FA-98229 / Attention mask construction / Member archive
Global keys remain hidden from earlier queries · case 04
Global keys remain hidden from earlier queries.
Case contract
Causal visibility plus globally visible key indices; special query positions still obey causality.
Why this case matters
A small explicit visibility matrix makes sequence-attention boundary behavior reviewable.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| global-key exception applies to a query row | [true, false, false] | [true, true, false] | Failed |
MEMBER ARCHIVE
The complete case is available to members.
This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
Member access is invitation-based. Sign in with your invited account to inspect the sources.
Sign in to the archive ↗