Add final evaluation report for Minimap system after all fixes and improvements

- Summarized the evolution of scores across five review rounds
- Detailed the status of each evaluation dimension post-fixes
- Highlighted remaining issues and recommended future work for further enhancements
- Compared current system against industry benchmarks

Assets/_Game/Scripts/World/Map/MapRoomCellUI.cs

@@ -0,0 +1,113 @@
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+
+namespace BaseGames.World.Map
+{
+    /// <summary>房间可见性三级状态：未知 / 已踏入 / 已标注（购买地图碎片）。</summary>
+    public enum RoomVisibility { Unknown, Explored, Mapped }
+
+    /// <summary>
+    /// 地图面板中每个房间对应的格子 UI 组件（架构 15_MapShopModule §1.3）。
+    /// <para>同时被 MapPanel（全屏地图）和 MinimapHUD（角落小地图）复用。</para>
+    /// 颜色通过 <see cref="SetColors"/> 从外部注入，不在此处硬编码。
+    /// <para><see cref="RT"/> 属性在 Awake 中缓存，避免调用方反复 GetComponent。</para>
+    /// </summary>
+    public class MapRoomCellUI : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
+    {
+        [SerializeField] private Image    _bg;
+        [SerializeField] private Image    _icon;
+        [SerializeField] private RawImage _outlineImage;  // 可选：房间非矩形轮廓纹理
+        [SerializeField] private Image    _highlight;     // 可选：当前房间高亮描边（玩家所在时激活）
+
+        // 实例颜色（默认值与原硬编码保持一致）；可通过 SetColors 统一覆盖
+        private Color _colExplored  = Color.white;
+        private Color _colMapped    = new Color(0.45f, 0.45f, 0.45f, 1f);
+        private Color _colUnknown   = Color.black;
+        private RoomVisibility _currentVisibility;
+
+        private string         _displayName;
+        private Action<string> _onHover;
+        private Action         _onHoverExit;
+
+        /// <summary>格子的 RectTransform（Awake 中缓存，外部直接访问无需 GetComponent）。</summary>
+        public RectTransform RT { get; private set; }
+
+        private void Awake() => RT = GetComponent<RectTransform>();
+
+        /// <summary>
+        /// 初始化格子（位置、可见性、图标、Tooltip 回调）。
+        /// </summary>
+        /// <param name="pixelsPerCell">
+        /// 每格像素数，默认 <see cref="MapGridConstants.FullMapCellPixels"/>（32f）。
+        /// MinimapHUD 调用后会立即通过 <c>PlaceCell</c> 按自身比例覆盖位置/尺寸。
+        /// </param>
+        public void Setup(MapRoomDataSO room, RoomVisibility visibility, Sprite icon,
+                          Action<string> onHover = null, Action onHoverExit = null,
+                          float pixelsPerCell = MapGridConstants.FullMapCellPixels)
+        {
+            _displayName = room.DisplayName;
+            _onHover     = onHover;
+            _onHoverExit = onHoverExit;
+
+            RT.anchoredPosition = new Vector2(room.GridPosition.x * pixelsPerCell,
+                                              room.GridPosition.y * pixelsPerCell);
+            RT.sizeDelta        = new Vector2(room.GridSize.x     * pixelsPerCell,
+                                              room.GridSize.y     * pixelsPerCell);
+
+            // 房间轮廓纹理（非矩形形状，覆盖在矩形背景上方）
+            if (_outlineImage != null)
+            {
+                _outlineImage.texture = room.RoomOutlineTex;
+                _outlineImage.enabled = room.RoomOutlineTex != null;
+            }
+
+            SetVisibility(visibility);
+
+            if (_icon != null)
+            {
+                _icon.sprite  = icon;
+                _icon.enabled = icon != null;
+            }
+        }
+
+        /// <summary>覆盖此格子的三级可见性颜色（通常由 MapPanel / MinimapHUD 在创建后统一调用）。</summary>
+        public void SetColors(Color explored, Color mapped, Color unknown)
+        {
+            _colExplored = explored;
+            _colMapped   = mapped;
+            _colUnknown  = unknown;
+            SetVisibility(_currentVisibility); // 用新颜色重新渲染当前状态
+        }
+
+        public void SetVisibility(RoomVisibility v)
+        {
+            _currentVisibility = v;
+            if (_bg == null) return;
+            _bg.color = v switch
+            {
+                RoomVisibility.Explored => _colExplored,
+                RoomVisibility.Mapped   => _colMapped,
+                _                       => _colUnknown,
+            };
+        }
+
+        /// <summary>向后兼容：直接传 bool 时等同于 Explored / Unknown。</summary>
+        public void SetDiscovered(bool v)
+            => SetVisibility(v ? RoomVisibility.Explored : RoomVisibility.Unknown);
+
+        /// <summary>激活/取消当前房间高亮描边。</summary>
+        public void SetHighlight(bool v)
+        {
+            if (_highlight != null) _highlight.enabled = v;
+        }
+
+        public void OnPointerEnter(PointerEventData _)
+        {
+            if (!string.IsNullOrEmpty(_displayName)) _onHover?.Invoke(_displayName);
+        }
+
+        public void OnPointerExit(PointerEventData _) => _onHoverExit?.Invoke();
+    }
+}