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Render-consistent external-store snapshots: Notify selected change · case 03

Notify selected change.

Member previewVariant 3 · 3 implementations · 60 checks per implementation

Case contract

A render snapshot is rechecked at commit to detect intervening store writes. Selectors compare both scalar type and value. Server/client snapshots are separate and null differs from false, zero, or empty containers. Operation notify-selected-change has the six explicit input/output oracles below.

Why this case matters

An offline client lifecycle model that isolates a state-management defect without DOM rendering or network services.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
notify-selected-change scenario 2	`false`	`true`	Failed

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