FA-98624 / KV cache position mapping / Member archive
Cache trimming includes the exclusive end position · case 04
The first position beyond the requested half-open span remains in the cache.
Case contract
Return ordered (position,value) entries in the half-open logical span [start,end).
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 |
|---|---|---|---|
| middle span | [[4, "4"], [5, "5"], [6, "6"], [7, "7"]] | [[4, "4"], [5, "5"], [6, "6"]] | Failed |
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