- Fix TuiRenderer rendering: correct line positioning for categories
- Fix category item formatting: remove tabs, ensure consistent spacing
- Improve clearContentArea: preserve menu bar (lines 2-3) when clearing content
- Add ConsoleContext: mutable context container for readonly ConsoleOutput
- Add context awareness to ConsoleOutput: setContext/getContext/isInTuiContext
- Auto-detect TUI context in InteractivePrompter: automatically set LayoutAreas
- Set TUI context in TuiFactory and TuiCommandExecutor
- Add tests for TuiRenderer: menu bar preservation, category formatting
This fixes rendering issues where:
- Menu bar was not displayed or overwritten
- Category items had tab/space misalignment
- Content area clearing overwrote the menu bar