All notable changes to PrepIQ will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

• AI-powered interview prep session generation via OpenRouter
• Mock interview module with AI scoring and model feedback
• Job application tracker with Kanban and table views
• Progress dashboard with visual analytics and Recharts
• Career DNA profiling with multi-step onboarding wizard
• Local ML/NLP pipeline using spaCy NER, TF-IDF, TextBlob
• Docker Compose setup for full-stack local development
• GitHub Actions CI for automated testing
• Deployment on Vercel (frontend) and Render (backend)
• Neon PostgreSQL for managed cloud database

• Improved auth token security with HMAC signing and PBKDF2 hashing
• Migrated from SQLite-only to PostgreSQL with SQLite fallback for tests

• Initial release of PrepIQ
• User account management with signup and login
• Secure token-based session handling
• Basic career profile creation
• REST API with FastAPI backend
• React 18 frontend with TypeScript and Tailwind CSS
• Environment variable configuration via .env.example
• SQLite support for local development