Show full country name instead of code in assign dialog

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

src/components/admin/assign-projects-dialog.tsx

@@ -24,6 +24,7 @@ import {
   TableRow,
 } from '@/components/ui/table'
 import { Search, Loader2, Plus, Package } from 'lucide-react'
+import { getCountryName } from '@/lib/countries'
 
 interface AssignProjectsDialogProps {
   roundId: string
@@ -195,7 +196,7 @@ export function AssignProjectsDialog({
                         <TableCell>
                           {project.country ? (
                             <Badge variant="outline" className="text-xs">
-                              {project.country}
+                              {getCountryName(project.country)}
                             </Badge>
                           ) : '—'}
                         </TableCell>