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）

apps/demo/build.mjs

@@ -0,0 +1,75 @@
+/**
+ * 演示站打包：esbuild 从 TS 源码打包（alias 直连各包 src），
+ * 连同 tokens.css / ui.css 内嵌进单文件 apps/demo/dist/demo.html。
+ */
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { createRequire } from 'node:module';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const root = path.resolve(__dirname, '..', '..'); // apps/demo 上两级 = 仓库根
+// esbuild 装在托管 node workspace，用 createRequire 指过去
+const require = createRequire('C:/Users/shawn/.workbuddy/binaries/node/workspace/index.js');
+const esbuild = require('esbuild');
+
+const read = (p) => fs.readFileSync(path.join(root, p), 'utf8');
+
+const result = await esbuild.build({
+  entryPoints: [path.join(root, 'apps/demo/main.ts')],
+  bundle: true,
+  format: 'iife',
+  target: 'es2020',
+  charset: 'utf8', // 中文保留原文，不转义为 \uXXXX
+  write: false,
+  legalComments: 'none',
+  alias: {
+    '@ui-arch/frame': path.join(root, 'packages/core/frame/src/index.ts'),
+    '@ui-arch/ui': path.join(root, 'packages/skin/ui/src/index.ts'),
+    '@ui-arch/table-core': path.join(root, 'packages/core/table-core/src/index.ts'),
+  },
+});
+
+const js = result.outputFiles[0].text.replace(/<\/script>/gi, '<\\/script>'); // 防提前闭合
+const css = [read('packages/design/tokens/tokens.css'), read('packages/skin/ui/ui.css')].join('\n');
+
+const html = `<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>@ui-arch 组件库 · 现场演示</title>
+<style>
+${css}
+:root{--page-bg:#ffffff;--page-text:#1c1e21;--page-muted:#6b7280;--page-border:rgba(0,0,0,.14)}
+@media (prefers-color-scheme:dark){:root{--page-bg:#101216;--page-text:#e7e9ec;--page-muted:#888780;--page-border:rgba(255,255,255,.15)}}
+*{box-sizing:border-box}
+body{margin:0;background:var(--page-bg);color:var(--page-text);font:14px/1.7 -apple-system,"Segoe UI","Microsoft YaHei",sans-serif}
+.page{max-width:880px;margin:0 auto;padding:36px 20px 80px}
+header{margin-bottom:30px}
+h1{font-size:20px;font-weight:500;margin:0}
+.sub{color:var(--page-muted);font-size:13px;margin:8px 0 0}
+.sec{margin-bottom:40px}
+h2{font-size:16px;font-weight:500;margin:0 0 4px}
+.desc{color:var(--page-muted);font-size:13px;margin:0 0 14px}
+.stage{display:flex;flex-wrap:wrap;gap:12px;align-items:center;border:1px dashed var(--page-border);border-radius:12px;padding:18px 20px}
+.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
+.stage .ua-table,.stage .ua-card{width:100%}
+.out{color:var(--ua-color-accent,#185fa5);font-size:13px}
+footer{color:var(--page-muted);font-size:12px;text-align:center;margin-top:50px}
+</style>
+</head>
+<body>
+<div id="app"></div>
+<footer>由 @ui-arch/frame + @ui-arch/ui 驱动 · 构建产物单文件，无运行时依赖</footer>
+<script>
+${js}
+</script>
+</body>
+</html>
+`;
+
+const outDir = path.join(root, 'apps/demo/dist');
+fs.mkdirSync(outDir, { recursive: true });
+fs.writeFileSync(path.join(outDir, 'demo.html'), html);
+console.log(`demo built -> apps/demo/dist/demo.html (${Math.round(html.length / 1024)} KB)`);