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Response trailers exclude forbidden routing fields · case 02

Response trailers exclude forbidden routing fields.

Member previewVariant 2 · 3 implementations · 4 checks per implementation

Case contract

Bounded offline decision model: response trailers exclude forbidden routing fields. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.

Why this case matters

This deterministic proxy forwarding model isolates the response-trailers-exclude-forbidden-routing-fields policy at a network component boundary.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
fixture 1	`{"Digest": "d", "Host": "x"}`	`{"Digest": "d"}`	Failed

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