FA-25440 / Filter interfaces / Member archive

Count-based sorting activates only on settled exact counts · case 05

Count-based sorting activates only on settled exact counts is violated by the widget projection.

Member previewVariant 5 · 3 implementations · 10 checks per implementation

Case contract

Facet count presentations use exact, lower-bound or unknown modes; selected zero-count values remain represented and total counts are never inferred by adding overlapping facet buckets. This example checks: Count-based sorting activates only on settled exact counts.

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	`{"approximate-badge": true, "count-prefix": "\u2265", "count-sort-ready": true, "count-text": "4", "total-source": 5, "zero-disable": false}`	`{"approximate-badge": true, "count-prefix": "\u2265", "count-sort-ready": false, "count-text": "4", "total-source": 5, "zero-disable": false}`	Failed

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