feat: 重构项目结构，添加 WPF 应用

- 将核心功能提取到 WCTDataMiner.Core 类库
- 添加 WCTDataMiner.Wpf 桌面应用
- 支持数据解析、导出、统计等功能

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/WCTDataMiner.Core/Models/TxSoftware.cs

@@ -0,0 +1,15 @@
+namespace WCTDataMiner.Core.Models;
+
+/// <summary>
+/// TX软件版本维度表
+/// </summary>
+public class TxSoftware
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public string Version { get; set; } = null!;
+    public bool IsDeleted { get; set; } = false;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    // Navigation Properties
+    public ICollection<TestScenario> TestScenarios { get; set; } = [];
+}