Fix install wizard gaps: add Jellyfin to TRANSCODE_SERVERS template, add Emby/JF API key checklist checks, fix setup guide var names to HOST1_ prefix

Plugin/unraid/api/checklist.php

@@ -69,6 +69,34 @@ $items[] = [
     'action' => $populated ? null : 'run_populate',
 ];
 
+// ── Emby API key ───────────────────────────────────────────────────────────────
+$embyContainer = trim(vv_parse_conf_scalar($confRaw, $hostIdUp . '_EMBY_CONTAINER'));
+if (!empty($embyContainer)) {
+    $embyKey = trim(vv_parse_conf_scalar($confRaw, $hostIdUp . '_EMBY_API_KEY'));
+    $items[] = [
+        'id'     => 'emby_key',
+        'label'  => 'Emby API key',
+        'ok'     => !empty($embyKey),
+        'detail' => $embyKey
+            ? 'Key present'
+            : 'Not set — Emby Dashboard → API Keys → + New Key',
+    ];
+}
+
+// ── Jellyfin API key ───────────────────────────────────────────────────────────
+$jfContainer = trim(vv_parse_conf_scalar($confRaw, $hostIdUp . '_JELLYFIN_CONTAINER'));
+if (!empty($jfContainer)) {
+    $jfKey = trim(vv_parse_conf_scalar($confRaw, $hostIdUp . '_JELLYFIN_API_KEY'));
+    $items[] = [
+        'id'     => 'jellyfin_key',
+        'label'  => 'Jellyfin API key',
+        'ok'     => !empty($jfKey),
+        'detail' => $jfKey
+            ? 'Key present'
+            : 'Not set — Jellyfin Dashboard → Administration → API Keys',
+    ];
+}
+
 // ── master.conf pull (partner servers only) ───────────────────────────────────────────────────
 if ($hostId !== 'host1' && $hostId !== 'unknown') {
     $state   = vv_setup_state_read();