Update TUI to v1.3 with enhanced conversion layer and dual UI architecture

- ai.md: Added comprehensive documentation for TUI v1.3 conversion layer with 64+ supported components, CSS styling, and JavaScript interaction capabilities
- oss/tui/: Created complete TUI module with converter.py implementing HTML/CSS/JS to terminal conversion engine, supporting 40+ component types and advanced styling
- oss/tui/plugin.py: Implemented TUI plugin with dual startup architecture accessing WebUI's /tui interface for HTML conversion and terminal rendering
- store/@{NebulaShell}/webui/tui/: Added TUI package with converter, configuration files, and index.html for terminal interface
- store/@{NebulaShell}/webui/core/server.py: Enhanced WebUI server with TUI interface endpoints (/tui/*) for providing special-marked HTML to conversion layer
- store/@{NebulaShell}/webui/main.py: Updated WebUI plugin to support TUI dual launch with automatic homepage redirection and navigation integration
- .gitignore: Updated ignore patterns for better project cleanliness

The update provides a sophisticated terminal interface that automatically converts WebUI content through a powerful transformation layer, enabling seamless dual-mode operation.

oss/tui/__init__.py

@@ -0,0 +1,80 @@
+"""TUI 核心模块 - 强大的 WebUI 到终端界面转换引擎 v1.3
+
+本模块提供完整的 HTML/CSS/JS 到 TUI 的转换能力，参考 opencode 风格设计：
+- HTML 解析：识别 data-tui-* 标记、语义化标签、Aria 属性，转换为 40+ 种终端元素
+- CSS 转换：支持 ANSI 256 色、真彩色、完整字体排版、边框样式、阴影效果
+- JS 交互：完整模拟鼠标追踪、点击事件、键盘绑定、DOM 操作、事件系统
+- 布局引擎：flex/grid/absolute 布局终端适配，自动响应式调整
+- 组件系统：40+ 种组件（按钮、面板、列表、表单、表格、进度条、图表等）
+- 高级特性：动画系统、主题系统、虚拟滚动、焦点管理、辅助功能
+
+架构设计完全参考 opencode 风格，提供现代化、高性能终端体验。
+"""
+
+from .converter import (
+    # 管理器
+    TUIManager,
+    TUIRenderer,
+    HTMLToTUIConverter,
+    
+    # 输入处理
+    TUIInputHandler,
+    TUIEventManager,
+    
+    # 画布
+    TUICanvas,
+    
+    # 样式系统
+    ANSIStyle,
+    BorderStyle,
+    TUIColor,
+    TUIStyle,
+    
+    # 元素类型
+    TUIElementType,
+    
+    # 基础元素
+    TUIElement,
+    TUIButton,
+    TUILabel,
+    TUIPanel,
+    TUILayout,
+    TUIList,
+    TUISeparator,
+    TUIProgressBar,
+    TUISpinner,
+)
+
+__all__ = [
+    # 管理器
+    'TUIManager',
+    'TUIRenderer',
+    'HTMLToTUIConverter',
+    
+    # 输入处理
+    'TUIInputHandler',
+    'TUIEventManager',
+    
+    # 画布
+    'TUICanvas',
+    
+    # 样式系统
+    'ANSIStyle',
+    'BorderStyle',
+    'TUIColor',
+    'TUIStyle',
+    
+    # 元素类型
+    'TUIElementType',
+    
+    # 基础元素
+    'TUIElement',
+    'TUIButton',
+    'TUILabel',
+    'TUIPanel',
+    'TUILayout',
+    'TUIList',
+    'TUISeparator',
+    'TUIProgressBar',
+    'TUISpinner',
+]