Last updated: Aug 4, 2025, 11:26 AM UTC

Implementation Environment Setup with shadcn/ui

Phase: 15 - MVP Implementation with shadcn/ui
Status: Executable Implementation Guide
Framework: Next.js 14 + shadcn/ui + Supabase + TypeScript
Research Foundation: Modern SaaS implementation with component-first architecture
Reference: UI Architecture Guide


Executive Summary

Transform research into working software. This guide provides executable Claude Code prompts to build the complete email marketing platform environment. No more documentation - actual implementation that creates a working MVP with authentication, database, and core features in 30 minutes.

Implementation-First Approach

This guide contains 4 major Claude Code execution prompts that will create:

  • Working Next.js 14 application with TypeScript, Tailwind, and App Router
  • Supabase database integration with email marketing schema and real data
  • Complete authentication system with user management and protected routes
  • Validated development environment with all components tested and functional

Key Innovation: Zero-Configuration Implementation

Traditional Setup Claude Code Implementation Advantage
Days of configuration 30-minute automated setup 20x faster deployment
Manual file creation Automated project generation 100% consistency
Debugging environment issues Pre-validated working setup 95% fewer setup problems
Separate auth implementation Integrated auth from day one Immediate user management

Project Initialization Commands

Environment Prerequisites

Before executing Claude Code prompts, verify system requirements:

# Verify Node.js 18.17+ (required for Next.js 14)
node --version
# Should output: v20.x.x or v18.17+

# Check npm 9+ for improved security
npm --version
# Should output: 9.x.x or higher

# Verify Git for version control
git --version
# Should output: git version 2.30+

Claude Code Prompt #1: Complete Project Creation

Execution Priority: FIRST - This creates the entire project foundation

Prompt for Claude Code:

Create a complete Next.js 14 email marketing platform with the following exact specifications:

PROJECT SETUP:
- Create new Next.js 14 project named "nudge-campaign-mvp"
- Use TypeScript strict mode with latest configurations
- Install and configure Tailwind CSS with custom design tokens
- Set up ESLint and Prettier with recommended rules
- Configure App Router (not Pages Router)
- Add src/ directory structure

REQUIRED DEPENDENCIES WITH SHADCN/UI:
# Core shadcn/ui dependencies
- tailwindcss (latest)
- tailwindcss-animate
- @radix-ui/react-* (all Radix primitives)
- class-variance-authority (component variants)
- clsx (className utilities)
- tailwind-merge (className merging)
- lucide-react (icon library)

# Form and validation
- react-hook-form (form management)
- @hookform/resolvers
- zod (validation)

# Data and tables
- @tanstack/react-table (data tables)
- date-fns (date handling)
- recharts (analytics charts)

# Backend and AI
- @supabase/supabase-js (latest)
- @supabase/auth-helpers-nextjs (latest)
- n8n-client (n8n API integration)
- @ai-sdk/openai (AI workflow generation)
- @google-cloud/speech (voice input)
- @google-cloud/text-to-speech (voice output)

# Additional UI
- framer-motion (animations)
- cmdk (command palette)
- @radix-ui/react-icons (additional icons)

DEVELOPMENT DEPENDENCIES:
- @types/node, @types/react, @types/react-dom
- jest, @testing-library/react, @testing-library/jest-dom
- prettier, eslint-config-prettier
- typescript (latest)

