feat(core,storage,oci,registry-config): add streaming response support and configurable registry URLs across protocols

ts/core/index.ts

@@ -12,6 +12,9 @@ export { DefaultAuthProvider } from './classes.defaultauthprovider.js';
 // Storage interfaces and hooks
 export * from './interfaces.storage.js';
 
+// Stream helpers
+export { toReadableStream, streamToBuffer, streamToJson, createHashTransform } from './helpers.stream.js';
+
 // Classes
 export { BaseRegistry } from './classes.baseregistry.js';
 export { RegistryStorage } from './classes.registrystorage.js';