# Register a new user

Register a new user account with email and password. Returns JWT tokens upon successful registration.

Endpoint: POST /auth/register
Version: 0.1.0

## Request fields (application/json):

  - `emailAddress` (string, required)
    Valid email address
    Example: "founder@example.com"

  - `password` (string, required)
    Password must be at least 8 characters long
    Example: "strongpassword123"

## Response 201 fields (application/json):

  - `accessToken` (string, required)
    JWT access token (expires in 15 minutes)
    Example: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."

  - `refreshToken` (string, required)
    JWT refresh token (expires in 30 days)
    Example: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."

## Response 400 fields (application/json):

  - `error` (string, required)
    Error code
    Example: "VALIDATION_ERROR"

  - `message` (string, required)
    Human-readable error message
    Example: "Invalid email address or password format"

  - `details` (object)
    Additional error details (optional)

  - `requestId` (string)
    Unique request identifier for tracing (included in X-Request-ID header)
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `timestamp` (string, required)
    ISO 8601 timestamp when the error occurred
    Example: "2024-01-01T00:00:00Z"

## Response 409 fields (application/json):

  - `error` (string, required)
    Error code
    Example: "VALIDATION_ERROR"

  - `message` (string, required)
    Human-readable error message
    Example: "Invalid email address or password format"

  - `details` (object)
    Additional error details (optional)

  - `requestId` (string)
    Unique request identifier for tracing (included in X-Request-ID header)
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `timestamp` (string, required)
    ISO 8601 timestamp when the error occurred
    Example: "2024-01-01T00:00:00Z"