[Feature Request] Add subdomain and wildcard pattern whitelisting for websites

[estsauver]

Bug Description
I think Claude in chrome should let me whitelist subdomains or patterns on websites. I have a development environment that creates lots of urls (per worktree) on *.localhost or in a staging env *.$STAGING_URL.com , and I'd like to let Claude run on any of those!

[github-actions]

Found 3 possible duplicate issues:

1. Feature request: Support wildcard subdomain matching for WebFetch domain permissions #15260
2. WebFetch(domain:*) wildcard permission not working #11972
3. [Bug] WebFetch Wildcard Domain Matching Fails to Generalize #9329

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