[Feature Request] Add verification step for grep patterns before running searches

Question

**Bug Description**
When claude does a grep to find something, it should always first create a temporary file containing an exact known match of the search pattern, verify the grep finds it, then delete the temporary file and only then run the real search.

**Environment Info**
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.138
- Feedback ID: 35ee0629-0569-4cd4-a985-9e4972accc18

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