Covenant AI Platform

A full-stack contract analysis platform leveraging AI for legal document processing, risk assessment, and opportunity identification.

Key Features

• AI-Powered Analysis - Multi-stage processing of PDF contracts
• Risk Assessment - Severity-graded risk detection
• Opportunity Identification - Impact-rated opportunity discovery
• User Management - OAuth authentication with role-based access
• Payment Integration - Stripe subscription management
• Real-time Dashboard - Interactive results visualization

Technology Stack

Frontend

Component	Technology
Framework	Next.js 14 (App Router)
State Management	React Query + Zustand
UI Library	Shadcn UI
Charts	Recharts
Tables	TanStack Table

Backend

Component	Technology
Runtime	Node.js 20
Framework	Express
Database	MongoDB Atlas
Cache	Redis
Auth	Passport.js + JWT
Payments	Stripe API

Installation

Prerequisites

• Node.js 20+
• MongoDB 7+
• Redis 7+
• Stripe Account
• Google OAuth Credentials

# Clone repository
git clone https://github.com/your-org/covenant-ai.git
cd covenant-ai

Client Setup

cd client
npm install

# Environment variables (create .env)
NEXT_PUBLIC_API_URL=http://localhost:5000
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=your_stripe_key

Server Setup

cd server
npm install

# Environment variables (create .env)
MONGO_URI=mongodb://localhost:27017/covenantai
REDIS_URL=redis://localhost:6379
STRIPE_SECRET_KEY=your_stripe_secret
GOOGLE_CLIENT_ID=your_google_id
GOOGLE_CLIENT_SECRET=your_google_secret
JWT_SECRET=your_jwt_secret

Database Structure

Contract Analysis Schema

erDiagram
    CONTRACT_ANALYSIS {
        ObjectId _id
        ObjectId userId
        string contractText
        IRisk[] risks
        IOpportunity[] opportunities
        string summary
        string[] recommendations
        number overallScore
        date createdAt
        string aiModel
        string contractType
    }
    
    RISK {
        string risk
        string explanation
        string severity
    }
    
    OPPORTUNITY {
        string opportunity
        string explanation
        string impact
    }

AI Processing Workflow

sequenceDiagram
    participant User
    participant Frontend
    participant Backend
    participant AI
    participant Redis
    participant MongoDB
    
    User->>Frontend: Upload PDF Contract
    Frontend->>Backend: POST /api/analyze
    Backend->>Redis: Store raw PDF (temp)
    Backend->>AI: Extract text/type
    AI-->>Backend: Metadata
    Backend->>AI: Analyze risks
    AI-->>Backend: Risk report
    Backend->>AI: Detect opportunities
    AI-->>Backend: Opportunity report
    Backend->>MongoDB: Persist analysis
    Backend-->>Frontend: Analysis results
    Frontend-->>User: Display dashboard

Running the Application

# Start both services (from root directory)
concurrently "cd client && npm run dev" "cd server && npm run start"

# Access interfaces
Frontend: http://localhost:3000
Backend: http://localhost:5000
API Docs: http://localhost:5000/api-docs

Configuration Guide

Required Services

1. MongoDB - Document storage
2. Redis - PDF text caching
3. Stripe - Payment processing
4. Google OAuth - User authentication

Environment Variables

.env.example for client:

NEXT_PUBLIC_API_URL="http://localhost:5000"
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY="pk_test_..."
NEXT_PUBLIC_GOOGLE_CLIENT_ID="..."

.env.example for server:

MONGO_URI="mongodb://localhost:27017/covenantai"
REDIS_URL="redis://localhost:6379"
STRIPE_SECRET_KEY="sk_test_..."
JWT_SECRET="your_jwt_secret_here"

Development Scripts

# Client
npm run dev        # Start development server
npm run build      # Create production build
npm run lint       # Run ESLint

# Server 
npm run start      # Start production server
npm run dev        # Start with nodemon
npm run test       # Run integration tests

License

MIT License - See LICENSE for details