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/IMapService.cs

@@ -13,5 +13,14 @@ namespace BaseGames.World.Map
 
         /// <summary>玩家当前所在区域 ID（最近一次 EVT_RegionChanged 对应的值）。</summary>
         string CurrentRegionId { get; }
+
+        /// <summary>已踏入的房间总数。</summary>
+        int ExploredRoomCount { get; }
+
+        /// <summary>探索进度 0~1（已探索房间数 / 数据库总房间数）。</summary>
+        float GetExplorationProgress();
+
+        /// <summary>返回属于指定区域的所有房间数据；regionId 为空时返回空数组。</summary>
+        MapRoomDataSO[] GetRoomsByRegion(string regionId);
     }
 }