- Mint BACKGROUND_JWT_POOL_SIZE (90 + 10) distinct background JWTs with
unique jti; pass jwtTokens from nativeFetcherConfig into configureNativeFetcher.
- Android TimeSafariNativeFetcher: overload configure with jwtTokenPool;
select bearer via epoch day mod pool size; fall back to primary jwtToken.
- Log truncated plansLastUpdatedBetween response at DEBUG for prefetch debugging.