Update project 4 frontend start

frontend-client/src/api/client.ts

@@ -0,0 +1,18 @@
+import axios from "axios";
+import { useAuthStore } from "@/store/authStore";
+
+const apiClient = axios.create({
+  baseURL: process.env.NEXT_PUBLIC_API_URL ?? "http://localhost:8081/api",
+  headers: { "Content-Type": "application/json" },
+});
+
+apiClient.interceptors.request.use((config) => {
+  // getState() — безопасен вне React-дерева (server actions, route handlers тоже работают)
+  const token = useAuthStore.getState().token;
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`;
+  }
+  return config;
+});
+
+export default apiClient;