* chore(plugins): gate deprecation hygiene in CI and purge internal deprecated usage
* fix(agents): migrate auth-profiles oauth import to OAuthProviderId
* fix(whatsapp): use durability param in delivery-recovery test
* chore(scripts): declare shouldRunDeprecationHygieneChecks in check-changed types
* test(plugins): update runtime-api guard for ssrf policy rename
* fix(plugin-sdk): remove relative extension boundary escapes
* Gate new plugin-sdk subpaths on host version
* Add changelog entry for #51939
* Fix local staging for plugin-sdk host version gate
* Raise host floor for line and googlechat plugins
---------
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>