fix(build): migrate project tooling and filesystem integration to current smartfs-based stack

ts/levelcache.classes.cacheentry.ts

@@ -19,19 +19,19 @@ export class CacheEntry
   }
 
   @plugins.smartjson.foldDec()
-  public key: string;
+  accessor key: string;
 
   @plugins.smartjson.foldDec()
-  public ttl: number;
+  accessor ttl: number;
 
   @plugins.smartjson.foldDec()
-  public createdAt: number;
+  accessor createdAt: number;
 
   @plugins.smartjson.foldDec()
-  public typeInfo: string;
+  accessor typeInfo: string;
 
   @plugins.smartjson.foldDec()
-  contents: Buffer;
+  accessor contents: Buffer;
 
   public toStorageJsonString(): string {
     return this.foldToJson();