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>

prisma/migrations/20260130000000_init/migration.sql

@@ -5,7 +5,7 @@ CREATE SCHEMA IF NOT EXISTS "public";
 CREATE TYPE "UserRole" AS ENUM ('SUPER_ADMIN', 'PROGRAM_ADMIN', 'JURY_MEMBER', 'MENTOR', 'OBSERVER', 'APPLICANT');
 
 -- CreateEnum
-CREATE TYPE "UserStatus" AS ENUM ('INVITED', 'ACTIVE', 'SUSPENDED');
+CREATE TYPE "UserStatus" AS ENUM ('NONE', 'INVITED', 'ACTIVE', 'SUSPENDED');
 
 -- CreateEnum
 CREATE TYPE "ProgramStatus" AS ENUM ('DRAFT', 'ACTIVE', 'ARCHIVED');