diff --git a/client/src/utils/aiUtils.js b/client/src/utils/aiUtils.js
index d19430f..d2c5c2f 100644
--- a/client/src/utils/aiUtils.js
+++ b/client/src/utils/aiUtils.js
@@ -15,10 +15,10 @@ export async function post(path, body) {
     body: JSON.stringify(body),
   });
   if (!res.ok) {
-    const err = await res
-      .json()
-      .catch(() => ({ detail: `HTTP ${res.status}` }));
-    throw new Error(err.detail || `HTTP ${res.status}`);
+    const err = await res.json().catch(() => ({ error: `HTTP ${res.status}` }));
+    throw new Error(
+      err.error || err.detail || err.message || `HTTP ${res.status}`,
+    );
   }
   return res.json();
 }
diff --git a/client/src/utils/api.js b/client/src/utils/api.js
index 79331cf..096ab22 100644
--- a/client/src/utils/api.js
+++ b/client/src/utils/api.js
@@ -1,5 +1,5 @@
 export const API_URL = import.meta.env.VITE_API_URL || "";
 
 export function apiFetch(path, options = {}) {
-  return fetch(`${API_URL}${path}`, options);
+  return fetch(`${API_URL}${path}`, { credentials: "include", ...options });
 }