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FA-98265 / Autoregressive target shifting / Member archive

End marker is omitted from next-token supervision · case 05

End marker is omitted from next-token supervision.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

Return [input,target] pairs for each token followed by eos; empty tokens yield no pair.

Why this case matters

A small deterministic token-stream contract makes next-token alignment errors inspectable.

One recorded failure

Sample boundary fixture

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

Boundary fixtureActualExpectedOutcome
last target eos[[5, 6]][[5, 6], [6, 99]]Failed

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

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