init: @ui-arch 私人组件库 monorepo

- core/table-core: Headless 表格内核（排序/筛选/分页/选择插件 + 冒烟 9 项）
- core/frame: signal/computed/effect + hyperscript 微框架（零依赖）
- skin/ui: 16 个 DOM 组件（含自绘 select、滑动指示条 tabs、行选择 dataTable、form 表单校验）
- design/tokens: --ua-* 设计令牌（light/dark）
- tools/cli: ua 命令行（index/list/info/docs/style/mcp）+ MCP 注册表服务
- apps: demo 演示站（esbuild 单文件）+ docs 双轨文档（人类版 + llms-full.txt）

packages/skin/ui/src/index.ts

@@ -0,0 +1,17 @@
+export * from './types.js';
+export { button } from './button.js';
+export { textField } from './textField.js';
+export { textarea } from './textarea.js';
+export { checkbox } from './checkbox.js';
+export { switchButton } from './switch.js';
+export { select } from './select.js';
+export { radioGroup } from './radioGroup.js';
+export { card } from './card.js';
+export { badge } from './badge.js';
+export { alert } from './alert.js';
+export { spinner } from './spinner.js';
+export { progress } from './progress.js';
+export { tabs } from './tabs.js';
+export { modal } from './modal.js';
+export { form, formItem } from './form.js';
+export { dataTable } from './dataTable.js';