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by tarunkorat
Chain package: frontend (Smart Habit Tracker with AI Nudges — frontend) + backend (Smart Habit Tracker with AI Nudges — backend)
Smart Habit Tracker with AI Nudges is a full-stack TypeScript application that helps users build and maintain habits through daily check-ins, AI-generated motivational nudges, and weekly insights. The system tracks habit completion, momentum, and provides personalized recommendations powered by OpenAI.
Frontend:
Backend:
# Install dependencies
npm install
# Set environment variables
export OPENAI_API_KEY="your-openai-api-key"
export PORT=9048
export DATABASE_URL="./habits.db"
# Build and start
npm run build
npm start
# Or run in development mode with hot-reload
npm run dev
The backend server listens on port 9048 by default.
# Install dependencies
npm install
# Development server with hot-reload
npm run dev
# Build for production
npm run build
# Preview production build
npm run preview
# Type checking
npm run typecheck
# Linting
npm run lint
npm run lint:fix
Configure the API base URL via the environment variable (defaults to ).
Spin up an isolated sandbox and run it server-side — no local setup.
Push this product straight into your AI IDE, web builder or cloud IDE.
Download your licensed source snapshot from the library, then follow the setup guide in your workspace.
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VITE_API_BASE_URLhttp://localhost:9048All responses follow the envelope format: { "data": ... } on success, or { "error": "<message>" } on error.
Base URL: http://localhost:9048/api
GET /health — Returns server status and timestampPOST /habits — Create a new habit
{ name, category, target_days?, peak_hour? }GET /habits — List all habits for the userPUT /habits/:id — Update a habitDELETE /habits/:id — Delete a habitPOST /checkins — Log one or more check-ins
{ habit_id, completed, mood?, energy?, note? } or { checkins: [...] }GET /checkins/:habitId — Fetch all check-ins for a habitGET /stats — Get summary stats for all habitsGET /stats/:habitId — Get detailed stats for a specific habitGET /nudges — Fetch pending nudge notificationsPOST /nudges/generate — Trigger AI nudge generationGET /insights/weekly — Fetch the weekly AI-generated insight summary| Variable | Required | Default | Description |
|---|---|---|---|
OPENAI_API_KEY | ✅ | — | OpenAI API key for nudge and insight generation |
PORT | No | 9048 | Backend server port |
DATABASE_URL | No | ./habits.db | SQLite database path |
VITE_API_BASE_URL | No | http://localhost:9048 | Frontend API base URL |
Tetrees License
The sandbox audition completed and the detected runnable path passed.
This Express backend / api completed archive review with strong static results. Structure, dependency manifests, documentation, functional source, and common risk patterns were checked by the Tetrees verification pipeline; runtime phases are stated separately. Final verified scores after isolated runtime evidence: overall 8.8 and security 9.
Deterministic AVCP artifact review
Pipeline avcp-2026-08-04.1 · SHA-256 15a53c579c71922b…
This version-scoped review deterministically inspects the submitted archive for structure, dependencies, documentation, functional source, and common malicious or high-risk signals. Build and test phases are reported as passed only after an isolated sandbox audition. It is not a guarantee of perfect security.
Reviewed Aug 7, 2026
The full install guide and integration prompts unlock after purchase.
$7
