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

internal/types/subscribe.go

@@ -2,9 +2,11 @@ package types
 
 type (
 	SubscribeRequest struct {
-		Flag  string
-		Token string
-		UA    string
+		Flag   string
+		Token  string
+		Type   string
+		UA     string
+		Params map[string]string
 	}
 	SubscribeResponse struct {
 		Config []byte