- Fix EscapeParserDemo play button and pointer alignment
- Improve TerminalHandsOn AI helper visibility and apt/pip support
- Update terminal intro markdown content
Add a comprehensive terminal introduction guide with interactive Vue components demonstrating terminal concepts. Includes:
- Terminal definition and architecture visualization
- Character grid and cell inspector
- ANSI escape sequences demo
- Input visualization and signal mechanisms
- Flow diagrams and TUI examples
The components are registered in the VitePress theme and linked from the appendix section. Each component includes detailed documentation and interactive elements to help users understand terminal principles.