fix(users): thread rate limit presence through gateway

apps/aether-gateway/src/handlers/admin/request/system/import.rs

@@ -1847,6 +1847,7 @@ impl<'a> AdminAppState<'a> {
                                 allowed_api_formats.clone(),
                                 user.contains_key("allowed_models"),
                                 allowed_models.clone(),
+                                user.contains_key("rate_limit"),
                                 rate_limit,
                                 Some(is_active),
                             )

apps/aether-gateway/src/handlers/admin/request/users.rs

@@ -166,6 +166,7 @@ impl<'a> AdminAppState<'a> {
         allowed_api_formats: Option<Vec<String>>,
         allowed_models_present: bool,
         allowed_models: Option<Vec<String>>,
+        rate_limit_present: bool,
         rate_limit: Option<i32>,
         is_active: Option<bool>,
     ) -> Result<Option<aether_data::repository::users::StoredUserAuthRecord>, GatewayError> {
@@ -179,6 +180,7 @@ impl<'a> AdminAppState<'a> {
                 allowed_api_formats,
                 allowed_models_present,
                 allowed_models,
+                rate_limit_present,
                 rate_limit,
                 is_active,
             )
@@ -581,4 +583,10 @@ impl<'a> AdminAppState<'a> {
     ) -> Result<Vec<aether_data::repository::users::StoredUserExportRow>, GatewayError> {
         self.app.list_non_admin_export_users().await
     }
+
+    pub(crate) async fn list_export_users(
+        &self,
+    ) -> Result<Vec<aether_data::repository::users::StoredUserExportRow>, GatewayError> {
+        self.app.list_export_users().await
+    }
 }