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/core/table-core/ua.manifest.json

@@ -0,0 +1,45 @@
+{
+  "name": "@ui-arch/table-core",
+  "type": "headless-core",
+  "description": "Headless table state machine: immutable state, dispatch/reducer, composable derive pipeline (filter -> sort -> paginate) with per-stage memoization. No DOM, no framework dependency.",
+  "tags": [
+    "table",
+    "headless",
+    "state-machine",
+    "datagrid"
+  ],
+  "api": {
+    "entry": "src/index.ts",
+    "exports": [
+      "createTable(options) -> TableInstance: create headless table instance",
+      "sortPlugin(options?) -> multi-column sorting plugin (asc -> desc -> off cycle)",
+      "filterPlugin(options?) -> column filter plugin (default substring match, custom predicate supported)",
+      "paginationPlugin() -> client-side pagination with page clamping, exposes setPage/nextPage/prevPage/getPageInfo",
+      "selectionPlugin() -> rowKey-based selection, exposes selectAllVisible"
+    ],
+    "keyTypes": [
+      "ColumnDef",
+      "TableState",
+      "TablePlugin",
+      "RowModel",
+      "Action"
+    ]
+  },
+  "usage": "const table = createTable({ data, columns, rowKey: 'id', plugins: [filterPlugin(), sortPlugin(), paginationPlugin()], initialState: { pagination: { page: 1, pageSize: 20 } } }); table.dispatch({ type: 'toggleSort', key: 'name' }); table.getVisibleRows()",
+  "conventions": [
+    "selection/expanded must store rowKey, never row index",
+    "derive pipeline order is fixed: filter -> sort -> paginate",
+    "actions are the only way to mutate state; state is immutable"
+  ],
+  "docs": {
+    "intro": "Headless 表格内核：不渲染任何 DOM，只管理状态与派生。任何渲染层通过 getVisibleRows() 拿行模型，配 subscribe() 刷新。",
+    "steps": [
+      "创建实例：const table = createTable({ data, columns, rowKey: 'id', plugins: [filterPlugin(), sortPlugin(), paginationPlugin()] })",
+      "取派生数据：table.getVisibleRows() 返回 { rows, total }；total 语义固定 = 筛选后、分页前的行数",
+      "变更状态：只能 dispatch action，如 table.dispatch({ type: 'toggleSort', key: 'name' })；状态不可变",
+      "订阅刷新：table.subscribe(fn)，fn 里重新 getVisibleRows() 并交给渲染层",
+      "分页信息：api.getPageInfo() 返回 { page, pageSize, totalPages }；越界页码自动钳制",
+      "扩展能力：实现 TablePlugin（derive / patchState / api 三钩子）传入 plugins 即插入管线"
+    ]
+  }
+}