Update frontend/src/lib/api.ts

git add frontend/src/lib/api.ts
git commit -m "Use same-origin API base for HF Space"
git push hf HEAD:main --force

frontend/src/lib/api.ts

@@ -1,31 +1,23 @@
-import axios from "axios";
+// frontend/src/lib/api.ts
+import axios from "axios";
 
-function resolveBase() {
-  // Prefer Vite env; fallback to localhost:4000 for dev
-  const env = import.meta.env?.VITE_API_BASE?.trim();
-  if (env) return env.replace(/\/+$/, "");
-  const proto = window.location.protocol === "https:" ? "https:" : "http:";
-  return `${proto}//localhost:4000`;
-}
-
-export const API_BASE = resolveBase();
+/**
+ * Compute API base. On HF Spaces we want same-origin (no host at all).
+ * Locally (vite dev) you can set VITE_API_BASE=http://localhost:4000
+ * but if it's empty we default to same-origin.
+ */
+const envBase = (import.meta.env.VITE_API_BASE ?? "").trim();
+export const API_BASE =
+  envBase !== "" ? envBase.replace(/\/$/, "") : ""; // "" = same origin
 
 export const api = axios.create({
   baseURL: `${API_BASE}/api`,
-  headers: { "Content-Type": "application/json" },
   withCredentials: false,
+  headers: { "Content-Type": "application/json" },
 });
 
-api.interceptors.response.use(
-  (r) => r,
-  (err) => {
-    console.error("API error:", err?.response?.data || err?.message || err);
-    return Promise.reject(err);
-  }
-);
-
-// Optional debug (comment out later)
-if (typeof window !== "undefined") {
-  // eslint-disable-next-line no-console
-  console.log("[api] API_BASE =", API_BASE);
+// Optional helper
+export async function health(): Promise<{ ok: boolean; db: string }> {
+  const res = await fetch(`${API_BASE}/health`, { cache: "no-store" });
+  return res.json();
 }