Expose admin user export counts through gateway state

apps/aether-gateway/src/data/state/runtime.rs

@@ -1512,6 +1512,16 @@ impl GatewayDataState {
         }
     }
 
+    pub(crate) async fn count_export_users(
+        &self,
+        query: &aether_data::repository::users::UserExportListQuery,
+    ) -> Result<u64, DataLayerError> {
+        match &self.user_reader {
+            Some(repository) => repository.count_export_users(query).await,
+            None => Ok(0),
+        }
+    }
+
     pub(crate) async fn summarize_export_users(
         &self,
     ) -> Result<aether_data::repository::users::UserExportSummary, DataLayerError> {

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

@@ -42,6 +42,13 @@ impl<'a> AdminAppState<'a> {
         self.app.list_export_users_page(query).await
     }
 
+    pub(crate) async fn count_export_users(
+        &self,
+        query: &aether_data::repository::users::UserExportListQuery,
+    ) -> Result<u64, GatewayError> {
+        self.app.count_export_users(query).await
+    }
+
     pub(crate) async fn find_export_user_by_id(
         &self,
         user_id: &str,

apps/aether-gateway/src/state/runtime/api_key_exports.rs

@@ -169,6 +169,16 @@ impl AppState {
             .map_err(|err| GatewayError::Internal(err.to_string()))
     }
 
+    pub(crate) async fn count_export_users(
+        &self,
+        query: &aether_data::repository::users::UserExportListQuery,
+    ) -> Result<u64, GatewayError> {
+        self.data
+            .count_export_users(query)
+            .await
+            .map_err(|err| GatewayError::Internal(err.to_string()))
+    }
+
     pub(crate) async fn find_export_user_by_id(
         &self,
         user_id: &str,