2026-04-27 — install inotify-tools by default
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Add inotify-tools to the package list for new Arch installs.

Why:
  cross-agent-comms (claude-templates v5 workflow) ships a
  cross-agent-watch script that uses `inotifywait -m -e create,moved_to`
  to fire desktop notifications when a new cross-agent message lands in
  a project's inbox/from-agents/ directory. Without inotify-tools, the
  watcher daemon can't run and cold-start detection falls back to the
  layered-checks-only path (startup workflow + status-CLI).

  Discovered when wiring up velox as a cross-agent peer: velox lacked
  inotifywait, so cross-agent-watch couldn't be installed there. Same
  package needed on every machine that participates in cross-agent
  comms.

Install command:
  sudo pacman -S --noconfirm inotify-tools

Files affected:
  - cross-agent-watch (~/.local/bin/cross-agent-watch — symlink into
    claude-templates/.ai/scripts/cross-agent-comms/cross-agent-watch)
  - ~/.config/systemd/user/cross-agent-watch.path     (production install)
  - ~/.config/systemd/user/cross-agent-watch.service  (production install)

Done on velox 2026-04-27. Adding to archsetup ensures future machines
get it on first boot rather than discovered later.