v1.0.9

Changed

• Repository ownership transferred from picoblitz to mkorun (package.json repository/bugs/homepage, LICENSE copyright)
• Added a minimal test suite (node:test) covering xpipe.prefix and xpipe.eq() on Windows and non-Windows platforms
• Added GitHub Actions CI (Ubuntu + Windows, Node 18/20/22)
• Added explicit engines and files fields to package.json
• Removed an invalid editor setting that had leaked into .prettierrc.json

No functional/behavioral changes to the published API.