feat: 提交多个新UI组件模块spec和相关属性设定，包括卡片封装、渐变卡片、列式布局组件等，重写了readme.md，用于AI Coding

AI-Coding/openspec-lite/tasks/extract-layout.yaml

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+# Task Template: 抽取布局体系（library/layouts）
+
+task:
+  id: extract-layout
+  intent: "从本仓库抽取布局体系到目标项目，最小闭包迁移，尽量不改动原仓库代码"
+
+inputs:
+  required:
+    - target_project_type  # vue-cli | vite | other
+    - extraction_style     # copy-module | copy-snippet
+
+scope:
+  entrypoints:
+    - library/layouts/index.vue
+    - library/layouts/VabLayoutVertical/
+    - library/layouts/VabLayoutHorizontal/
+    - library/layouts/VabLayoutCommon/
+    - library/layouts/VabLayoutComprehensive/
+    - library/layouts/VabLayoutFloat/
+    - library/layouts/VabLayoutColumn/
+
+dependency_closure_checklist:
+  runtime:
+    - "Element Plus（el-backtop 等）"
+    - "Theme 组件（library/components/VabTheme）是否随闭包迁移"
+    - "事件总线注入（library/plugins/vab.ts：$pub/$sub/$unsub）是否可用"
+    - "Pinia settings store：src/store/modules/settings（theme/layout/collapse/device）"
+    - "全局样式变量：library/styles/variables/（布局 SCSS 使用的变量）"
+    - "Theme 变量：library/styles/variables/vab-*-variables.module.scss（settings.updateTheme() 依赖）"
+  alias:
+    - "@ -> src"
+    - "@vab -> library"
+
+outputs:
+  required_sections:
+    - changed_files
+    - extracted_modules
+    - dependency_closure
+    - acceptance_commands
+    - risks
+
+acceptance:
+  - "Layout 能渲染"
+  - "切换移动端/桌面端时不崩溃（resize/watch 逻辑生效）"