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/lib/auth.ts

@@ -238,8 +238,8 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
           return false // Block suspended users
         }
 
-        // Update status from INVITED to ACTIVE on first login
-        if (dbUser?.status === 'INVITED') {
+        // Update status to ACTIVE on first login (from NONE or INVITED)
+        if (dbUser?.status === 'INVITED' || dbUser?.status === 'NONE') {
           await prisma.user.update({
             where: { email: user.email! },
             data: { status: 'ACTIVE' },