[2.4.0 stack 16/18] Review round 2: CodeRabbit follow-ups (Pix, lookups, area codes, certidão 55, CT-e OS, CFOP headings, IBAN, State union), property-test hygiene - #528

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hyanmandian wants to merge 14 commits into

stack/11d-review-round-1from

stack/11e-review-round-2

Commits on Sep 13, 2026

fix(pix): validate the key syntax, the location encoding and the payload pairing
hyanmandian
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e76f0c3
fix(pix): keep the word boundary when a merchant name carries non-ASCII whitespace
hyanmandian
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31bbcb8
fix(currency-to-words): never round a sub-cent amount up to the next cent
hyanmandian
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1fbcc08
feat(area-code): list every state a DDD serves (42, 47, 49 and 61 span two states)
hyanmandian
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e17e55a
fix: reject negative, fractional and unsafe numbers in every code lookup
hyanmandian
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9cb73d0
fix(certidao): require the registro civil service code 55
hyanmandian
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b8ded2e
feat(nfe-key): accept the CT-e OS model 67
hyanmandian
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fe9e30f
fix(cfop): drop the 23 group headings ending in 50 from the table
hyanmandian
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27d6664
fix(iban): accept only the printed IBAN characters before sanitizing
hyanmandian
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dab1a9d
fix(cnpj): fall back to the numeric format in generateCnpj for any version other than 2
hyanmandian
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ff2e3c9
feat(states): tie the name, region and IBGE code of State to its code
hyanmandian
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d8326f0
ci(tree-shaking): sort new and removed exports into the what-changed table by size
hyanmandian
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558d814
docs: refine the utilities pages and use npm run for the package scripts
hyanmandian
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d0dba0a
test: keep the property inputs under the fast-check seed and cover every IBAN check digit
hyanmandian
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4bbcbb5