添加翻转视觉朝向的方法以支持蹬墙跳时的即时转向，并在切换到 WallSlideState 时确保正确刷新抓墙高度

Assets/_Game/Scripts/Player/PlayerMovement.cs

@@ -236,6 +236,17 @@ namespace BaseGames.Player
             _rb.velocity = Vector2.zero;
         }
 
+        /// <summary>
+        /// 仅翻转视觉朝向，不修改速度。用于蹬墙跳瞬间需要立即转向而不中断跳跃速度的场景。
+        /// dir：+1 = 朝右，-1 = 朝左。
+        /// </summary>
+        public void FlipFacing(int dir)
+        {
+            if (dir == 0 || dir == _facingDirection) return;
+            _facingDirection = dir;
+            transform.localScale = new Vector3(dir, 1f, 1f);
+        }
+
         // ── 取消窗口 ──────────────────────────────────────────────────────────
         public void SetCancelWindowOpen(bool open) => _cancelWindowOpen = open;