fix(workout): make reduced motion explicit

Add an explicit prefers-reduced-motion contract to the phone-first Workout starter and assert the served CSS carries the no-motion policy.

req: examples/001

examples/workout/templates/workout.css

@@ -270,3 +270,14 @@
     }
   }
 }
+
+@media (prefers-reduced-motion: reduce) {
+  *,
+  *::before,
+  *::after {
+    scroll-behavior: auto !important;
+    transition-duration: 0ms !important;
+    animation-duration: 0ms !important;
+    animation-iteration-count: 1 !important;
+  }
+}