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Development Blueprint

Initial work focuses on establishing the technical foundation and implementing basic authentication for the starter template application. By the end of this phase, we should have:

  1. A working Next.js 14 project with TypeScript 5.2+ and TailwindCSS 3.3+
  2. Supabase 2.x integration for authentication and database
  3. Basic user management (registration, login, anonymous sessions)
  4. Core database schema implementation

Decomposition into Manageable Chunks​

Chunk 1: Project Setup​

  • Initialize Next.js 14 project with TypeScript 5.2+
  • Configure TailwindCSS 3.3+
  • Set up ESLint 8.x and Prettier 3.x
  • Create basic project structure
  • Implement basic layout components

Chunk 2: Supabase Integration​

  • Set up Supabase 2.x project
  • Configure environment variables
  • Create database connection utilities
  • Implement authentication context
  • Create database schema for core entities

Chunk 3: User Authentication​

  • Implement registration flow
  • Implement login flow
  • Create anonymous session handling
  • Build user profile management
  • Implement session persistence with Supabase Auth

Chunk 4: Core API Routes​

  • Implement authentication API routes
  • Create testing infrastructure for API routes using Jest 29.x

Detailed Implementation Steps​

Chunk 1: Project Setup​

  1. Initialize Next.js 14 project with TypeScript 5.2+ configuration
  2. Install and configure TailwindCSS 3.3+
  3. Set up ESLint 8.x and Prettier 3.x with appropriate rules
  4. Create basic folder structure (app, components, lib, utils, contexts)
  5. Implement basic layout components (Header, Footer, Layout)
  6. Create placeholder pages for main app routes
  7. Set up testing infrastructure with Jest 29.x and React Testing Library 14.x

Chunk 2: Supabase Integration​

  1. Create Supabase 2.x project and configure settings
  2. Set up environment variables for Supabase connection
  3. Create Supabase client utility with @supabase/supabase-js v2.x
  4. Define TypeScript interfaces for database schema
  5. Implement database schema for users table
  6. Set up Row Level Security policies
  7. Create database helper functions

Chunk 3: User Authentication​

  1. Create authentication context provider using Supabase Auth
  2. Implement email/password registration
  3. Build login form and functionality
  4. Create anonymous session creation
  5. Implement session persistence using Supabase session management
  6. Build user profile component
  7. Create authentication hooks for components
  8. Implement protected routes

Chunk 4: Core API Routes​

  1. Create authentication API routes (register, login, anonymous)
  2. Create testing helpers for API routes with Jest 29.x
  3. Build middleware for authentication and authorization

Refined Implementation Tasks (Smallest Units of Work)​

Chunk 1: Project Setup​

  1. Initialize Next.js Project

    • Create Next.js 14 project with TypeScript 5.2+
    • Set up Git repository
    • Configure basic Next.js settings with app router

  2. Configure Styling and Linting

    • Install and configure TailwindCSS 3.3+
    • Set up ESLint 8.x with TypeScript rules
    • Configure Prettier 3.x
    • Create linting scripts

  3. Set Up Project Structure

    • Create folder structure for components, app directory, lib, utils, contexts, and tests
    • Add README with project setup instructions
    • Create .env.example file

  4. Implement Basic Layout Components

    • Create Layout component with React 18.x features
    • Build Header component using TailwindCSS 3.3+ utilities
    • Implement Footer component
    • Add global styles

  5. Configure Testing Infrastructure

    • Install Jest 29.x and React Testing Library 14.x
    • Set up testing configuration
    • Create test helpers
    • Write example test for Layout component

Chunk 2: Supabase Integration​

  1. Set Up Supabase Project

    • Create Supabase project (v2.x)
    • Configure authentication settings
    • Set up environment variables
    • Create Supabase client utility with @supabase/supabase-js v2.x

  2. Define Core TypeScript Interfaces

    • Create User interface
    • Define database types file
    • Implement TypeScript 5.2+ features for type safety

  3. Implement Users Table Schema

    • Create SQL for users table
    • Set up RLS policies for users
    • Test user table operations
    • Create user utility functions

  4. Create Database Helper Functions

    • Implement user database functions
    • Create helper functions with Supabase 2.x Query Builder
    • Write tests for database functions

Chunk 3: User Authentication​

  1. Create Authentication Context

    • Build AuthContext with React 18.x Context API
    • Implement useAuth hook
    • Create authentication state types with TypeScript 5.2+
    • Write tests for authentication context

  2. Implement Registration Flow

    • Create registration form component
    • Build form validation with Zod 3.x
    • Implement registration API call with Supabase Auth
    • Handle registration success/failure

  3. Build Login Functionality

    • Create login form component
    • Implement login API call
    • Handle login success/failure
    • Add "remember me" functionality

  4. Create Anonymous Session Handling

    • Implement anonymous login flow with Supabase Auth
    • Create session storage
    • Build session recovery mechanism
    • Test anonymous sessions

  5. Implement Protected Routes

    • Create authentication check middleware for Next.js 14
    • Build protected page wrappers
    • Implement redirect logic
    • Test protected routes

Chunk 4: Core API Routes​

  1. Create Authentication API Routes

    • Implement register endpoint with Next.js 14 API routes
    • Build login endpoint
    • Create anonymous session endpoint
    • Add session validation middleware

  2. Implement API Testing Infrastructure

    • Create API test helpers with Jest 29.x
    • Build mock Supabase client for testing
    • Implement request/response mocks
    • Write example API tests