FA-98272 / Autoregressive target shifting / Member archive
Ignored target labels mask the following position · case 02
Ignored target labels mask the following position.
Case contract
For labels, return one boolean per adjacent target position: true iff that target is not ignore; pair count is len(labels)-1.
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 |
|---|---|---|---|
| ignored middle target | [true, false, true] | [false, true, true] | Failed |
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