fix(money): reject fractional-cent numbers - #59
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The numeric path in setupAmountUsd silently rounded values like 1.234 to 1.23. The string path already enforces cent-precision via regex; make the numeric path reject fractional cents too so both inputs follow the same rule. Fixes moshcoder#54
This was referenced Jul 31, 2026
ralyodio
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Jul 31, 2026
PR #59 made the numeric path of setupAmountUsd reject values finer than a cent, but left the assertion that 2.345 rounds to 2.35 — the exact behavior it removed. That assertion has failed on master ever since, so every PR opened since #59 shows a red test check. Assert the numeric path on a value it actually accepts, and add the regression coverage issue #54 asked for (1.234 and 0.004) that #59 described but never landed. Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
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The numeric path in setupAmountUsd silently rounded values like 1.234 to 1.23. The string path already enforces cent-precision via regex; make the numeric path reject fractional cents too.
Fixes #54