[Feature Request] Add option to skip background tasks interface on new session startup

Question

**Bug Description**
why when i start a new session, it open an interface with background tasks, i wnat what i had => claud command open me the claud cli in the relevant directory

**Environment Info**
- Platform: darwin
- Terminal: xterm-256color
- Version: 2.1.150
- Feedback ID: 733f8a7b-f2d2-45e0-838c-1e5e8b69c61f

**Errors**
```json
[]
```