diff --git a/plugins/career/plugin.json b/plugins/career/plugin.json
index 9f0550a..aeea61c 100644
--- a/plugins/career/plugin.json
+++ b/plugins/career/plugin.json
@@ -4,9 +4,13 @@
     "version": "0.1.0",
     "bundled": true,
     "private": false,
-    "description": "Career mode — gig your way from a local bar to the arena. Earn stars per song; the crowd reacts to how you play.",
+    "description": "Career mode \u2014 gig your way from a local bar to the arena. Earn stars per song; the crowd reacts to how you play.",
     "screen": "screen.html",
     "script": "screen.js",
     "styles": "assets/career.css",
-    "routes": "routes.py"
+    "routes": "routes.py",
+    "settings": {
+        "html": "settings.html",
+        "category": "system"
+    }
 }
diff --git a/plugins/career/routes.py b/plugins/career/routes.py
index ef0fb20..91d7182 100644
--- a/plugins/career/routes.py
+++ b/plugins/career/routes.py
@@ -134,9 +134,10 @@ def _validate_pack_dir(pack_dir: Path):
     for name in (manifest.get("stingers") or {}).values():
         if name and (not PACK_FILENAME_RE.fullmatch(name) or not (pack_dir / name).is_file()):
             raise ValueError(f"stinger file '{name}' invalid or missing")
-    for name in (manifest.get("intro") or {}).values():
-        if name and (not PACK_FILENAME_RE.fullmatch(name) or not (pack_dir / name).is_file()):
-            raise ValueError(f"intro file '{name}' invalid or missing")
+    for block in ("intro", "sfx"):
+        for name in (manifest.get(block) or {}).values():
+            if name and (not PACK_FILENAME_RE.fullmatch(name) or not (pack_dir / name).is_file()):
+                raise ValueError(f"{block} file '{name}' invalid or missing")
 
 
 def _download_pack(venue_id, pack, progress):
diff --git a/plugins/career/settings.html b/plugins/career/settings.html
new file mode 100644
index 0000000..483bce6
--- /dev/null
+++ b/plugins/career/settings.html
@@ -0,0 +1,21 @@
+<div class="space-y-3 text-sm">
+    <label class="flex items-center justify-between gap-4">
+        <span>
+            <span class="text-gray-200 font-medium">Crowd sound reactions</span>
+            <span class="block text-xs text-gray-500">Cheers when the crowd's mood rises, boos when it drops. Uses each venue's own recordings.</span>
+        </span>
+        <input type="checkbox" id="career-sfx-toggle" class="accent-cyan-500 w-4 h-4">
+    </label>
+</div>
+<script>
+(function () {
+    'use strict';
+    var KEY = 'feedBack-venue-crowd-sfx';
+    var box = document.getElementById('career-sfx-toggle');
+    if (!box) return;
+    try { box.checked = localStorage.getItem(KEY) === 'on'; } catch (e) { /* ok */ }
+    box.addEventListener('change', function () {
+        try { localStorage.setItem(KEY, box.checked ? 'on' : 'off'); } catch (e) { /* ok */ }
+    });
+}());
+</script>