# Update User Max Devices

Update the maximum number of devices a user can register (admin only).

**Endpoint**: `PUT /api/auth/users/:id/max-devices`
**Auth**: Required (Admin only)
**Content-Type**: `application/json`

## Path Parameters

| Parameter | Type | Required | Description |
|-----------|------|-----------|-------------|
| id | string (UUID) | Yes | User UUID |

## Request Body

| Field | Type | Required | Description |
|--------|------|-----------|-------------|
| max_devices | integer | Yes | Maximum number of devices (1-100) |

### Example Request

```json
{
  "max_devices": 15
}
```

## Response (200 OK)

```json
{
  "id": "uuid",
  "email": "user@example.com",
  "username": "johndoe",
  "max_devices": 15,
  "active_devices": 3,
  "updated_at": "2026-02-08T11:00:00Z"
}
```

## Error Responses

| Code | Description |
|------|-------------|
| 400 | Invalid max_devices value (must be 1-100) |
| 401 | Invalid or expired token |
| 403 | User does not have admin privileges |
| 404 | User not found |
