Placeholder — decompose after Phase 0 lands.
Single source of truth: a compat manifest of the known-good version set; promote postguard-version-matrix to CI nightly/per-PR (L4); align @e4a/pg-js versions (website 2.0.1 vs addons 1.8.0); move cryptify from irma 0.2.1 → irmars 0.2.2; archive the dead postguard-thunderbird-extension repo.
Placeholder — decompose after Phase 0 lands.
Single source of truth: a compat manifest of the known-good version set; promote
postguard-version-matrixto CI nightly/per-PR (L4); align@e4a/pg-jsversions (website 2.0.1 vs addons 1.8.0); move cryptify fromirma0.2.1 →irmars0.2.2; archive the deadpostguard-thunderbird-extensionrepo.