Changelog

Introduced modular Challenge Definition Format (CDF) and Challenge Type Definitions (CTD) for flexible challenge deployment

Added new SQL Injection challenge type with CDF-based starter scenarios

Introduced Edurange Installer with Electron-based setup and configuration

Enforced internal Kubernetes DNS for enhanced security by using local cluster addresses

Switched authentication from session-based to JWT tokens for improved security and scalability

Refactored middleware with JWT-based authentication and role enforcement

Expanded test coverage with new challenge-submission and auth test files

Added edge case tests for concurrency, whitespace, and expired codes

Upgraded to Next.js 15.2.1 and React 19 with major dependency updates

Updated API routes to use NextRequest and fixed enum fields

Overhauled Prisma usage with a single shared client to fix pool timeouts

Adopted transaction-based testing with improved isolation

Implemented real-time resource metrics with Prometheus/Grafana for comprehensive monitoring

Enhanced instance manager with metrics endpoints and fallback data

Added new Admin Dashboard with system health checks and real-time service data

Introduced Challenge Installer with bulk import/edit and module browsing

Refactored Remote Terminal with upgraded xterm.js v5.3.0

Enhanced build process with Webpack and multi-stage Docker builds

Implemented activity logging system with centralized tracking for user actions and challenge events

Added question attempt tracking with correctness and timestamps

Enhanced competitions with optional end dates, improved time picker UI, and access code generation

Added admin competition deletion with confirmation and enhanced logging

Connected challenge instance initialization and termination to frontend

Fixed EOF error with the database-controller

Implemented Competition System with creation, management, and joining flows

Added access code generation and revocation system