Mac Space Cleanup

Help the user understand what occupies their Mac and choose what to keep. Default to scan → explain → guide the user → verify. Offer AI execution only after presenting concrete cleanup choices. A successful scan may conclude that no cleanup is worthwhile.

Requires local macOS shell access for measurements; built-in tools suffice. App-specific tools are optional and must already be available. With no local access, give manual inspection steps and label supplied measurements unverified. Do not install scanners, package managers, or plugins to complete this workflow.

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