feat(web): align NavUser chrome and ReUI PRO kit

Тема в NavUser вместо ModeToggle в header; общие kpi-cols для KPI/Quick Actions; WEB-01 → user-reui; skill 42d70dcc3d и design contract.

Co-authored-by: Cursor <cursoragent@cursor.com>

.opencode/skills/reui/rules/cli.md

@@ -29,6 +29,8 @@ REUI_LICENSE_KEY=your-license-key
 }
 ```
 
+The shadcn CLI expands `${REUI_LICENSE_KEY}` from `.env.local` inside `components.json`, but an MCP client config never expands variables, so a ReUI MCP server config must carry the raw token instead (for example `reui_pat_your_token_here`).
+
 The MCP `get_project_context` tool returns the right config. Full guide: https://reui.io/docs/registry
 
 ## Installing