user card Hand becomes the action surface, the board shows the train, and a reverse stops turning it around, other bug fixes too.

src/sim/narrate.ts

@@ -547,6 +547,10 @@ export function cuesFor(events: readonly GameEvent[]): string[] {
   const out: string[] = [];
   for (const e of events) {
     if (e.type === 'trainMadeUp') out.push('train');
+    // Coupling and setting out are what a switching move IS, and both were silent. A car leaving the
+    // board with only a line of history to say where it went is the thing that most needs a noise.
+    if (e.type === 'carsCoupled') out.push('couple');
+    if (e.type === 'carsDropped' || e.type === 'flyingSwitch') out.push('drop');
     if (e.type === 'stageBegan') {
       // A Stage BEGINNING is the previous one ending — except the first, which is the game opening
       // and has nothing behind it. A Day boundary rings the bell only: sounding both would collide,