FA-98617 / KV cache position mapping / Member archive
Batch row ownership follows request IDs · case 02
Cache rows are assigned by transient request list position.
Case contract
Given request_id to row mapping and an ordered ID list, return corresponding rows; unknown IDs map to None.
Why this case matters
A small in-memory model makes the cache address contract explicit for a serving component.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| reordered batch | [["A"], ["B"]] | [["C"], ["A"]] | Failed |
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