fix: read Static and disable quality when a system setting withholds the scene

src/components/DriveControls.vue

@@ -94,12 +94,16 @@ const statusText = computed(() => {
   return null;
 });
 
-/** The scene was lost or never started: the quality choice has nothing to
- * act on, so it reads Static and is disabled rather than claiming High. */
+/** The scene was lost, never started, or is withheld by a system setting
+ * (reduced motion, data saver): the quality choice has nothing to act on, so
+ * it reads Static and is disabled rather than claiming High. Visitor choices
+ * (pause, saved Static) keep it enabled so they can be changed back. */
 const visualsUnavailable = computed(
   () =>
-    props.policy.reason === "full" &&
-    (props.sceneStatus === "failed" || props.sceneStatus === "static"),
+    props.policy.reason === "system-reduce" ||
+    props.policy.reason === "data-saver" ||
+    (props.policy.reason === "full" &&
+      (props.sceneStatus === "failed" || props.sceneStatus === "static")),
 );
 
 const runAction = (): void => {