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.

store/@{NebulaShell}/webui/manifest.json

@@ -3,7 +3,7 @@
     "name": "webui",
     "version": "2.1.0",
     "author": "NebulaShell",
-    "description": "Web 控制台 - 多语言支持/插件管理/安全配置/系统监控",
+    "description": "Web 控制台 + TUI 双启动 - 多语言支持/插件管理/安全配置/系统监控",
     "type": "webui"
   },
   "config": {
@@ -18,7 +18,8 @@
       "enable_2fa": false,
       "show_plugins": true,
       "show_security": true,
-      "show_deployments": true
+      "show_deployments": true,
+      "tui_enabled": true
     }
   },
   "dependencies": ["http-api", "i18n"],