> Security vulnerability? Do not open a public PR. Report it privately through GitHub Security Advisories: https://github.com/open-pencil/open-pencil/security/advisories/new Before opening a PR, read `CONTRIBUTING.md` and `AGENTS.md`. PRs should explain the intent, meaningful changes, and validation. Placeholder, non-English, unrelated, or otherwise unreviewable PRs may be closed by maintainers. ### Summary ### What changed - Describe a meaningful implementation detail. ### AI assistance Models: None ### Validation - Checks/tests: commands and results, or not run and why. - Changelog: updated, or not needed and why.