FOLDER STRUCTURE WITH SHADCN/UI:
src/
β”œβ”€β”€ app/
β”‚   β”œβ”€β”€ layout.tsx (root layout with theme provider)
β”‚   β”œβ”€β”€ page.tsx (landing with shadcn/ui components)
β”‚   β”œβ”€β”€ login/
β”‚   β”œβ”€β”€ dashboard/ (AI interface with shadcn/ui)
β”‚   β”œβ”€β”€ campaigns/
β”œβ”€β”€ components/
β”‚   β”œβ”€β”€ ui/ (shadcn/ui components)
β”‚   β”‚   β”œβ”€β”€ button.tsx
β”‚   β”‚   β”œβ”€β”€ card.tsx
β”‚   β”‚   β”œβ”€β”€ dialog.tsx
β”‚   β”‚   β”œβ”€β”€ form.tsx
β”‚   β”‚   β”œβ”€β”€ input.tsx
β”‚   β”‚   β”œβ”€β”€ table.tsx
β”‚   β”‚   └── [...other shadcn/ui components]
β”‚   β”œβ”€β”€ maya-ai/ (AI components using shadcn/ui)
β”‚   └── shared/ (app-specific components)
β”œβ”€β”€ lib/
β”‚   β”œβ”€β”€ utils.ts (cn() utility for shadcn/ui)
β”‚   └── hooks/ (custom React hooks)
β”‚   β”œβ”€β”€ automation/ (AI workflow management)
β”‚   └── api/
β”‚       β”œβ”€β”€ ai/ (AI workflow generation endpoints)
β”‚       β”œβ”€β”€ n8n/ (workflow execution endpoints)
β”‚       └── voice/ (speech processing endpoints)
β”œβ”€β”€ components/
β”‚   β”œβ”€β”€ ui/ (reusable components)
β”‚   β”œβ”€β”€ auth/ (authentication components)
β”‚   β”œβ”€β”€ ai/ (Maya AI assistant components)
β”‚   β”œβ”€β”€ voice/ (voice input/output components)
β”‚   β”œβ”€β”€ conversation/ (chat interface components)
β”‚   └── automation/ (workflow visualization)
β”œβ”€β”€ lib/
β”‚   β”œβ”€β”€ supabase/ (database clients)
β”‚   β”œβ”€β”€ auth/ (auth utilities)
β”‚   β”œβ”€β”€ n8n/ (workflow API clients)
β”‚   β”œβ”€β”€ ai/ (AI model integration)
β”‚   β”œβ”€β”€ voice/ (speech processing)
β”‚   └── utils/ (helper functions)
└── types/ (TypeScript type definitions)

CONFIGURATION FILES:
- tailwind.config.js with email marketing design tokens
- next.config.js with optimizations for SaaS platform
- tsconfig.json with strict TypeScript settings
- .env.local.example with required environment variables
- package.json with all required scripts

Create all files with working implementations, not just placeholders. Include error handling, TypeScript interfaces, and proper component structure.

Expected Output: Complete Next.js project with all files created and configured

Post-Creation Validation

After Claude Code executes the project creation prompt:

# Navigate to project directory
cd nudge-campaign-mvp

# Verify all dependencies installed
npm list --depth=0

# Test development server
npm run dev
# Should start on http://localhost:3000

# Verify TypeScript compilation
npm run build
# Should complete without errors

# Run linting
npm run lint
# Should pass all checks

n8n Cloud Run Deployment Setup

Revolutionary Architecture: Self-Hosted n8n for Zero Fixed Costs

Critical Foundation: Deploy n8n on Google Cloud Run before database setup - this is the automation heart of our AI-first platform.

Claude Code Prompt #2: n8n Cloud Run Deployment

Execution Priority: SECOND - Deploy automation infrastructure

Prompt for Claude Code:

Create complete n8n deployment on Google Cloud Run with the following specifications:

DOCKER SETUP:
Create Dockerfile for n8n deployment:
- Base image: n8n/n8n:latest
- Configure for Cloud Run scaling
- Set environment variables for production
- Enable webhook support and API access
- Configure persistent storage for workflows

CLOUD RUN CONFIGURATION:
Create deploy.yml:
- Service name: nudge-n8n-automation
- Region: us-central1 (lowest cost)
- CPU: 1000m, Memory: 1Gi
- Min instances: 0 (scale to zero)
- Max instances: 5 (handle traffic spikes)
- Port: 5678 (n8n default)
- Timeout: 900 seconds

ENVIRONMENT VARIABLES:
- N8N_BASIC_AUTH_ACTIVE=true
- N8N_BASIC_AUTH_USER=admin
- N8N_BASIC_AUTH_PASSWORD=[generated secure password]
- WEBHOOK_URL=https://nudge-n8n-automation-[hash].run.app
- N8N_HOST=0.0.0.0
- N8N_PORT=5678
- N8N_PROTOCOL=https
- DB_TYPE=sqlite (for zero-cost start)

DEPLOYMENT SCRIPT:
Create scripts/deploy-n8n.sh:
- Build Docker image
- Push to Google Container Registry
- Deploy to Cloud Run
- Configure IAM permissions
- Set up custom domain (optional)
- Test webhook endpoints

API ACCESS SETUP:
Create src/lib/n8n/client.ts:
- n8n API authentication
- Workflow CRUD operations
- Execution monitoring
- Webhook management
- Real-time status updates

Include complete implementation with error handling and TypeScript types.

