Proof

react-native-ulid-jsi

native-seam only — the real JS runs from the bundle; the RNUlid JSI install() mounts a faithful ULID spec implementation (Crockford base32, 48-bit time, monotonic)
95%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working
getUlid / checkIsValid / decodeTime (globalThis.__getUlid / __checkIsValid / __decodeTime)
Missing—