* Doctor: detect macOS cloud-synced state directories
* Doctor tests: cover cloud-synced macOS state detection
* Docs: note cloud-synced state warning in doctor guide
* Docs: recommend local macOS state dir placement
* Changelog: add macOS cloud-synced state dir warning
* Changelog: credit macOS cloud state warning PR
* Doctor state: anchor cloud-sync roots to macOS home
* Doctor tests: cover OPENCLAW_HOME cloud-sync override
* Doctor state: prefer resolved target for cloud detection
* Doctor tests: cover local-target cloud symlink case