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）

package.json

@@ -0,0 +1,22 @@
+{
+  "name": "ui-arch",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "description": "Private component library monorepo (@ui-arch)。包管理器固定 pnpm：包间依赖用 workspace:*，npm 不支持。",
+  "scripts": {
+    "build": "tsc -p packages/core/table-core/tsconfig.json && tsc -p packages/core/frame/tsconfig.json && tsc -p packages/skin/ui/tsconfig.json",
+    "typecheck": "tsc -p packages/core/table-core/tsconfig.json --noEmit && tsc -p packages/core/frame/tsconfig.json --noEmit && tsc -p packages/skin/ui/tsconfig.json --noEmit && tsc -p apps/demo/tsconfig.json",
+    "smoke": "node packages/core/table-core/scripts/smoke.mjs",
+    "demo": "node apps/demo/build.mjs",
+    "style": "node packages/tools/cli/bin/ua.js style",
+    "index": "node packages/tools/cli/bin/ua.js index",
+    "docs": "node packages/tools/cli/bin/ua.js index && node packages/tools/cli/bin/ua.js docs",
+    "check": "npm run build && npm run style && npm run typecheck && npm run smoke && npm run index",
+    "ua": "node packages/tools/cli/bin/ua.js"
+  },
+  "devDependencies": {
+    "typescript": "^5.6.0"
+  },
+  "license": "MIT"
+}