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Negotiated content type retains selected parameters · case 03

Negotiated content type retains selected parameters.

Member previewVariant 3 · 3 implementations · 4 checks per implementation

Case contract

Bounded offline decision model: negotiated content type retains selected parameters. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.

Why this case matters

This deterministic content negotiation model isolates the negotiated-content-type-retains-selected-parameters 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	`"text/plain"`	`"text/plain; charset=utf-8"`	Failed

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