Configuration for real-time sync on a modelRouter.
Determines which CRUD methods emit WebSocket events and how they are routed.

## Properties

### methods

> **methods**: (`"delete"` \| `"create"` \| `"update"`)[]

Which CRUD methods should emit real-time sync events

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### realtimeResponseHandler?

> `optional` **realtimeResponseHandler?**: (`doc`, `method`) => `unknown`

Custom serializer for real-time events. Falls back to the modelRouter responseHandler.

#### Parameters

##### doc

`Record`\<`string`, `unknown`\>

##### method

`string`

#### Returns

`unknown`

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### roomStrategy

> **roomStrategy**: `"model"` \| `"owner"` \| `"broadcast"` \| ((`doc`, `method`, `req`) => `string`[])

Strategy for determining which Socket.io rooms receive events.
- 'owner': emit to `user:{doc.ownerId}` room
- 'model': emit to `model:{modelName}` room (clients must subscribe)
- 'broadcast': emit to all authenticated sockets
- function: custom room resolver returning room name(s)