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Tiptap's stock ListItem keymap binds Enter only to splitListItem. When the cursor sits in an empty top-level list item, splitListItem returns false (without dispatching) with a code comment saying "let next command handle lifting" — but no next command is chained. Enter then falls through to ProseMirror's baseKeymap which inserts another empty paragraph inside the list item, trapping the user. Replace StarterKit's ListItem with PatchedListItem whose Enter binding chains splitListItem → liftListItem via commands.first. The lift fallback only runs when splitListItem returns false (top-level empty case), restoring the standard "double-Enter exits the list" behaviour seen in every other rich-text editor. Non-empty and nested-empty items are unaffected because splitListItem already handles them correctly. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com> Co-authored-by: multica-agent <github@multica.ai>