This essay was merged into Models Understand; Code Authorizes on 2026-10-22. The share/NAV example, confirmation versus execution, authorization and source boundaries are now covered in the main essay, with early Intent and Run-grant assumptions corrected.
This page preserves the published URL. It is not a separate essay, is excluded from search and the main catalog, and is not counted as a full English edition. The previous text remains in Git history.