- Add comprehensive test suite with 13 passing tests - Create detailed keyboard shortcuts documentation (KEYBOARD_SHORTCUTS.md) - Add meaningful code comments explaining functionality - Set up Vitest testing framework with proper mocks - Fix React imports in timeline components for proper JSX rendering - Add ResizeObserver mock for browser environment compatibility - Enhance keyboard shortcuts help to properly format Enter key display Tests cover: - Enter key keybinding functionality - Return to Start button click behavior - Keyboard shortcuts help system integration - Component rendering and tooltip structure Documentation includes: - Complete keyboard shortcuts reference - UI feature explanations - Usage notes and behavior descriptions All tests passing (13/13) with full feature coverage. |
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