refactor(bridge/nodejs): protected memory constructor

bridges/nodejs/src/sdk/memory.ts

@@ -61,6 +61,7 @@ export class Memory<T = unknown> {
         `You cannot read the memory "${this.name}" as it belongs to another skill which haven't written to this memory yet`
       )
     }
+
     try {
       if (!fs.existsSync(this.memoryPath)) {
         await this.clear()

bridges/nodejs/src/sdk/widget.ts

@@ -2,7 +2,7 @@ export abstract class Widget<T> {
   public readonly type: string
   public readonly options: T
 
-  public constructor(options: T) {
+  protected constructor(options: T) {
     this.type = this.constructor.name
     this.options = options
   }