feat(core): Standardize S3 storage config using @tsclass/tsclass IS3Descriptor and wire it into RegistryStorage and plugins exports; update README and package dependencies.

ts/core/classes.registrystorage.ts

@@ -18,14 +18,8 @@ export class RegistryStorage implements IStorageBackend {
    * Initialize the storage backend
    */
   public async init(): Promise<void> {
-    this.smartBucket = new plugins.smartbucket.SmartBucket({
-      accessKey: this.config.accessKey,
-      accessSecret: this.config.accessSecret,
-      endpoint: this.config.endpoint,
-      port: this.config.port || 443,
-      useSsl: this.config.useSsl !== false,
-      region: this.config.region || 'us-east-1',
-    });
+    // Pass config as IS3Descriptor to SmartBucket (bucketName is extra, SmartBucket ignores it)
+    this.smartBucket = new plugins.smartbucket.SmartBucket(this.config as plugins.tsclass.storage.IS3Descriptor);
 
     // Ensure bucket exists
     await this.smartBucket.createBucket(this.bucketName).catch(() => {