FA-25815 / Filter interfaces / Member archive

Cross-group duplicate constraints are detected without rejecting self reorder · case 05

Cross-group duplicate constraints are detected without rejecting self reorder is violated by the widget projection.

Member previewVariant 5 · 3 implementations · 10 checks per implementation

Case contract

A filter-builder drag moves a criterion between explicit group identities, rejects descendant cycles, and retains operator grouping when flattening is unsafe. This example checks: Cross-group duplicate constraints are detected without rejecting self reorder.

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	`{"cycle-block": true, "destination-duplicate": true, "destination-insert": ["a", "a"], "flatten-safe": true, "source-membership": true, "source-removal": ["b"]}`	`{"cycle-block": true, "destination-duplicate": false, "destination-insert": ["a", "a"], "flatten-safe": true, "source-membership": true, "source-removal": ["b"]}`	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.