FA-100139 / Preference pair construction / Member archive
Preference pairs: pair text budget is consumed by the first endpoint · case 04
pair text budget is consumed by the first endpoint.
Case contract
Rows are [chosen,rejected]. Truncate each endpoint independently to the first limit characters; limit is nonnegative.
Why this case matters
A small deterministic preference-data transform makes pair semantics inspectable without a training framework.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| full budget each | [["chos", "enre"]] | [["chos", "reje"]] | Failed |
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