fix(cleanup): prevent event listener and log stream leaks, tighten smartProxy connection timeouts, and improve graceful shutdown behavior

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '9.1.5',
+  version: '9.1.6',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }