[Feature] End-to-End Integration Proof

[djm81]

Feature: End-to-End Integration Proof

Parent Epic: #258 Integration Governance and Dogfooding

Groups the integration governance contracts and the full-chain E2E proof/dogfooding work.

Child User Stories

• Integration Umbrella for Cross-Change Contracts and Ownership #254 — integration-01 (cross-change contracts) — open
• Dogfooding E2E Proof for Full-Chain Traceability #255 — dogfooding-01 (full-chain E2E proof) — open