FA-24892 / Filter interfaces / Member archive

Empty messages wait for a known settled zero count · case 02

Empty messages wait for a known settled zero count is violated by the widget projection.

Member previewVariant 2 · 3 implementations · 10 checks per implementation

Case contract

Facet choices remain removable when selected even at zero matches; counts distinguish unknown loading state from a known empty result. This example checks: Empty messages wait for a known settled zero count.

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	`{"busy-marker": false, "empty-message": true, "hide-empty": false, "stale-count": true, "unknown-badge": "0", "zero-selected": false}`	`{"busy-marker": false, "empty-message": false, "hide-empty": false, "stale-count": true, "unknown-badge": "0", "zero-selected": false}`	Failed

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