feat: implement v0.1.0-beta with auto-login, version management, and dynamic changelog

- Add auto-login after OTP verification with token-based authentication
- Implement centralized version management across frontend and backend
- Create dynamic changelog page fetching from GitHub CHANGELOG.md
- Update all packages to v0.1.0-beta for consistency
- Add version badge and update README banner

BREAKING CHANGE: OTP verification endpoint now returns AuthResponse with tokens

fix : minor bug fix

Author: Celestial-0

CHANGELOG.md

@@ -0,0 +1,123 @@
+# Changelog
+
+All notable changes to CodeNotify will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0-beta] - 2026-01-06
+
+### Added
+- **Auto-Login After Email Verification**: New users are automatically logged in after verifying their email via OTP
+- **Centralized Version Management**: Single source of truth for version numbers across frontend, backend, and documentation
+- **Multi-Platform Contest Tracking**: Support for Codeforces, LeetCode, CodeChef, and AtCoder
+- **Email OTP Verification System**: Secure 6-digit OTP with rate limiting and attempt tracking
+- **Professional Changelog Page**: Timeline-based version history display with categorized changes
+- **Admin Dashboard**: Contest management interface with platform sync functionality
+- **Contest Notifications**: Email, WhatsApp, and push notification support
+- **Calendar Integration**: Export contests to calendar (ICS format)
+
+### Improved
+- **Authentication Flow**: Streamlined signup → verify → auto-login process
+- **Dashboard UI**: Mobile-first responsive design with enhanced contest cards
+- **Dark Mode**: Full dark mode support across all pages
+- **Contest Filtering**: Advanced filtering by platform, difficulty, and status
+
+### Security
+- **JWT Token Rotation**: Implemented refresh token rotation for enhanced security
+- **OTP Rate Limiting**: Added rate limiting and attempt tracking for OTP verification
+- **Email Verification**: Required email verification for premium features
+
+### Fixed
+- **TypeScript Errors**: Resolved missing imports and type issues
+- **Mobile Responsiveness**: Fixed layout issues on mobile devices
+- **Contest Sync**: Improved reliability of contest data synchronization
+
+## [0.0.1-alpha] - 2025-10-16
+
+### Added
+- **Core Backend Infrastructure**: NestJS, MongoDB, and BullMQ for robust scheduling
+- **Frontend Foundation**: Next.js 15 with Tailwind CSS, Zustand, and React Query
+- **Authentication System**: JWT-based auth with Google OAuth integration
+- **Google OAuth Login**: Social authentication using Google accounts
+- **Contest Sync Service**: Automated contest data synchronization from multiple platforms
+- **User Preferences**: Customizable notification settings and platform preferences
+- **Role-Based Access Control**: Admin and user roles with protected routes
+
+### Technical
+- **Database Schema**: MongoDB schemas for users, contests, and notifications
+- **API Documentation**: Comprehensive API reference and guides
+- **Email Templates**: React-based email templates with Resend integration
+- **Scheduler Jobs**: Automated contest sync and notification jobs
+
+---
+
+## [Unreleased]
+
+### Planned Features
+
+#### Enhanced Notifications
+- WhatsApp notifications via Twilio
+- Push notifications via Firebase/FCM
+- Telegram bot integration
+- Discord webhook integration
+- SMS notifications for critical alerts
+- Customizable notification templates
+
+#### Advanced Contest Features
+- Contest recommendations based on user skill level
+- Contest history and participation tracking
+- Personal contest calendar with reminders
+- Contest difficulty predictions using ML
+- Virtual contest creation and management
+- Contest performance analytics
+
+#### User Experience
+- Additional social authentication (GitHub, LinkedIn)
+- Two-factor authentication (2FA) with TOTP
+- Progressive Web App (PWA) support
+- Mobile applications (iOS & Android)
+- Browser extensions for quick access
+- Customizable dashboard widgets
+
+#### Platform Integrations
+- HackerRank integration
+- TopCoder integration
+- HackerEarth integration
+- GeeksforGeeks integration
+- Custom platform adapter support
+
+#### Analytics & Insights
+- User activity dashboard
+- Contest participation statistics
+- Platform popularity trends
+- Notification delivery analytics
+- Performance metrics and monitoring
+- A/B testing framework
+
+#### Collaboration Features
+- Team contest tracking
+- Shared notification groups
+- Contest discussion forums
+- Study group management
+- Leaderboards and achievements
+
+#### Developer Tools
+- Public API with rate limiting tiers
+- Webhooks for real-time updates
+- GraphQL API endpoint
+- SDK for popular languages
+- CLI tool for power users
+
+---
+
+## Version History
+
+- **v0.1.0-beta** (2026-01-06) - Initial public beta release
+- **v0.0.1-alpha** (2025-10-16) - Internal alpha testing
+
+## Links
+
+- [GitHub Repository](https://github.com/Celestial-0/CodeNotify)
+- [Documentation](https://celestial-0.github.io/CodeNotify/)
+- [Report Issues](https://github.com/Celestial-0/CodeNotify/issues)

README.md

@@ -1,9 +1,11 @@
 # CodeNotify
 
+![Version](https://img.shields.io/badge/version-0.1.0--beta-blue)
+
 > **Smart Contest Alert System**  
 > Never miss a competitive programming contest again. Get personalized notifications from Codeforces, LeetCode, CodeChef, and AtCoder.
 
-![CodeNotify Banner](https://v8sn4u5d65xaovfn.public.blob.vercel-storage.com/CodeNotify%20light.png)
+![CodeNotify Banner](https://github.com/Celestial-0/CodeNotify/blob/main/client/web/assets/public/icon.png?raw=true)
 
 ## 📚 Documentation
 

client/web/app/changelog/layout.tsx

@@ -0,0 +1,14 @@
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+    title: "Changelog | CodeNotify",
+    description: "Track the evolution of CodeNotify. Stay updated with new features, improvements, and bug fixes.",
+};
+
+export default function ChangelogLayout({
+    children,
+}: {
+    children: React.ReactNode;
+}) {
+    return children;
+}