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Saved view overlay follows each field keep replace or append policy · case 05

Saved view overlay follows each field keep replace or append policy is violated by the widget projection.

Member previewVariant 5 · 3 implementations · 10 checks per implementation

Case contract

Applying a saved view may replace or overlay editable filters, but it never replaces enforced scope and retains hidden selected criteria unless replace mode explicitly clears them. This example checks: Saved view overlay follows each field keep replace or append policy.

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	`{"effective-view-count": 2, "enforced-separation": [["a", "required"], ["a", "new"]], "field-overlay-policy": [["a", "old"], ["hidden", "z"], ["a", "new"]], "hidden-retention": [["hidden", "z"]], "overlay-provenance": "mixed", "replace-user": [["a", "old"], ["hidden", "z"], ["a", "new"]]}`	`{"effective-view-count": 2, "enforced-separation": [["a", "required"], ["a", "new"]], "field-overlay-policy": [["hidden", "z"], ["a", "new"]], "hidden-retention": [["hidden", "z"]], "overlay-provenance": "mixed", "replace-user": [["a", "old"], ["hidden", "z"], ["a", "new"]]}`	Failed

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