v0.5.52 release (latest)

v0.5.52 release notes for the GitHub Release v0.5.52 (release task: Issue #1447).

Tag state (verified against origin)

Ref	Object	Points at
`v0.5.52`	annotated tag `68f54c9c62ecdd13d1b4ccfb4a09ac8073011bfb`	commit `9aef812cacaf062a407f6f2a6b483ec70963b4ff`

Cursor marketplace manifest: add top-level homepage and author so cursor.directory links to orbi.build (Issue #1446; PR #1448)