meta {
  name: Update Username
  type: http
  seq: 1
}

put {
  url: {{base_url}}/api/auth/username
  body: json
  auth: inherit
}

body {
  {
    "username": "newusername"
  }
}

settings {
  encodeUrl: true
  timeout: 0
}

docs {
  ## Update Username

  Updates the authenticated user's username.

  **Method:** PUT

   **Endpoint:** /api/auth/username

  **Authentication:** Required

  **Request Body:**
  - `username` (string, required): New username (3-50 characters)

  **Response:**
  - `message` (string): Success message

  **Status Codes:**
  - 200: Success
  - 400: Invalid username
  - 401: Unauthorized
  - 409: Username already taken
}