Runs the Composer command that updates the installed DevTools package.

Resolves whether self-update SHOULD target the local project or Composer global project.

Checks whether the installed DevTools package is behind the latest stable release.

Emits non-blocking DevTools freshness notices for interactive binary runs.

Switches the process working directory before command execution starts.

Updates DevTools through the active Composer executable.

Detects Composer global DevTools installations from known Composer home paths.

Resolves DevTools freshness through Composer metadata without coupling callers to Composer commands.

Emits update warnings while ensuring version checks never block the requested command.

Describes the installed and latest known DevTools versions.

Applies Composer-like working-directory switching for the standalone binary.