FA-98278 / Autoregressive target shifting / Member archive
The final target mask is dropped with the input slice · case 03
The final target mask is dropped with the input slice.
Case contract
Return booleans for labels[1:] indicating whether each target is supervised.
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 |
|---|---|---|---|
| terminal ignored | [true] | [true, false] | Failed |
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