FA-24899 / Filter interfaces / Member archive

Cached zero counts receive a stale marker while refreshing · case 04

Cached zero counts receive a stale marker while refreshing is violated by the widget projection.

Member previewVariant 4 · 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: Cached zero counts receive a stale marker while refreshing.

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

MEMBER ARCHIVE

The complete case is available to members.

This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

Member access is invitation-based. Sign in with your invited account to inspect the sources.