Observer dashboard extraction, PDF reports, jury UX overhaul, and miscellaneous improvements

- Extract observer dashboard to client component, add PDF export button
- Add PDF report generator with jsPDF for analytics reports
- Overhaul jury evaluation page with improved layout and UX
- Add new analytics endpoints for observer/admin reports
- Improve round creation/edit forms with better settings
- Fix filtering rules page, CSV export dialog, notification bell
- Update auth, prisma schema, and various type fixes

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

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

@@ -142,7 +142,7 @@ async function DashboardStats({ editionId, sessionName }: DashboardStatsProps) {
     prisma.user.count({
       where: {
         role: 'JURY_MEMBER',
-        status: { in: ['ACTIVE', 'INVITED'] },
+        status: { in: ['ACTIVE', 'INVITED', 'NONE'] },
         assignments: { some: { round: { programId: editionId } } },
       },
     }),
@@ -751,7 +751,7 @@ async function DashboardStats({ editionId, sessionName }: DashboardStatsProps) {
                           </div>
                           <div className="h-2 rounded-full bg-muted overflow-hidden">
                             <div
-                              className="h-full rounded-full bg-accent transition-all"
+                              className="h-full rounded-full bg-brand-teal transition-all"
                               style={{ width: `${(issue.count / maxIssueCount) * 100}%` }}
                             />
                           </div>