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/PCL.Core/Model/Homepage/News/ApiResponse.cs

@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace PCL.Core.Model.Tools.News;
+
+public class ApiResponse
+{
+    [JsonPropertyName("result")]
+    public required Result Result { get; set; }
+}

launcher/PCL-CE/PCL.Core/Model/Homepage/News/NewsItem.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Text.Json.Serialization;
+
+namespace PCL.Core.Model.Tools.News;
+
+public class NewsItem
+{
+    [JsonPropertyName("title")]
+    public required string Title { get; set; }
+
+    [JsonPropertyName("url")]
+    public required string Url { get; set; }
+
+    [JsonPropertyName("description")]
+    public required string Description { get; set; }
+
+    [JsonPropertyName("author")]
+    public string? Author { get; set; }
+
+    [JsonPropertyName("image")]
+    public required string Image { get; set; }
+
+    [JsonPropertyName("imageAltText")]
+    public string? ImageAltText { get; set; }
+
+    [JsonPropertyName("time")]
+    public long Time { get; set; } // Unix 时间戳（秒）
+
+    [JsonPropertyName("type")]
+    public string? Type { get; set; }
+
+    [JsonPropertyName("locale")]
+    public string? Locale { get; set; }
+
+    public DateTime PublishDate => DateTimeOffset.FromUnixTimeSeconds(Time).LocalDateTime;
+}

launcher/PCL-CE/PCL.Core/Model/Homepage/News/Result.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace PCL.Core.Model.Tools.News;
+
+public class Result
+{
+    [JsonPropertyName("results")]
+    public required List<NewsItem> Results { get; set; }
+    [JsonPropertyName("numFound")]
+    public int NumFound { get; set; }
+    [JsonPropertyName("page")]
+    public int Page { get; set; }
+}