fix: support RW 0.1.36 named documentation identities

[yumike]

Summary

• Raise the minimum @rwdocs/core and @rwdocs/viewer versions to 0.1.36.
• Resolve named homepages from navigation, preserve eligible same-site catalog root links, and keep site setup safe across navigation and asynchronous requests.
• Use a shared canonical listing projection so search indexing and documentation ownership agree when section identities collide, while retaining independently named descendants.

Upgrade notes

• Upgrade readers before publishing explicit name metadata.
• Migrate legacy RW frontmatter and sidecar type fields to kind.
• Viewer requires Node.js ^22.22.2 or >=24.15.0.
• Identity changes do not create aliases or automatically migrate existing comments; see README.md for rollout details.

Validation

• Immutable install, typecheck, lint, workspace formatting, and build passed.
• 68 test suites / 666 tests passed.
• Two code-review/fix rounds, parallel test/comment quality reviews, and final human Crit approval completed.
• Squashed to one changelog-ready commit; its Git tree is identical to the reviewed and tested tree.