feat: Payment Compliance in Sidebar Navigation

Neuer Sidebar-Eintrag "Payment / Terminal" mit Kreditkarten-Icon
zwischen CE/IACE und Zusatzmodule.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

admin-compliance/components/sdk/Sidebar/SDKSidebar.tsx

@@ -546,6 +546,28 @@ export function SDKSidebar({ collapsed = false, onCollapsedChange }: SDKSidebarP
           />
         </div>
 
+        {/* Payment Compliance */}
+        <div className="border-t border-gray-100 py-2">
+          {!collapsed && (
+            <div className="px-4 py-2 text-xs font-medium text-gray-400 uppercase tracking-wider">
+              Payment / Terminal
+            </div>
+          )}
+          <AdditionalModuleItem
+            href="/sdk/payment-compliance"
+            icon={
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
+                  d="M3 10h18M7 15h1m4 0h1m-7 4h12a3 3 0 003-3V8a3 3 0 00-3-3H6a3 3 0 00-3 3v8a3 3 0 003 3z" />
+              </svg>
+            }
+            label="Payment Compliance"
+            isActive={pathname?.startsWith('/sdk/payment-compliance') ?? false}
+            collapsed={collapsed}
+            projectId={projectId}
+          />
+        </div>
+
         {/* Additional Modules */}
         <div className="border-t border-gray-100 py-2">
           {!collapsed && (