desktop修正

frontend/js/api.js

@@ -1,10 +1,13 @@
-const API_BASE = "http://localhost:18080";
+const API_BASE = "http://127.0.0.1:18080";
 
-async function apiGet(path) {
-  const res = await fetch(`${API_BASE}${path}`);
+async function apiGet(path, params = {}) {
+  const query = new URLSearchParams(params).toString();
+  const url = `${API_BASE}${path}?${query}`;
+
+  const res = await fetch(url);
   if (!res.ok) {
-    const text = await res.text();
-    throw new Error(text || "APIエラー");
+    const data = await res.json();
+    throw new Error(data.detail || "APIエラー");
   }
   return res.json();
 }