install.ps1 could never have worked outside Windows: it reads
%APPDATA% for the resource path, guards on Get-Process, and needs
PowerShell installed. install.sh mirrors it exactly -- same actions,
same key table, same idempotent rewrite and backup -- differing only
in resource-path discovery and --real-control, which exists because
modifier bit 8 means Ctrl on Windows but Command on macOS.
Also document installing by hand from the action list, for anyone who
would rather not run either script.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>