What was demonstrated
The Unreal Engine lane completed build/promotion, smoke consume on promoted input, package preview, and promoted consumption, while refusing unpromoted input under the same governed flow.
Why it matters
This is stronger than a basic engine integration claim. It shows the lane can govern execution, packaging, and downstream consumption with explicit refusal boundaries instead of assuming every artifact should pass forward.
Governance / verification posture
- Promoted inputs pass build, smoke, package, and consumption checks.
- Unpromoted inputs are expected to refuse rather than silently continue.
- Hash manifests and stage structure support auditability without exposing raw internals publicly.
Public-safe artifact
Stage outcome summary
- Build / promote: pass
- Smoke consume promoted: pass
- Package preview: pass
- Consume promoted: pass
- Refuse unpromoted: enforced
Governed lane view
- Promotion-aware engine execution
- Consumption checks on promoted artifacts
- Explicit refusal for unpromoted inputs
What is intentionally omitted
- Internal project paths, raw smoke reports, and private run roots.
- Engine-specific internal implementation details not needed for public diligence.
- Raw logs and hash files that remain internal evidence.
Related proof / milestone links