# Update Library

Update a library's information.

**Endpoint**: `PUT /api/libraries/:id`
**Auth**: Required (Admin only)
**Content-Type**: `application/json`

## Path Parameters

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

## Request Body

| Field           | Type    | Required | Description     |
| --------------- | ------- | -------- | --------------- |
| name            | string  | No       | Library name    |
| library_type_id | integer | No       | Library type ID |

### Example Request

```json
{
  "name": "My Updated Library",
  "library_type_id": 1
}
```

## Response (200 OK)

```json
{
  "id": "uuid",
  "name": "My Updated Library",
  "library_type_id": 1,
  "created_at": "2026-02-08T10:00:00Z",
  "updated_at": "2026-02-08T11:00:00Z"
}
```

## Error Responses

| Code | Description                         |
| ---- | ----------------------------------- |
| 400  | Invalid request data                |
| 401  | Invalid or expired token            |
| 403  | User does not have admin privileges |
| 404  | Library not found                   |
