fix: replace raw button with DS Button, add token copy-to-clipboard

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ui/src/pages/LicensePage.tsx

@@ -1,10 +1,13 @@
 import React, { useState } from 'react';
 import {
   Badge,
+  Button,
   Card,
   EmptyState,
   Spinner,
+  useToast,
 } from '@cameleer/design-system';
+import { Copy } from 'lucide-react';
 import { useAuth } from '../auth/useAuth';
 import { useLicense } from '../api/hooks';
 import styles from '../styles/platform.module.css';
@@ -34,6 +37,7 @@ export function LicensePage() {
   const { tenantId } = useAuth();
   const { data: license, isLoading, isError } = useLicense(tenantId ?? '');
   const [tokenExpanded, setTokenExpanded] = useState(false);
+  const { toast } = useToast();
 
   if (isLoading) {
     return (
@@ -149,13 +153,19 @@ export function LicensePage() {
           <p className={styles.description}>
             Use this token when registering Cameleer agents with your tenant.
           </p>
-          <button
-            type="button"
-            className="text-sm text-primary-400 hover:text-primary-300 underline underline-offset-2 focus:outline-none"
-            onClick={() => setTokenExpanded((v) => !v)}
-          >
+          <div style={{ display: 'flex', gap: 8, alignItems: 'center' }}>
+            <Button variant="ghost" size="sm" onClick={() => setTokenExpanded((v) => !v)}>
               {tokenExpanded ? 'Hide token' : 'Show token'}
-          </button>
+            </Button>
+            {tokenExpanded && (
+              <Button variant="ghost" size="sm" onClick={() => {
+                navigator.clipboard.writeText(license.token);
+                toast({ title: 'Token copied to clipboard', variant: 'success' });
+              }}>
+                <Copy size={14} /> Copy
+              </Button>
+            )}
+          </div>
           {tokenExpanded && (
             <div className={styles.tokenBlock}>
               <code className={styles.tokenCode}>