Use the Homebrew cask on Apple Silicon because the nixpkgs package is x86_64-darwin only, and document the reason inline to prevent future regressions.
Made-with: Cursor
Implement launchd daemons for automatic Nix garbage collection and store optimization on a weekly schedule. The configuration includes intervals for both tasks to ensure efficient management of Nix store resources.
Enable declarative Homebrew cask management on the macOS host so Google Chrome is installed during darwin activation and stale Homebrew items are cleaned up with zap.
Made-with: Cursor
