Add button for admins to validate orders directly from the calendar

Adds a conditional "Validate Order" button (visible on hover to admins only) to the order cards in the calendar view, allowing for one-click status updates to 'delivered' and invalidating related data queries.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a8a78c07-e900-425c-a577-5b4c5894379d
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/a8a78c07-e900-425c-a577-5b4c5894379d/3ec1Xks

client/src/pages/Calendar.tsx

@@ -228,6 +228,11 @@ export default function Calendar() {
             deliveries={deliveries}
             onDateClick={handleDateClick}
             onItemClick={handleItemClick}
+            user={user}
+            onOrderValidated={() => {
+              queryClient.invalidateQueries({ queryKey: ['/api/orders'] });
+              queryClient.invalidateQueries({ queryKey: ['/api/deliveries'] });
+            }}
           />
         )}
       </div>