BREAKING CHANGE(db): replace StorageManager and CacheDb with a unified smartdata-backed database layer

ts/radius/index.ts

@@ -6,7 +6,7 @@
  * - VLAN assignment based on MAC addresses
  * - OUI (vendor prefix) pattern matching for device categorization
  * - RADIUS accounting for session tracking and billing
- * - Integration with StorageManager for persistence
+ * - Integration with smartdata document classes for persistence
  */
 
 export * from './classes.radius.server.js';