refactor: update UI components to utilize Frame for improved layout and consistency

Refactored multiple components, including PanelCard, SettingsCard, and DataGridShell, to replace Card with Frame for better organization and presentation. Enhanced the DataGridToolbar to support optional ReUI filters and improved the overall structure of the KPI stat grid. Updated .gitignore to include .env.local for local environment configurations, ensuring better management of environment variables.

.cursor/rules/web-shadcn.mdc

@@ -22,9 +22,12 @@ alwaysApply: false
 |------|------|------------|
 | shadcn-примитивы | `packages/ui/src/components/` | output `shadcn add` (не трогать под кейс) |
 | ReUI enterprise | `apps/web/src/components/reui/` | output `shadcn add @reui/*` |
-| Shared обёртки | `apps/web/src/components/` | PageHeader, QueryState, ConfirmDialog, StatusBadge, SectionCards, LoadingButton |
+| Shared обёртки | `apps/web/src/components/` | PageHeader, QueryState, ConfirmDialog, StatusBadge, LoadingButton |
+| ReUI kit | `apps/web/src/components/reui-kit/` | ResourcePage, KpiStatGrid, OpsDashboard, SettingsShell |
 | Роуты | `apps/web/src/routes/` | TanStack Router (file-based) |
 
+**Design contract:** [`docs/ui-design-contract.md`](../../docs/ui-design-contract.md). Surface: **frame**. KPI: [stats-12](https://reui.io/preview/base/stats-12). Lists: [data-grid-filtering-2](https://reui.io/preview/base/data-grid-filtering-2).
+
 Тема: `packages/ui/src/styles/globals.css`. CLI из `apps/web`: `pnpm dlx shadcn@latest add <component>`.
 
 ## Правила
@@ -45,8 +48,8 @@ alwaysApply: false
 **WEB-05** | MUST | Формы — `react-hook-form` + Zod; через `FormField`/`Form` обёртки.
 *Проверка:* https://ui.shadcn.com/docs/components/form
 
-**WEB-06** | MUST | Сложные data-списки — ReUI `DataGridCard` (ReUI data-grid, не shadcn Data Table). Простые списки — shadcn `Table`.
-*Проверка:* `@/components/reui/data-grid` или `@evobgp/ui/components/table`.
+**WEB-06** | MUST | Сложные data-списки — Frame + ReUI DataGrid через `reui-kit/ResourcePage` или `DataGridSection` (не Card shell, не shadcn Data Table). Surface lock: `UI_SURFACE = 'frame'` (`lib/ui-surface.ts`). Простые списки — shadcn `Table`.
+*Проверка:* `@/components/reui-kit`, `@/components/reui/data-grid`, `docs/ui-design-contract.md`.
 
 **WEB-07** | MUST | Toast — `sonner` (`Toaster` в `main.tsx`); `toast.success/error/message` из `sonner`.
 *Проверка:* https://ui.shadcn.com/docs/components/sonner