feat(backup): add enterprise backup & restore foundation

frontend/athena/components/Sidebar.tsx

@@ -6,6 +6,7 @@ import {
   BookOpen,
   ClipboardList,
   FileText,
+  HardDriveDownload,
   LayoutDashboard,
   Package,
   Settings,
@@ -78,6 +79,12 @@ const menu = [
     name: "Dokumente",
     href: "/documents",
   },
+  {
+    icon: HardDriveDownload,
+    name: "Backups",
+    href: "/backups",
+    permission: "backup.read",
+  },
   {
     icon: Settings,
     name: "Einstellungen",
@@ -135,7 +142,7 @@ export default function Sidebar() {
       </nav>
 
       <div className="border-t border-slate-800 p-4 text-sm text-slate-400">
-        Olympus CRM v0.1
+        Olympus CRM v0.9.1
       </div>
     </aside>
   );

frontend/athena/components/common/ConfirmDialog.tsx

@@ -18,6 +18,8 @@ type Props = {
   description: string;
   confirmLabel?: string;
   pending?: boolean;
+  pendingLabel?: string;
+  confirmDisabled?: boolean;
   children?: ReactNode;
   onOpenChange: (open: boolean) => void;
   onConfirm: () => void;
@@ -29,6 +31,8 @@ export default function ConfirmDialog({
   description,
   confirmLabel = "Löschen",
   pending = false,
+  pendingLabel = "Wird gelöscht...",
+  confirmDisabled = false,
   children,
   onOpenChange,
   onConfirm,
@@ -56,9 +60,9 @@ export default function ConfirmDialog({
             type="button"
             variant="destructive"
             onClick={onConfirm}
-            disabled={pending}
+            disabled={pending || confirmDisabled}
           >
-            {pending ? "Wird gelöscht..." : confirmLabel}
+            {pending ? pendingLabel : confirmLabel}
           </Button>
         </DialogFooter>
       </DialogContent>