Fix round deletion FK constraint with migration and defensive code

- Add SQL migration to CASCADE Evaluation.formId and SET NULL ProjectFile.roundId
- Explicitly delete evaluations in round delete transaction as defensive measure
- Make sidebar Apply Page link dynamic using current edition context

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/layouts/admin-sidebar.tsx

@@ -38,6 +38,7 @@ import {
 import { getInitials } from '@/lib/utils'
 import { Logo } from '@/components/shared/logo'
 import { EditionSelector } from '@/components/shared/edition-selector'
+import { useEdition } from '@/contexts/edition-context'
 import { UserAvatar } from '@/components/shared/user-avatar'
 import { NotificationBell } from '@/components/shared/notification-bell'
 import { trpc } from '@/lib/trpc/client'
@@ -145,10 +146,19 @@ export function AdminSidebar({ user }: AdminSidebarProps) {
   const pathname = usePathname()
   const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false)
   const { data: avatarUrl } = trpc.avatar.getUrl.useQuery()
+  const { currentEdition } = useEdition()
 
   const isSuperAdmin = user.role === 'SUPER_ADMIN'
   const roleLabel = roleLabels[user.role || ''] || 'User'
 
+  // Build dynamic admin nav with current edition's apply page
+  const dynamicAdminNav = adminNavigation.map((item) => {
+    if (item.name === 'Apply Page' && currentEdition?.id) {
+      return { ...item, href: `/admin/programs/${currentEdition.id}/apply-settings` }
+    }
+    return item
+  })
+
   return (
     <>
       {/* Mobile menu button */}
@@ -235,7 +245,7 @@ export function AdminSidebar({ user }: AdminSidebarProps) {
                 <p className="mb-2 px-3 text-[11px] font-semibold uppercase tracking-wider text-muted-foreground/60">
                   Administration
                 </p>
-                {adminNavigation.map((item) => {
+                {dynamicAdminNav.map((item) => {
                   let isActive = pathname.startsWith(item.href)
                   if (item.activeMatch) {
                     isActive = pathname.includes(item.activeMatch)