feat(admin-ui): shadcn primitives + @/ui barrel (Stage 2.1)

ordinis-admin-ui/src/ui/components/form-actions.tsx

@@ -0,0 +1,22 @@
+import * as React from 'react'
+import { cn } from '@/lib/utils'
+
+/**
+ * FormActions — фиксированная row кнопок [Cancel | Submit] в footer форм.
+ * Reverse на mobile — primary action на bottom (proper UX).
+ */
+export type FormActionsProps = React.HTMLAttributes<HTMLDivElement>
+
+export function FormActions({ className, children, ...props }: FormActionsProps) {
+  return (
+    <div
+      className={cn(
+        'flex flex-col-reverse gap-2 sm:flex-row sm:justify-end pt-3 border-t border-line-2',
+        className,
+      )}
+      {...props}
+    >
+      {children}
+    </div>
+  )
+}