FA-25118 / Filter interfaces / Member archive

A valid empty continuation cursor still permits the next facet page · case 03

A valid empty continuation cursor still permits the next facet page is violated by the widget projection.

Member previewVariant 3 · 3 implementations · 10 checks per implementation

Case contract

A paged facet picker merges option identities, respects continuation state, and keeps selected off-page options visible in a dedicated selection summary. This example checks: A valid empty continuation cursor still permits the next facet page.

Why this case matters

Filter-widget state and serialization must preserve user constraints while the view changes.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
contract fixture 0	`{"end-marker": false, "load-more": false, "merge-order": [], "off-page": ["z", "b"], "replace-query": [], "visible-total": 0}`	`{"end-marker": false, "load-more": true, "merge-order": [], "off-page": ["z", "b"], "replace-query": [], "visible-total": 0}`	Failed

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