string-digit-extraction-is-default-idiom

Status: IN

Digit decomposition across solutions defaults to `sum(int(d) for d in str(n))` rather than arithmetic modulo/division — a repo-wide convention favoring readability over performance.

Source: entries/2026/06/06/count-integers-with-even-digit-sum-solution.md, entries/2026/06/06/count-largest-group-solution.md

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