多轮审查和修复

Assets/Scripts/UI/InputDeviceIconSwitcher.cs

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+using UnityEngine;
+using UnityEngine.UI;
+using BaseGames.Core.Events;
+
+namespace BaseGames.UI
+{
+    /// <summary>
+    /// 输入设备图标切换器（架构 10_UIModule §12）。
+    /// 订阅 EVT_InputDeviceChanged（BoolEventChannelSO，true = 手柄，false = 键鼠），
+    /// 切换后广播给场景内所有 InputIconImage 组件。
+    /// 通常挂在 UIRoot 或 UIManager 同一 GameObject 上。
+    /// </summary>
+    public class InputDeviceIconSwitcher : MonoBehaviour
+    {
+        [SerializeField] private InputDeviceIconSetSO _kbIconSet;
+        [SerializeField] private InputDeviceIconSetSO _padIconSet;
+
+        [Header("Event Channel")]
+        [SerializeField] private BoolEventChannelSO _onDeviceChanged;  // EVT_InputDeviceChanged
+
+        public static InputDeviceIconSetSO Current { get; private set; }
+
+        private readonly CompositeDisposable _subs = new();
+
+        private void Awake()     { Current = _kbIconSet; }
+        private void OnEnable()  => _onDeviceChanged?.Subscribe(SwitchIconSet).AddTo(_subs);
+        private void OnDisable() => _subs.Clear();
+
+        private void SwitchIconSet(bool isGamepad)
+        {
+            Current = isGamepad ? _padIconSet : _kbIconSet;
+            // 通知所有图标 Image 刷新
+            foreach (var img in GetComponentsInChildren<InputIconImage>(includeInactive: true))
+                img.Refresh();
+        }
+    }
+
+    // ─────────────────────────────────────────────────────────────────────────
+    /// <summary>
+    /// 单个按键图标 Image 组件。
+    /// 记录 bindingPath，由 InputDeviceIconSwitcher 切换时自动刷新。
+    /// </summary>
+    [RequireComponent(typeof(Image))]
+    public class InputIconImage : MonoBehaviour
+    {
+        [Tooltip("InputSystem 绑定路径，如 <Keyboard>/space 或 <Gamepad>/buttonSouth")]
+        [SerializeField] private string _bindingPath;
+
+        private Image _image;
+
+        private void Awake() => _image = GetComponent<Image>();
+
+        private void Start() => Refresh();
+
+        public void Refresh()
+        {
+            if (_image == null || string.IsNullOrEmpty(_bindingPath)) return;
+            var set = InputDeviceIconSwitcher.Current;
+            if (set == null) return;
+            var sprite = set.GetIcon(_bindingPath);
+            if (sprite != null)
+            {
+                _image.sprite  = sprite;
+                _image.enabled = true;
+            }
+        }
+    }
+}