FA-26417 / HTTP ranges / Member archive

Accept-Ranges reflects the chosen representation source capability · case 02

Accept-Ranges reflects the chosen representation source capability.

Member previewVariant 2 · 3 implementations · 6 checks per implementation

Case contract

Local advertisement is bytes only when the selected source supports seek. A dynamic selection uses its own capability, not the static source capability.

Why this case matters

Range responses combine representation identity, conditional requests, framing, and partial-object state.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
range-unit-capability-advertisement fixture 0	`"bytes"`	`"none"`	Failed

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