diff --git a/frontend/src/app/core/types/http.ts b/frontend/src/app/core/types/http.ts
new file mode 100644
index 0000000..9ebbf16
--- /dev/null
+++ b/frontend/src/app/core/types/http.ts
@@ -0,0 +1,4 @@
+export interface HttpStoreState {
+  isLoading: boolean;
+  validationErrors: Record<string, string[]> | null;
+}