FA-98304 / Autoregressive target shifting / Member archive
Shifted pairs carry an off-by-one context position · case 04
Shifted pairs carry an off-by-one context position.
Case contract
Given equally aligned input and next-target lists plus an origin, return [context_position,input,target] rows; ignore unmatched suffixes.
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 |
|---|---|---|---|
| nonzero origin | [[5, 5, 8], [6, 6, 9]] | [[4, 5, 8], [5, 6, 9]] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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