Restore Spotify iframe on individual episode detail pages; v1.1.7

The per-episode player (chosen in /admin) reverts to the Spotify embed
iframe — only the /episodes listing page uses the new custom player.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "1.1.6",
+  "version": "1.1.7",
   "type": "module",
   "scripts": {
     "dev": "vite",