[Feature Request] Auto-suggest `!cat` command when reviewing generated planning specs

Question

**Bug Description**
when claude creates a spec, it asks me to review it. it should autosuggest `!cat [planning spec file name]` so that i don't have to look for it

**Environment Info**
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.145
- Feedback ID: 15042dc3-bd03-4a96-8370-80feaf857257

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