* docs: turn the end-to-end audit into a delivery roadmap
* fix: deliver roadmap security and data-correctness foundation
* fix: type saved paint properties for the MapLibre 6 API
* build: account explicitly for the MapLibre 6 worker cost
* docs: record the paired foundation delivery and measured worker cost
* style: remove trailing blank line from sanitizer regression
* ci: expose exact-commit manual validation to pull requests