When `openclaw gateway install` runs under Homebrew Node, `process.execPath`
resolves to the versioned Cellar path (e.g. /opt/homebrew/Cellar/node/25.7.0/bin/node).
This path breaks when Homebrew upgrades Node, silently killing the gateway daemon.
Resolve Cellar paths to the stable Homebrew symlink (/opt/homebrew/bin/node)
which Homebrew updates automatically during upgrades.
Closes#32182
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>