feat: spa account deletion

spa/src/lib/api/client.ts

@@ -172,6 +172,17 @@ export async function del<T = void>(path: string): Promise<T> {
   return request<T>(buildUrl(path), { method: "DELETE" })
 }
 
+export async function delWithBody<T = void>(
+  path: string,
+  body: unknown,
+): Promise<T> {
+  return request<T>(buildUrl(path), {
+    method: "DELETE",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(body),
+  })
+}
+
 export async function upload<T>(
   path: string,
   file: File,