feat(web): NavUser chrome и унификация ReUI PRO kit

Тема в NavUser вместо ModeToggle в header; KpiStatGrid/QuickActionGrid по эталону EvoBGP; обновлены rules и contract.

Co-authored-by: Cursor <[email protected]>

.cursor/rules/reui.mdc

@@ -3,6 +3,7 @@ description: Use the ReUI registry (blocks, primitives, icons) correctly
 globs: ["**/*.tsx","**/*.ts"]
 alwaysApply: false
 ---
+
 ---
 name: reui
 description: Use the ReUI registry from your AI agent - find, install, and correctly use ReUI components (the 17 free building blocks like data-grid, kanban, filters), their free examples, premium blocks, and Motion Icons. Applies in any project using ReUI, the @reui registry, REUI_LICENSE_KEY, or any shadcn project where the user asks for premium blocks, data grids, kanban boards, dashboards, or full pages. Pairs with the free ReUI MCP server for live, scored registry search and inline component APIs.
@@ -42,7 +43,7 @@ Run ReUI as explicit slash commands (via the ReUI MCP) **or** just ask in plain
 
 | Command     | Invoke                         | Does                                                                                                               |
 | ----------- | ------------------------------ | ------------------------------------------------------------------------------------------------------------------ |
-| **build**   | `/mcp__reui__build <what>`     | Compose a page/section/feature from ReUI: plan в†’ install в†’ read API в†’ adapt в†’ craft в†’ audit.                       |
+| **build**   | `/mcp__reui__build <what>`     | Compose a page/section/feature from ReUI: plan → install → read API → adapt → craft → audit.                       |
 | **add**     | `/mcp__reui__add <item>`       | Find & install one component/example/block/icon and wire it in.                                                    |
 | **fix**     | `/mcp__reui__fix [target]`     | Diagnose & fix ReUI usage: wrong/undocumented props, base/radix mismatch, missing states, a11y/scroll.             |
 | **improve** | `/mcp__reui__improve [target]` | Refine + extend existing ReUI UI to a production-exceptional bar (hierarchy, density, states, responsive, motion). |