v2.1.1

Fixed

• TypeScript types are now visible to consumers. Previously the published SDK packages re-exported WidgetSDKConfig, StandaloneConfig, TransactionRequest, and related types from an internal @oobit/core package that wasn't published to npm — TypeScript users either saw Cannot find module '@oobit/core' (under strict configs) or silently got any (with skipLibCheck). All shared type definitions are now bundled into each package's published dist/index.d.ts, so autocomplete, type-checking, and the optional email? / (email: string) => void callback signature introduced in v2.1.0 work out of the box.
• React Native SDK bumped to 3.3.1.
• React Web SDK bumped to 1.3.1.