fix(watcher.node): Handle fs.watch close without spurious restarts; add tests and improve test runner

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartwatch',
-  version: '6.2.0',
+  version: '6.2.1',
   description: 'A cross-runtime file watcher with glob pattern support for Node.js, Deno, and Bun.'
 }