Add scheduler toolbar and copy-reference actions, guarded inspection JSON saves with protected-field warnings, and read-only ctx.this for self-messaging. Preserve exact actor values and unsaved edits across refreshes, and test the save lifecycle in the VS Code host.
Isolate the CLI forwarding test from the editable counter example.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
