fix: add cascade delete for card-related foreign keys and invalidate … (#31)

* fix: add cascade delete for card-related foreign keys and invalidate workspace cache after deletion

* fix: use refetch instead of invalidate for workspace deletion to ensure immediate UI update

* feat: add cascade delete to card relations and activity tables

apps/web/src/views/settings/components/DeleteWorkspaceConfirmation.tsx

@@ -15,14 +15,19 @@ export function DeleteWorkspaceConfirmation() {
 
   const [isAcknowledgmentChecked, setIsAcknowledgmentChecked] = useState(false);
 
+  const utils = api.useUtils();
+
   const deleteWorkspaceMutation = api.workspace.delete.useMutation({
-    onSuccess: () => {
+    onSuccess: async () => {
       closeModal();
       showPopup({
         header: "Workspace deleted",
         message: "Your workspace has been deleted.",
         icon: "success",
       });
+
+      await utils.workspace.all.refetch();
+      
       const filteredWorkspaces = availableWorkspaces.filter(
         (ws) => ws.publicId !== workspace.publicId,
       );