Summary

• Cmd+1–9 instant switch: Press Cmd/Ctrl + a digit key to jump directly to the Nth visible worktree in the sidebar. Works from any focus context (terminal, editor, sidebar search).
• Cmd-hold hint overlay: Hold the platform modifier key for 0.75 seconds to reveal number badges (1–9) on worktree cards, showing which number maps to which worktree.
• Shared visibility utility: Extracted computeVisibleWorktreeIds() so the App-level shortcut handler and WorktreeList render pipeline always agree on worktree order — including when grouping is active.

Key implementation details

• Shortcut numbering derives from the post-buildRows() grouped order, so badges match visual card positions even with repo/PR-status grouping enabled.
• Module-level cache (setVisibleWorktreeIds / getVisibleWorktreeIds) keeps the App-level keydown handler in sync with the rendered sidebar order.
• useModifierHint hook handles edge cases: repeated keydown, window blur (Cmd+Tab), other-key cancellation, and cross-modifier exclusion (Ctrl+Cmd won't trigger hints).
• Shortcut is disabled in settings view (activeView !== 'settings').

Test plan

• Cmd+1 through Cmd+9 switches to the correct worktree
• Shortcut works from terminal, editor, and sidebar search input
• Hold Cmd for 1 second → number badges appear on first 9 cards
• Release Cmd → badges disappear instantly
• Press Cmd+N (new worktree) while holding Cmd → badges do NOT appear
• With grouping enabled (repo or PR status), badge numbers match visual card positions
• Cmd+digit beyond visible worktree count is a no-op (no error)
• Shortcut is disabled in settings view
• Ctrl+Cmd combo on Mac does not trigger hint overlay

🤖 Generated with Claude Code