feat(core): wrap prompt middleware in try-finally block

Ensure the prompt status is cleared even if the middleware chain
throws an error.

src/core/game-client.ts

@@ -87,17 +87,20 @@ export abstract class BaseGameClient<
         }
       }
 
+      try {
         callback({
           hasPrompt: true,
           player: ctx.player || "global",
           def: ctx.def,
           tryAnswer,
         });
-      await next();
+        return await next();
+      } finally {
         callback({
           hasPrompt: false,
           player: ctx.player || "global",
         });
+      }
     });
   }
   selectStatus(callback: (status: ClientStatus) => void) {