feat: 项目初始化 + 3D方块世界原型 + AI助搭系统

初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器

HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块

Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚

AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI

launcher/PCL-CE/Plain Craft Launcher 2/Modules/Updates/VersionAnnouncementDataModel.cs

@@ -0,0 +1,42 @@
+using System.Text.Json.Serialization;
+
+namespace PCL;
+
+public class VersionAnnouncementDataModel
+{
+    [JsonPropertyName("content")]
+    public List<VersionAnnouncementContentModel> Content { get; set; }
+}
+
+public class VersionAnnouncementContentModel
+{
+    [JsonPropertyName("title")]
+    public string Title { get; set; }
+
+    [JsonPropertyName("detail")]
+    public string Detail { get; set; }
+
+    [JsonPropertyName("id")]
+    public string Id { get; set; }
+
+    [JsonPropertyName("date")]
+    public string Date { get; set; }
+
+    [JsonPropertyName("btn1")]
+    public AnnouncementBtnInfoModel Btn1 { get; set; }
+
+    [JsonPropertyName("btn2")]
+    public AnnouncementBtnInfoModel Btn2 { get; set; }
+}
+
+public class AnnouncementBtnInfoModel
+{
+    [JsonPropertyName("text")]
+    public string Text { get; set; }
+
+    [JsonPropertyName("command")]
+    public string Command { get; set; }
+
+    [JsonPropertyName("command_paramter")]
+    public string CommandParameter { get; set; }
+}