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/[id]/edit/page.tsx

@@ -125,14 +125,19 @@ function EditProjectContent({ projectId }: { projectId: string }) {
   })
 
   // Mutations
+  const utils = trpc.useUtils()
   const updateProject = trpc.project.update.useMutation({
     onSuccess: () => {
+      utils.project.get.invalidate({ id: projectId })
+      utils.project.list.invalidate()
       router.push(`/admin/projects/${projectId}`)
     },
   })
 
   const deleteProject = trpc.project.delete.useMutation({
     onSuccess: () => {
+      utils.project.list.invalidate()
+      utils.round.get.invalidate()
       router.push('/admin/projects')
     },
   })

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>

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

@@ -59,9 +59,12 @@ function NewProjectPageContent() {
   })
 
   // Create mutation
+  const utils = trpc.useUtils()
   const createProject = trpc.project.create.useMutation({
     onSuccess: () => {
       toast.success('Project created successfully')
+      utils.project.list.invalidate()
+      utils.round.get.invalidate()
       router.push(`/admin/projects?round=${selectedRoundId}`)
     },
     onError: (error) => {