Deterministic boundary upgrades across 20–500 repos.
Signed packs with typed seams. Upgrade PRs that apply cleanly. Contract-proof artifacts produced in your CI.
Packs
Signed, vendored boundary modules. Semver disciplined. SPDX/BOM enforced per release.
Seams
Typed extension points with bounded override zones. AST-enforced no-edit boundaries.
Contract-proof
Golden traces/logs/envelopes/retry timelines produced in consumer CI and diffed deterministically.