Dogfooding showed Epic C gave the CLI the observe half of D-6 parity but not the drive half: no verb opens a doc in a UI reader because nothing bridges the IPC layer to the kernel MessageBus. Files T-231 to add a ui.open/view.open verb under T-208. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>