Add version bump reminder via pre-push hook and CI check * Added .githooks/pre-push script that warns if Cargo.toml version matches the latest git tag before every push * Added version-check job to ci.yml that posts a GitHub Actions warning if the version is stale * Activated .githooks with git config core.hooksPath (already applied locally) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>