FA-26045 / Filter interfaces / Member archive

Validation messages follow criterion identity rather than visible row index · case 05

Validation messages follow criterion identity rather than visible row index is violated by the widget projection.

Member previewVariant 5 · 3 implementations · 10 checks per implementation

Case contract

Filter validation is attached to stable criterion IDs and operand slots. Server errors belong to the submitted revision and cannot move to neighboring rows after reordering. This example checks: Validation messages follow criterion identity rather than visible row index.

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	`{"first-invalid-row": null, "invalid-row-count": 0, "removed-row-errors": [], "row-error": ["L", "U", "B"], "server-error-revision": [], "slot-error": []}`	`{"first-invalid-row": null, "invalid-row-count": 0, "removed-row-errors": [], "row-error": ["U"], "server-error-revision": [], "slot-error": []}`	Failed

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