feat(oci): Support monolithic OCI blob uploads; add registry cleanup/destroy hooks; update tests and docs

ts/classes.smartregistry.ts

@@ -115,4 +115,15 @@ export class SmartRegistry {
   public isInitialized(): boolean {
     return this.initialized;
   }
+
+  /**
+   * Clean up resources (timers, connections, etc.)
+   */
+  public destroy(): void {
+    for (const registry of this.registries.values()) {
+      if (typeof (registry as any).destroy === 'function') {
+        (registry as any).destroy();
+      }
+    }
+  }
 }