Function whenSpace

whenSpace(node: Readonly): Option<Space>
Match space nodes and return the Space payload — saves callers from unwrapping node.data themselves and adds an isSpace runtime guard.
Parameters
- node: Readonly
Returns Option<Space>
Example
```
GraphBuilder.createExtension({
  id: 'mySpaceSection',
  match: AppNodeMatcher.whenSpace,
  connector: (space) => Effect.succeed([...]),
});
```
- Defined in packages/sdk/app-toolkit/src/app-graph/AppNodeMatcher.ts:42