Feature Request: whitelist paths to prevent `ERROR: cd to`

Question

Noticing more strict guardrails, and that's great.

```bash
⏺ Bash(cd /tmp && pwd)
  ⎿  Error: ERROR: cd to '/tmp' was blocked. For security, Claude Code may only change
     directories to child directories of the original working directory (/Users/adrian)
     for this session.
```

But I would like to whitelist certain paths such as `/tmp` because the only option I see is to `claude --dangerously-skip-permissions` or tell Claude to never use `/tmp` but neither is good enough, and `/tmp` is de