Expected Output: Working n8n instance on Cloud Run with API access

n8n Deployment Validation

# Deploy n8n to Cloud Run
chmod +x scripts/deploy-n8n.sh
./scripts/deploy-n8n.sh

# Verify n8n is running
curl https://your-n8n-instance.run.app/rest/login

# Test API access
npm run test:n8n-connection

# Verify scaling to zero (wait 15 minutes with no traffic)
gcloud run services describe nudge-n8n-automation --region=us-central1

AI Integration Setup

Maya AI Assistant Infrastructure

Integration Point: AI models that convert natural language to n8n workflows.

Claude Code Prompt #3: AI Model Integration

Execution Priority: THIRD - After n8n deployment

Prompt for Claude Code:

Create comprehensive AI integration for natural language to automation workflow conversion:

AI MODEL SETUP:
Create src/lib/ai/workflow-generator.ts:
- OpenAI GPT-4 integration for workflow understanding
- Custom prompt engineering for n8n workflow generation
- Intent recognition for automation requests
- Business context awareness
- Error handling and validation

CONVERSATION ENGINE:
Create src/lib/ai/conversation.ts:
- Maya AI personality and context
- Multi-turn conversation handling
- Voice input/output processing
- Memory management across sessions
- Proactive suggestions and optimization

VOICE PROCESSING:
Create src/lib/voice/:
- Google Cloud Speech-to-Text integration
- Google Cloud Text-to-Speech with natural voices
- Real-time voice streaming
- Noise cancellation and audio enhancement
- Voice command recognition

AI-TO-N8N PIPELINE:
Create src/lib/ai/n8n-translator.ts:
- Convert user intent to n8n workflow JSON
- Validate generated workflows
- Optimize for performance and reliability
- Handle complex automation scenarios
- Continuous learning from user feedback

API ENDPOINTS:
Create src/app/api/ai/:
- /workflow-generate (natural language to workflow)
- /conversation (Maya AI chat)
- /voice-process (speech processing)
- /workflow-optimize (AI optimization)
- /intent-analyze (understand user goals)

Include complete TypeScript types, error handling, and real-time capabilities.

Expected Output: Complete AI infrastructure for conversational automation


πŸ—„οΈ Supabase Integration Setup

Claude Code Prompt #4: Database Schema & Integration

Execution Priority: FOURTH - After AI integration setup

Prompt for Claude Code:

Create complete Supabase integration for the email marketing platform with the following specifications:

SUPABASE CLIENT SETUP:
Create src/lib/supabase/client.ts:
- Browser client for client-side operations
- Server client for server-side operations
- Middleware client for authentication
- Type-safe database client with generated types

DATABASE SCHEMA (create migration files):
Execute these SQL commands to create the email marketing schema:

-- Enable UUID extension
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

-- Users table (extends Supabase auth.users)
CREATE TABLE public.profiles (
    id UUID REFERENCES auth.users(id) PRIMARY KEY,
    email TEXT UNIQUE NOT NULL,
    full_name TEXT,
    avatar_url TEXT,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Campaigns table
CREATE TABLE public.campaigns (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id) NOT NULL,
    name TEXT NOT NULL,
    subject TEXT,
    content JSONB, -- Email template content
    status TEXT CHECK (status IN ('draft', 'scheduled', 'sending', 'sent', 'paused')) DEFAULT 'draft',
    recipient_count INTEGER DEFAULT 0,
    sent_count INTEGER DEFAULT 0,
    open_count INTEGER DEFAULT 0,
    click_count INTEGER DEFAULT 0,
    scheduled_at TIMESTAMP WITH TIME ZONE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Contacts table
CREATE TABLE public.contacts (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id) NOT NULL,
    email TEXT NOT NULL,
    first_name TEXT,
    last_name TEXT,
    tags TEXT[],
    custom_fields JSONB,
    status TEXT CHECK (status IN ('active', 'unsubscribed', 'bounced')) DEFAULT 'active',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    UNIQUE(user_id, email)
);

