apps/web/src/components/Sidebar.tsx                         | 97 +++++++++++++++++++++++++-------
 apps/web/src/components/sidebar/SidebarThreadUndoNotice.tsx |  3 +-
 apps/web/src/components/threadActionMenu.logic.test.ts      | 27 ++++++++-
 apps/web/src/components/threadActionMenu.logic.ts           | 39 +++++++++++++
 apps/web/src/composerDraftStore.ts                          |  2 +-
 apps/web/src/hooks/showThreadUndoNotice.ts                  | 13 ++++-
 apps/web/src/lib/discardComposerDraft.test.ts               | 89 +++++++++++++++++++++++++++++
 apps/web/src/lib/discardComposerDraft.ts                    | 79 ++++++++++++++++++++++++++
 docs/user/keybindings.md                                    |  3 +-
 docs/user/thread-sidebar.md                                 |  3 +-
 10 files changed, 326 insertions(+), 29 deletions(-)