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/MapRoomDataSO.cs

@@ -40,6 +40,12 @@ namespace BaseGames.World.Map
                  "建议在关卡内容基本定型后更新此值。0 = 未填写，将跳过内存预算检查。")]
         [Min(0)]
         public int EstimatedMemoryKB;
+
+        private void OnValidate()
+        {
+            // 保证 GridSize 每轴最小为 1，防止零尺寸房间导致碰撞和渲染异常
+            GridSize = new Vector2Int(Mathf.Max(1, GridSize.x), Mathf.Max(1, GridSize.y));
+        }
     }
 
     [Serializable]
@@ -84,5 +90,67 @@ namespace BaseGames.World.Map
         }
 
         private void OnDisable() => _index = null; // SO 卸载时清理缓存
+
+        private void OnValidate() => _index = null; // 编辑器中修改 AllRooms 后强制重建索引
+
+        // ── 配置验证 ──────────────────────────────────────────────────────────
+
+        /// <summary>
+        /// 检查数据库中的常见配置错误（RoomId 重复、格子重叠、出口悬空）。
+        /// 编辑器侧调用；运行时不应调用（有 O(N²) 开销）。
+        /// 返回错误描述列表；空列表表示无错误。
+        /// </summary>
+        public List<string> ValidateAll()
+        {
+            var errors = new List<string>();
+            if (AllRooms == null) return errors;
+
+            // ① null / 空 RoomId
+            for (int i = 0; i < AllRooms.Length; i++)
+            {
+                if (AllRooms[i] == null)           { errors.Add($"AllRooms[{i}] 为 null"); continue; }
+                if (string.IsNullOrEmpty(AllRooms[i].RoomId))
+                    errors.Add($"AllRooms[{i}]（{AllRooms[i].name}）RoomId 为空");
+            }
+
+            // ② RoomId 重复
+            var seenIds = new Dictionary<string, string>();
+            foreach (var room in AllRooms)
+            {
+                if (room == null || string.IsNullOrEmpty(room.RoomId)) continue;
+                if (seenIds.TryGetValue(room.RoomId, out var first))
+                    errors.Add($"RoomId '{room.RoomId}' 重复（{first} 与 {room.name}）");
+                else
+                    seenIds[room.RoomId] = room.name;
+            }
+
+            // ③ 格子重叠
+            var cellOwner = new Dictionary<Vector2Int, string>();
+            foreach (var room in AllRooms)
+            {
+                if (room == null) continue;
+                for (int x = 0; x < room.GridSize.x; x++)
+                for (int y = 0; y < room.GridSize.y; y++)
+                {
+                    var cell = new Vector2Int(room.GridPosition.x + x, room.GridPosition.y + y);
+                    if (cellOwner.TryGetValue(cell, out var other))
+                        errors.Add($"'{room.RoomId}' 与 '{other}' 在格子 {cell} 重叠");
+                    else
+                        cellOwner[cell] = room.RoomId;
+                }
+            }
+
+            // ④ 出口目标不存在（单向验证）
+            var validIds = new HashSet<string>(seenIds.Keys);
+            foreach (var room in AllRooms)
+            {
+                if (room?.Exits == null) continue;
+                foreach (var exit in room.Exits)
+                    if (!string.IsNullOrEmpty(exit.TargetRoomId) && !validIds.Contains(exit.TargetRoomId))
+                        errors.Add($"'{room.RoomId}' 出口指向不存在的房间 '{exit.TargetRoomId}'");
+            }
+
+            return errors;
+        }
     }
 }