v0.1.15

Added

• Installer support for installing Bestie from the published bestie-agent npm package.
• Installer smoke coverage for local npm tarball installs and reinstall preservation.

Changed

• Onboarding defaults now use Vietnamese-friendly names and allow memory deletion by default.
• New onboarding configs now default internal local tools to allow with a longer execution timeout.
• Installer now provisions Node.js 24 through nvm when needed and reloads ~/.bashrc before package installation.
• Installer and docs now describe npm-package installation instead of source checkout installation.
• Package engine requirement now targets Node.js 24+.