fix: ensure Scryfall set cache directory exists and update service worker revision for index.html.

src/client/dev-dist/sw.js

@@ -82,7 +82,7 @@ define(['./workbox-5a5d9309'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.g6k3e4tvo1g"
+    "revision": "0.lnjaj3n52vg"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {

src/server/services/ScryfallService.ts

@@ -267,6 +267,9 @@ export class ScryfallService {
 
       // Save Set Cache
       if (allCards.length > 0) {
+        if (!fs.existsSync(path.dirname(setCachePath))) {
+          fs.mkdirSync(path.dirname(setCachePath), { recursive: true });
+        }
         fs.writeFileSync(setCachePath, JSON.stringify(allCards, null, 2));
 
         // Smartly save individuals: only if missing from cache