Separate /episodes player from per-episode player; v1.1.8

- EpisodeAudioPlayer restored to original horizontal layout (unchanged
  for individual episode detail pages chosen in /admin)
- LatestEpisodePlayer on /episodes page gets its own markup + CSS
  (.latest-episode-player__*) with the centered layout A — large gold
  play button, skip-back 15s / skip-forward 30s, full-width scrubber

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

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "1.1.7",
+  "version": "1.1.8",
   "type": "module",
   "scripts": {
     "dev": "vite",