feat: multi-role jury fix, country flags, applicant deadline banner, timeline

- Fix project list returning empty for users with both SUPER_ADMIN and
  JURY_MEMBER roles (jury filter now skips admins) in project, assignment,
  and evaluation routers
- Add CountryDisplay component showing flag emoji + name everywhere
  country is displayed (admin, observer, jury, mentor views — 17 files)
- Add countdown deadline banner on applicant dashboard for INTAKE,
  SUBMISSION, and MENTORING rounds with live timer
- Remove quick action buttons from applicant dashboard
- Fix competition timeline sidebar: green dots/connectors only up to
  current round, yellow dot for current round, red connector into
  rejected round, grey after

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

src/components/admin/round/award-shortlist.tsx

@@ -35,6 +35,7 @@ import {
   AlertTriangle,
   Search,
 } from 'lucide-react'
+import { CountryDisplay } from '@/components/shared/country-display'
 
 type AwardShortlistProps = {
   awardId: string
@@ -342,7 +343,13 @@ export function AwardShortlist({
                                       </a>
                                     </p>
                                     <p className="text-xs text-muted-foreground">
-                                      {[e.project.teamName, e.project.country, e.project.competitionCategory].filter(Boolean).join(', ') || '—'}
+                                      {[e.project.teamName, e.project.competitionCategory].filter(Boolean).length > 0 || e.project.country ? (
+                                        <>
+                                          {[e.project.teamName, e.project.competitionCategory].filter(Boolean).join(', ')}
+                                          {(e.project.teamName || e.project.competitionCategory) && e.project.country ? ', ' : ''}
+                                          {e.project.country && <CountryDisplay country={e.project.country} />}
+                                        </>
+                                      ) : '—'}
                                     </p>
                                   </div>
                                 </td>