Disable cache storage on live JSON routes

src/lib/api-response.ts

@@ -0,0 +1,18 @@
+import { NextResponse } from "next/server";
+
+export const NO_STORE_JSON_HEADERS = {
+  "Cache-Control": "private, no-store, max-age=0",
+} as const;
+
+export function jsonNoStore(
+  body: Parameters<typeof NextResponse.json>[0],
+  init?: Parameters<typeof NextResponse.json>[1],
+) {
+  return NextResponse.json(body, {
+    ...init,
+    headers: {
+      ...NO_STORE_JSON_HEADERS,
+      ...(init?.headers ?? {}),
+    },
+  });
+}