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Context assembly ignores boundary-specific wrapper costs · case 03

Context assembly ignores boundary-specific wrapper costs.

Member previewVariant 3 · 3 implementations · 6 checks per implementation

Case contract

Rows are [text,content_cost,boundary_cost]. Return the longest prefix fitting budget; the first row has no preceding boundary.

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
different wrappers["a", "b"]["a"]Failed

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