Proof

react-native-apple-ads-attribution

native-seam only — the AppleAdsAttribution JS class runs from the bundle; RNAppleAdsAttribution.getAttributionData() resolves {} (exactly what the real iOS module returns on the no-attribution/error path). attribution data intentionally absent.
70%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working
getAttributionData() resolves an empty object
Missing
no Apple Search Ads attribution payload in the simulator — matches the real iOS module resolving {} when attribution is unavailable