FA-25140 / Filter interfaces / Member archive

Loaded-option totals count unique identities across pages · case 05

Loaded-option totals count unique identities across pages is violated by the widget projection.

Member previewVariant 5 · 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: Loaded-option totals count unique identities across pages.

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": true, "merge-order": ["b", "a", "c"], "off-page": [], "replace-query": ["b", "a", "c"], "visible-total": 4}`	`{"end-marker": false, "load-more": true, "merge-order": ["b", "a", "c"], "off-page": [], "replace-query": ["b", "a", "c"], "visible-total": 3}`	Failed

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