Documentation-only update capturing the merged security-hardening work:
AGENTS.md: ruff + pip-audit are now mandatory CI gates; new Directus hook Zod validation bullet; all FROM/image refs pinned to @sha256 with CI enforcement via scripts/check-image-digests.sh.
CHANGELOG.md: new [Unreleased] entry summarizing base-image digest pinning, mandatory Python supply-chain gates, and Directus hook Zod validation (KI-48, KI-49, merged to main).
Documentation-only update capturing the merged security-hardening work:
No code changes.