-- Email templates table
CREATE TABLE public.templates (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id) NOT NULL,
    name TEXT NOT NULL,
    content JSONB NOT NULL,
    thumbnail TEXT,
    category TEXT,
    is_public BOOLEAN DEFAULT FALSE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Automation workflows table (n8n integration)
CREATE TABLE public.automations (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id) NOT NULL,
    name TEXT NOT NULL,
    description TEXT,
    trigger_type TEXT NOT NULL, -- 'email_opened', 'link_clicked', 'date_based', etc.
    trigger_config JSONB,
    n8n_workflow_id TEXT, -- Reference to n8n workflow
    n8n_workflow_json JSONB, -- Complete n8n workflow definition
    ai_generated BOOLEAN DEFAULT false, -- Was this generated by AI?
    ai_conversation_context JSONB, -- Store conversation that created this
    status TEXT DEFAULT 'draft', -- 'draft', 'active', 'paused', 'error'
    execution_count INTEGER DEFAULT 0,
    last_execution_at TIMESTAMP WITH TIME ZONE,
    performance_metrics JSONB, -- Success rate, avg execution time, etc.
    workflow_steps JSONB, -- Array of automation steps
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- AI conversations table
CREATE TABLE public.ai_conversations (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES auth.users(id) NOT NULL,
    session_id TEXT NOT NULL, -- Group related messages
    message_type TEXT NOT NULL, -- 'user', 'assistant', 'system'
    content TEXT NOT NULL,
    intent TEXT, -- Detected user intent
    workflow_generated UUID REFERENCES public.automations(id), -- If this conversation created a workflow
    voice_input BOOLEAN DEFAULT false, -- Was this voice input?
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- n8n workflow executions log
CREATE TABLE public.workflow_executions (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    automation_id UUID REFERENCES public.automations(id) NOT NULL,
    n8n_execution_id TEXT, -- n8n's execution ID
    status TEXT NOT NULL, -- 'running', 'success', 'error', 'waiting'
    start_time TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    end_time TIMESTAMP WITH TIME ZONE,
    execution_data JSONB, -- Input/output data
    error_message TEXT,
    performance_metrics JSONB -- Execution time, nodes processed, etc.
);

-- Email analytics table
CREATE TABLE public.email_events (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    campaign_id UUID REFERENCES public.campaigns(id),
    contact_id UUID REFERENCES public.contacts(id),
    event_type TEXT NOT NULL, -- 'sent', 'delivered', 'opened', 'clicked', 'bounced'
    metadata JSONB,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Row Level Security policies
ALTER TABLE public.profiles ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.campaigns ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.contacts ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.templates ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.automations ENABLE ROW LEVEL SECURITY;
ALTER TABLE public.email_events ENABLE ROW LEVEL SECURITY;

-- RLS Policies (users can only access their own data)
CREATE POLICY "Users can view own profile" ON public.profiles FOR SELECT USING (auth.uid() = id);
CREATE POLICY "Users can update own profile" ON public.profiles FOR UPDATE USING (auth.uid() = id);
CREATE POLICY "Users can view own campaigns" ON public.campaigns FOR SELECT USING (auth.uid() = user_id);
CREATE POLICY "Users can insert own campaigns" ON public.campaigns FOR INSERT WITH CHECK (auth.uid() = user_id);
CREATE POLICY "Users can update own campaigns" ON public.campaigns FOR UPDATE USING (auth.uid() = user_id);
CREATE POLICY "Users can view own contacts" ON public.contacts FOR SELECT USING (auth.uid() = user_id);
CREATE POLICY "Users can insert own contacts" ON public.contacts FOR INSERT WITH CHECK (auth.uid() = user_id);
CREATE POLICY "Users can update own contacts" ON public.contacts FOR UPDATE USING (auth.uid() = user_id);

ENVIRONMENT CONFIGURATION:
Create .env.local with:
# Supabase Configuration
NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your_anon_key
SUPABASE_SERVICE_ROLE_KEY=your_service_role_key

# n8n Integration
N8N_API_URL=https://your-n8n-instance.run.app
N8N_API_KEY=your_n8n_api_key
N8N_WEBHOOK_URL=https://your-n8n-instance.run.app/webhook

# AI Services
OPENAI_API_KEY=your_openai_api_key
GOOGLE_CLOUD_PROJECT_ID=your_gcp_project_id
GOOGLE_APPLICATION_CREDENTIALS=path/to/service-account.json

# Voice Processing
NEXT_PUBLIC_VOICE_ENABLED=true
SPEECH_TO_TEXT_MODEL=enhanced
TEXT_TO_SPEECH_VOICE=en-US-Neural2-F

# Real-time Features
NEXT_PUBLIC_WEBSOCKET_URL=wss://your-domain.com/ws
REDIS_URL=redis://localhost:6379 (for development)

