refactor: Fix linter errors by auto-apply

- Apply automated linter fixes
- Manually reformat fields in model/service.go
- Resolve code complexity issues

router/server.go

@@ -89,7 +89,6 @@ func Documentate() (*openapi3.Spec, error) {
 		if err != nil {
 			return nil, err
 		}
-
 	}
 
 	return reflector.Spec, nil