Study Tracker

A fully featured and secure study tracking application.

Features

Layer	Details
Authentication	JWT (15 min access + 7 day refresh), token rotation, session management, bcrypt password hashing
Logging	Daily study hours, subject, notes, mood (1–5)
Dashboard	Weekly bar chart, goal donut ring, streak counter, subject distribution
History	Monthly heatmap + list view
Goals	Color-tagged goal cards, progress bars
Settings	Profile management, password change, active sessions, logout from all devices
Database	SQLite (WAL, FK enabled) — zero configuration
Responsive	Mobile-friendly sidebar + hamburger menu

Installation & Running

npm install
npm start

Then open in your browser:
http://localhost:3000

Development Mode (auto-reload)

npm run dev

Project Structure

├── server.js          ← Express entry point
├── server/
│   ├── db.js          ← SQLite schema & connection
│   ├── auth.js        ← JWT utilities
│   ├── middleware.js  ← authenticate / optionalAuth
│   ├── authRoutes.js  ← /auth/...
│   └── apiRoutes.js   ← /api/...
├── public/
│   ├── index.html
│   ├── css/app.css
│   └── js/
│       ├── api.js     ← Fetch + token refresh logic
│       ├── charts.js  ← Canvas rendering
│       └── app.js     ← Application logic
└── .env               ← JWT_SECRET & PORT