AthletIQ — Personal Training Tracker

An all-in-one personal tracker for training sessions, diet logging, body metrics, and goals — with AI-powered insights via Claude.

Tech Stack

• Next.js 14 (App Router) + TypeScript strict
• Tailwind CSS v3 + Lucide React icons
• Prisma v6 + SQLite (better-sqlite3 adapter)
• NextAuth v5 with Credentials provider
• Recharts for data visualisation
• Anthropic SDK (claude-sonnet-4-6) for AI insights

Setup

1. Install dependencies

npm install

2. Configure environment

cp .env.local.example .env.local

Edit .env.local:

• AUTH_SECRET — generate with openssl rand -hex 32
• ANTHROPIC_API_KEY — your Anthropic API key
• DATABASE_URL — leave as file:./prisma/dev.db for local SQLite

3. Generate Prisma client and push schema

npx prisma generate
npx prisma db push

4. Seed the default user

curl -X POST http://localhost:3000/api/seed

Or after starting the dev server, visit POST /api/seed with any HTTP client.

Default credentials:

• Email: admin@athletiq.com
• Password: athletiq123

5. Start the dev server

npm run dev

Open http://localhost:3000.

Project Structure

src/
  app/
    (auth)/login/       — Login page
    (dashboard)/        — Protected dashboard layout + routes
      page.tsx          — Dashboard home
    api/
      auth/[...nextauth]/ — NextAuth handlers
      seed/             — Database seed endpoint
    globals.css
    layout.tsx          — Root layout with SessionProvider
  components/
    Sidebar.tsx         — Navigation sidebar (collapsible on mobile)
  lib/
    auth.ts             — NextAuth v5 config
    prisma.ts           — Prisma client (better-sqlite3 adapter)
  types/
    index.ts            — TypeScript interfaces
prisma/
  schema.prisma         — Database schema

Models

Model	Description
User	Authentication + profile
TrainingSession	Runs, rides, swims, strength, yoga, etc.
DietEntry	Meal logging with macro breakdown
BodyMetric	Weight, HR, sleep, HRV, VO2max
Goal	Targets with progress tracking

Prisma Studio

npm run prisma:studio