FA-99613 / RAG context assembly / Member archive
The last chunk is dropped instead of truncated at the remaining budget · case 03
The last chunk is dropped instead of truncated at the remaining budget.
Case contract
Chunks are token lists. Concatenate in order up to budget tokens, truncating only the final included chunk.
Why this case matters
A small deterministic evidence assembly model makes context budgeting behavior inspectable.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| truncate final | ["a3", "a3"] | ["a3", "a3", "b3", "b3"] | Failed |
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