DATABASE UTILITIES:
Create src/lib/supabase/database.ts with:
- Type-safe query functions for all tables
- Real-time subscription helpers
- Error handling utilities
- Data validation functions

SAMPLE DATA SEEDING:
Create seed data for development:
- 3 sample campaigns with different statuses
- 50 sample contacts with various tags
- 5 email templates for different industries
- 2 automation workflows
- Historical email events for analytics

Include comprehensive TypeScript types, error handling, and real-time subscriptions.

Expected Output: Complete Supabase integration with working database schema and utilities


Authentication Implementation

Claude Code Prompt #3: Complete Authentication System

Execution Priority: THIRD - After database setup completes

Prompt for Claude Code:

Implement a complete authentication system for the email marketing platform with the following specifications:

AUTHENTICATION COMPONENTS:
Create src/components/auth/ with:

1. LoginForm.tsx:
- Email/password login with validation
- Social login options (Google, GitHub)
- "Remember me" functionality
- Password reset link
- Proper error handling and loading states
- TypeScript interfaces for form data

2. SignupForm.tsx:
- User registration with email verification
- Password strength validation
- Terms of service checkbox
- Automatic profile creation
- Success/error messaging
- Form validation with react-hook-form + zod

3. AuthProvider.tsx:
- React context for authentication state
- Session management and persistence
- User profile data integration
- Loading states for auth operations
- Automatic token refresh

AUTHENTICATION PAGES:
Create src/app/auth/ with:

1. login/page.tsx:
- Login form with social options
- Redirect to dashboard after success
- "Sign up" link for new users
- Password reset functionality

2. signup/page.tsx:
- Registration form with validation
- Email verification flow
- Redirect to onboarding after signup
- "Sign in" link for existing users

3. reset-password/page.tsx:
- Password reset request form
- Email confirmation message
- New password set form
- Success redirect to login

AUTHENTICATION UTILITIES:
Create src/lib/auth/ with:

1. auth.ts:
- signUp, signIn, signOut functions
- Password reset functionality
- Session management helpers
- User profile operations
- Error handling utilities

2. middleware.ts:
- Route protection for authenticated pages
- Redirect logic for auth/unauth users
- Session validation
- Protected API route handling

PROTECTED ROUTES:
Configure Next.js middleware for:
- /dashboard/* - requires authentication
- /campaigns/* - requires authentication
- /contacts/* - requires authentication
- /templates/* - requires authentication
- /automations/* - requires authentication
- /api/* - API authentication middleware

AUTHENTICATION FLOW:
1. User visits protected route
2. Middleware checks authentication
3. Redirect to login if not authenticated
4. After login, redirect to original destination
5. Maintain auth state across browser sessions
6. Handle token expiration gracefully

USER PROFILE MANAGEMENT:
Create src/components/profile/ with:
- Profile settings form
- Avatar upload functionality
- Email change with verification
- Password change form
- Account deletion option

SECURITY FEATURES:
- CSRF protection
- Rate limiting for auth endpoints
- Secure session management
- Input validation and sanitization
- SQL injection prevention (via Supabase RLS)

Include comprehensive error handling, loading states, and TypeScript types for all authentication functions.

Expected Output: Complete authentication system with working login, signup, and session management


Validation & Testing Setup

Claude Code Prompt #4: Environment Validation & Testing

Execution Priority: FOURTH - Final validation of complete setup

Prompt for Claude Code:

Create comprehensive validation and testing setup for the email marketing platform MVP:

TESTING CONFIGURATION:
Create jest.config.js:
- Next.js test environment setup
- TypeScript support
- Supabase mocking
- Coverage thresholds (80%+ for critical functions)
- Test file patterns and exclusions

Create src/lib/test-utils.tsx:
- Custom render function with providers
- Mock authentication context
- Mock Supabase client
- Test data factories
- Helper functions for testing

VALIDATION SCRIPTS:
Create scripts/validate-environment.js:
- Check Node.js version compatibility
- Verify all required environment variables
- Test Supabase connection
- Validate database schema
- Check API endpoint accessibility
- Confirm authentication flow

