13 commits since v0.7.0 (minor bump)

- feat: Upmetrics error tracking (browser SDK) for cms-admin
- feat(F146): slug-prefix sidebar nav links via useSiteLink
- fix(F140): wrap empty-org/no-site header branches in HeaderDataProvider
- fix(F140): keep full header chrome in empty-org shell
- fix(F141): full-page navigation on site/org switch to bust stale RSC cache