Add Cmd+Enter exit-break to escape nested content

[johannesmutter]

Closes #18.

Summary

• Adds Cmd/Ctrl + Enter shortcut that exits the current node property or nested node_array and inserts a new default node after the outer block in the document's top-level node_array.
• New transform exit_break and command ExitBreakCommand modeled after Plate's exit-break.

Behavior

The transform walks the selection path from the root, finds the outermost node_array, and inserts a new default node right after the ancestor that sits in that array.

• Caret in a paragraph (text node in body) → new node after the paragraph
• Caret in a hero / story title or description (annotated_text on a block) → new node after the hero / story
• Caret in a list item → exits the list entirely; new node after the list

Test plan

• Cmd+Enter in a paragraph: inserts a new empty text node after the paragraph; caret moves there.
• Cmd+Enter inside the hero title or description: inserts a new text node after the hero in body.
• Cmd+Enter inside a list item: inserts a new text node after the whole list (the list_items array is exited).
• Cmd+Enter inside a story title / description / button content: inserts a new text node after the story.
• Plain Enter, Shift+Enter, and the other shortcuts still behave as before.

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
svedit	Ready	Preview, Comment	May 29, 2026 11:33am