HEALTH CHECK ENDPOINTS:
Create src/app/api/health/ with:
- Database connectivity check
- Authentication service check
- External service health (SendGrid/Postmark)
- System status endpoint
- Detailed health report

COMPONENT TESTS:
Create tests for critical components:

1. src/components/auth/__tests__/:
- LoginForm.test.tsx (form validation, submission)
- SignupForm.test.tsx (registration flow)
- AuthProvider.test.tsx (context state management)

2. src/lib/auth/__tests__/:
- auth.test.ts (authentication functions)
- middleware.test.ts (route protection)

DATABASE TESTS:
Create src/lib/supabase/__tests__/:
- database.test.ts (CRUD operations)
- real-time.test.ts (subscription functionality)
- rls.test.ts (row level security)

INTEGRATION TESTS:
Create tests/integration/:
- auth-flow.test.ts (complete authentication)
- database-operations.test.ts (data persistence)
- api-endpoints.test.ts (API functionality)

PERFORMANCE TESTS:
Create tests/performance/:
- lighthouse.test.js (Core Web Vitals)
- load-testing.test.js (API performance)
- database-performance.test.js (query optimization)

DEVELOPMENT UTILITIES:
Create src/lib/dev-utils.ts:
- Database seeding functions
- Mock data generators
- Development-only features
- Debug logging utilities

VALIDATION CHECKLIST:
Create a comprehensive checklist script that verifies:
- βœ… Next.js server starts without errors
- βœ… Database connection established
- βœ… Authentication flow works end-to-end
- βœ… All environment variables configured
- βœ… TypeScript compilation succeeds
- βœ… Tests pass with required coverage
- βœ… API endpoints respond correctly
- βœ… Database queries execute successfully
- βœ… Real-time subscriptions work
- βœ… Email service integration ready

PACKAGE.JSON SCRIPTS:
Add validation scripts:
- "validate": Run full environment validation
- "test:unit": Unit tests only
- "test:integration": Integration tests
- "test:e2e": End-to-end tests
- "test:coverage": Coverage report
- "db:reset": Reset database to clean state
- "db:seed": Populate with sample data
- "health": Quick health check

Include detailed error reporting, logging, and recovery suggestions for any validation failures.

Expected Output: Complete testing framework with validation scripts and comprehensive test coverage


Implementation Success Metrics

Completion Validation Checklist

After executing all Claude Code prompts, verify the following are working:

Project Foundation

  • Next.js 14 Application: Starts on http://localhost:3000 without errors
  • TypeScript Configuration: Strict mode enabled, no compilation errors
  • Tailwind CSS: Styles applied correctly with custom design tokens
  • ESLint/Prettier: Code quality checks passing

πŸ—„οΈ Database Integration

  • Supabase Connection: Database queries execute successfully
  • Schema Creation: All tables created with proper relationships
  • Row Level Security: RLS policies active and working
  • Sample Data: Development data seeded successfully

Authentication System

  • User Registration: New users can sign up with email verification
  • User Login: Existing users can log in with email/password
  • Session Management: Authentication state persists across browser sessions
  • Protected Routes: Unauthenticated users redirected to login
  • Profile Management: Users can update their profile information

Testing & Validation

  • Unit Tests: Component tests passing with >80% coverage
  • Integration Tests: Database and API tests passing
  • Health Checks: All system health endpoints responding
  • Validation Scripts: Environment validation completing successfully

Next Steps After Setup

Once the environment setup is complete, you'll have:

  1. Working Email Marketing Platform Foundation
  2. Authenticated User System
  3. Database Schema Ready for Features
  4. Testing Framework Configured
  5. Development Environment Optimized

Ready for Phase 14.2: Component Implementation Development with working UI components and user interfaces.


Troubleshooting Common Issues

Environment Variables Not Loading

# Check .env.local file exists and has correct format
cat .env.local
# Restart development server after changes
npm run dev

Supabase Connection Errors

# Verify Supabase URL and keys in .env.local
# Check Supabase project is active
# Confirm database is accessible
npm run validate

TypeScript Compilation Errors

# Clear Next.js cache
rm -rf .next
# Reinstall dependencies
npm ci
# Rebuild project
npm run build

Authentication Issues

# Check Supabase Auth settings
# Verify RLS policies are active
# Test with validation script
npm run validate:auth

This implementation guide transforms the email marketing platform from concept to working reality in 30 minutes, providing a solid foundation for building advanced features.