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