feat: Add review events persistence, version display, and auto-versioning system

frontend/src/api/client.ts

@@ -68,5 +68,25 @@ export const getReviewStats = async () => {
   return response.data;
 };
 
+export interface ReviewEvent {
+  id: number;
+  review_id: number;
+  event_type: string;
+  step?: string;
+  message?: string;
+  data?: any;
+  created_at: string;
+}
+
+export const getReviewEvents = async (reviewId: number) => {
+  const response = await api.get<ReviewEvent[]>(`/reviews/${reviewId}/events`);
+  return response.data;
+};
+
+export const getBackendVersion = async () => {
+  const response = await api.get<{ version: string }>('/version');
+  return response.data;
+};
+
 export default api;