P1B: Refactor (packages/web/src/components/Share.tsx:101): Function with high complexity (count = 31): setupWebSocket

### Uniqueness check

- [x] I have searched open issues and confirmed this **file + smell** is not already taken.

### Full path to the Typescript file

packages/web/src/components/Share.tsx

### Function(s)/scope targeted

setupWebSocket

### Relevant Qlty output

```shell
packages/web/src/components/Share.tsx
101  Function with high complexity (count = 31): setupWebSocket
```