# Create Note

Create a new note for a media item.

**Endpoint**: `POST /api/media-items/{media_id}/notes`
**Auth**: Required
**Content-Type**: `application/json`

## Path Parameters

| Parameter | Type   | Required | Description     |
| --------- | ------ | -------- | --------------- |
| media_id  | string | Yes      | Media item UUID |

## Request Body

| Field               | Type   | Required | Description                        |
| ------------------- | ------ | -------- | ---------------------------------- |
| content             | string | Yes      | Note content                       |
| position            | string | No       | Location reference (e.g., epubcfi) |
| percentage_location | float  | No       | Location as percentage (0-1)       |
| epubcfi_location    | string | No       | EPUB CFI location                  |

### Example Request

```json
{
  "content": "This is a note",
  "position": "epubcfi(/6/4/2:15)",
  "percentage_location": 0.45,
  "epubcfi_location": "epubcfi(/6/4/2:15)"
}
```

## Response (201 Created)

```json
{
  "id": "uuid",
  "media_item_id": "uuid",
  "user_id": "uuid",
  "content": "This is a note",
  "position": "epubcfi(/6/4/2:15)",
  "percentage_location": 0.45,
  "epubcfi_location": "epubcfi(/6/4/2:15)",
  "created_at": "2026-01-31T10:00:00Z"
}
```

## Error Responses

| Code | Description              |
| ---- | ------------------------ |
| 400  | Invalid note data        |
| 401  | Invalid or expired token |
| 404  | Media item not found     |
