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Environment promotion plan: Unknown environments are silently created · case 05

Unknown environments are silently created.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

Reject unknown targets, reject downgrade unless allowed, skip identical digests, reject missing test evidence, otherwise update target to candidate digest and version while preserving other environments.

Why this case matters

An offline model of environment promotion plan, suitable for testing build and release tooling without external services.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
fixture 1	`{"prod": [1, "a"]}`	`"unknown"`	Failed

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