v0.9.2

Changelog

• c3bd976 test(update): exercise the windows stale-lock recovery branch
• 0d52423 test(update): assert delegate is invoked on the failure path
• d9c3f17 fix(update): resolve go-install versions and scope brew detection
• 15c2368 fix(install): probe realpath -m support and document bash pipe
• a6dc99c feat(update): self-replace the binary with a platform lock
• 9ca862a feat(update): detect install method and delegate to the owning package manager
• b0e40cf feat(update): add semver helpers and GitHub release client
• 09ba43b feat(update): add enver update command with --check exit codes
• 9c6abad feat(install): add windows powershell installer script
• 741ed9a feat(install): add unix one-liner installer script
• cf9fe08 docs(install): align header comment with the bash pipe
• 35aeb02 chore(update): tidy go.mod so x/mod is a direct dependency