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Centered evidence window is reversed while crossing a boundary · case 04

Centered evidence window is reversed while crossing a boundary.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

Given ordered items, anchor and radius, return up to radius items on each side plus anchor in original order.

Why this case matters

A small deterministic evidence assembly model makes context budgeting behavior inspectable.

One recorded failure

Sample boundary fixture

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

Boundary fixtureActualExpectedOutcome
center order["r", "p", "q", "s", "t"]["p", "q", "r", "s", "t"]Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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