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/Data/WctMinerDbContext.cs

@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore;
+using WCTDataMiner.Core.Models;
+
+namespace WCTDataMiner.Core.Data;
+
+/// <summary>
+/// WCT数据采集数据库上下文
+/// </summary>
+public class WctMinerDbContext : DbContext
+{
+    public WctMinerDbContext(DbContextOptions<WctMinerDbContext> options)
+        : base(options) { }
+
+    // 维度表
+    public DbSet<TxPanel> TxPanels => Set<TxPanel>();
+    public DbSet<TxHardware> TxHardwares => Set<TxHardware>();
+    public DbSet<TxSoftware> TxSoftwares => Set<TxSoftware>();
+    public DbSet<RxType> RxTypes => Set<RxType>();
+
+    // 事实表
+    public DbSet<TestScenario> TestScenarios => Set<TestScenario>();
+    public DbSet<QfodRecord> QfodRecords => Set<QfodRecord>();
+    public DbSet<PlossRecord> PlossRecords => Set<PlossRecord>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        // 自动应用所有 IEntityTypeConfiguration<T> 配置
+        modelBuilder.ApplyConfigurationsFromAssembly(typeof(WctMinerDbContext).Assembly);
+    }
+}