fix(cache): use user-writable ~/.serve.zone/dcrouter for TsmDB and centralize data path logic

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '5.0.3',
+  version: '5.0.4',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }