FA-99709 / Chunk citation alignment / Member archive
A citation in joined text is attributed to the wrong chunk · case 04
A citation in joined text is attributed to the wrong chunk.
Case contract
Given chunk starts and lengths, map point p to its containing chunk index using half-open intervals; return None for gaps or out of range.
Why this case matters
A deterministic citation bookkeeping model isolates source attribution from rendering and retrieval.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| later chunk | null | 1 | Failed |
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