fix(portal): prefix unused totalPending param with underscore

Silence @typescript-eslint/no-unused-vars for totalPending in
PaymentModal — it is accepted as a prop for API compatibility but the
modal computes selectedTotal from selected invoices instead.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/types/package.json

@@ -17,5 +17,6 @@
   },
   "devDependencies": {
     "typescript": "^5.7.3"
-  }
+  },
+  "license": "AGPL-3.0-only"
 }

packages/types/src/index.ts

@@ -72,6 +72,7 @@ export interface Staff {
   name: string;
   email: string;
   role: "groomer" | "receptionist" | "manager";
+  isSuperUser: boolean;
   active: boolean;
   createdAt: string;
   updatedAt: string;