644 apps/web/src/hooks/showThreadUndoNotice.test.ts
 create mode 100644 apps/web/src/hooks/showThreadUndoNotice.ts
 delete mode 100644 apps/web/src/hooks/showUndoToast.test.ts
 delete mode 100644 apps/web/src/hooks/showUndoToast.ts