Distillation

Date: Sep 10, 2026

• 🔴 (01:11) User directed that install-method detection must always check for Homebrew first because stored install information may be stale.
• 🔴 (01:11) Homebrew detection returns "brew" when the CLI binary is running from a Homebrew Cellar.
• 🔴 (01:11) Package-manager detection treats node_modules layouts containing .pnpm as pnpm; other node_modules layouts such as npm and yarn default to "npm".
• 🔴 (01:11) Curl-install path resolution honors an absolute XDG_BIN_HOME, matching determineInstallDir precedence; an unreadable stored path hint is ignored while known curl paths are still checked, with a default-path fallback for fresh installs and non-curl runs such as tests.
• 🔴 (01:11) The upgrade implementation includes getCurlInstallPaths(), getKnownCurlPaths(), fetchWithUpgradeError, getNightlyVersion, and pinned standalone-version resolution against ordered sources.