FA-25079 / Filter interfaces / Member archive

Serialized filter field identity includes its widget scope · case 04

Serialized filter field identity includes its widget scope is violated by the widget projection.

Member previewVariant 4 · 3 implementations · 10 checks per implementation

Case contract

A filter widget owns query keys with the exact f. prefix; it must preserve route parameters and distinguish repeated values from comma-containing literals. This example checks: Serialized filter field identity includes its widget scope.

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	`{"empty-scalar": [["tag", ""]], "literal-comma": [], "multi-serialize": [], "owned-prefix": ["f.color"], "preserve-route": ["ref.x", "foo", "q"], "scope-key": "tag"}`	`{"empty-scalar": [["tag", ""]], "literal-comma": [], "multi-serialize": [], "owned-prefix": ["f.color"], "preserve-route": ["ref.x", "foo", "q"], "scope-key": "right.tag"}`	Failed

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