Add cache invalidation to all project/round mutations platform-wide

Mutations for create, update, delete, import, filtering finalize,
override, and reinstate now properly invalidate related queries so
the UI updates without requiring a page refresh.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app/(admin)/admin/projects/import/page.tsx

@@ -28,6 +28,7 @@ import { ArrowLeft, FileSpreadsheet, AlertCircle, Database, FileText } from 'luc
 
 function ImportPageContent() {
   const router = useRouter()
+  const utils = trpc.useUtils()
   const searchParams = useSearchParams()
   const roundIdParam = searchParams.get('round')
 
@@ -175,7 +176,8 @@ function ImportPageContent() {
                 roundId={selectedRoundId}
                 roundName={selectedRound.name}
                 onSuccess={() => {
-                  // Optionally redirect after success
+                  utils.project.list.invalidate()
+                  utils.round.get.invalidate()
                 }}
               />
             </TabsContent>
@@ -184,7 +186,8 @@ function ImportPageContent() {
                 roundId={selectedRoundId}
                 roundName={selectedRound.name}
                 onSuccess={() => {
-                  // Optionally redirect after success
+                  utils.project.list.invalidate()
+                  utils.round.get.invalidate()
                 }}
               />
             </TabsContent>
@@ -193,7 +196,8 @@ function ImportPageContent() {
                 roundId={selectedRoundId}
                 roundName={selectedRound.name}
                 onSuccess={() => {
-                  // Optionally redirect after success
+                  utils.project.list.invalidate()
+                  utils.round.get.invalidate()
                 }}
               />
             </TabsContent>