Remove stray Superpowers planning artifacts #121MergedMaggieAppletonmerged 1 commit intomainfromrefs/pull/121/headConversationFiles changed2 files changed+0-439StackedSplitdocs/superpowers/plans/2026-08-24-archived-chats-sidebar.md+0 −378docs/superpowers/specs/2026-08-24-archived-chats-sidebar-design.md+0 −61