feat(tapbundle_serverside): add network port discovery utilities and migrate file I/O to smartfs; refactor runtimes to use Node fs and SmartFs, update server APIs and bump dependencies

ts/tstest.classes.runtime.docker.ts

@@ -102,7 +102,7 @@ export class DockerRuntimeAdapter extends RuntimeAdapter {
     }
 
     // Check if Dockerfile exists
-    if (!await plugins.smartfile.fs.fileExists(dockerfilePath)) {
+    if (!await plugins.smartfsInstance.file(dockerfilePath).exists()) {
       throw new Error(
         `Dockerfile not found: ${dockerfilePath}\n` +
         `Expected Dockerfile for Docker test variant.`