Merge upstream/master into develop

Sync upstream changes from perfect-panel/server

  Includes updates from v1.0.1 to v1.2.5:
  - Currency configuration support
  - Subscribe improvements (short token, inventory check, etc.)
  - Node management enhancements
  - Database migrations
  - Bug fixes and optimizations

initialize/init.go

@@ -15,6 +15,7 @@ func StartInitSystemConfig(svc *svc.ServiceContext) {
 	Subscribe(svc)
 	Register(svc)
 	Mobile(svc)
+	Currency(svc)
 	if !svc.Config.Debug {
 		Telegram(svc)
 	}