FA-98268 / Autoregressive target shifting / Member archive
The end marker receives a spurious outgoing prediction · case 03
The end marker receives a spurious outgoing prediction.
Case contract
Return one pair per observed token, with EOS as the final target and never as an input.
Why this case matters
A small deterministic token-stream contract makes next-token alignment errors inspectable.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| no eos input | [[1, 2], [2, 9], [9, 9]] | [[1, 2], [2, 9]] | Failed |
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