P1B: Refactor (packages/web/src/components/share/part.tsx:756): Function with high complexity (count = 21)

### 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/part.tsx

### Function(s)/scope targeted

flattenToolArgs()

### Relevant Qlty output

```shell
758  Function with high complexity (count = 21): flattenToolArgs
```