Initial commit: Sencho V1 complete with Auth and Dockerization

frontend/src/lib/api.ts

@@ -0,0 +1,27 @@
+const API_BASE = '/api';
+
+export async function apiFetch(
+  endpoint: string,
+  options: RequestInit = {}
+): Promise<Response> {
+  const url = `${API_BASE}${endpoint}`;
+  const defaultOptions: RequestInit = {
+    credentials: 'include',
+    headers: {
+      'Content-Type': 'application/json',
+      ...options.headers,
+    },
+  };
+
+  const response = await fetch(url, { ...defaultOptions, ...options });
+
+  if (response.status === 401) {
+    // Clear auth state and redirect to login
+    window.location.href = '/';
+    throw new Error('Unauthorized');
+  }
+
+  return response;
+}
+
+export { API_BASE };