# Browse Library Folders

Browse server directories for folder selection in library management.

**Endpoint**: `GET /api/libraries/browse`
**Auth**: Required (Admin only)

## Query Parameters

| Parameter | Type | Required | Description |
|-----------|------|-----------|-------------|
| path | string | No | Directory path to browse (default: "/") |

## Request Headers

| Header | Type | Required | Description |
|--------|------|-----------|-------------|
| Authorization | string | Yes | Bearer token (admin only) |

### Example Request

```http
GET /api/libraries/browse?path=/home/user
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
```

## Response (200 OK)

```json
{
  "current_path": "/home/user",
  "parent_path": "/home",
  "directories": ["Documents", "Downloads", "Books", "Music"]
}
```

## Error Responses

| Code | Description |
|------|-------------|
| 400 | Path traversal attempt or invalid path |
| 401 | Invalid or expired token |
| 403 | User is not an admin |
| 400 | Path does not exist |
| 400 | Path is not a directory |

## Security

- **Path traversal protection**: Blocks requests containing ".."
- **Admin only**: Regular users receive 403 Forbidden
- **Directories only**: Returns only directory names, not file listings
- **Server filesystem**: Browses server's filesystem, not client's
