refactor(core): 重构核心分层结构并添加发布库聚合

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/Gpulse.WCT.DataAnalyzer/Commands/AggregateCommand.cs

@@ -0,0 +1,33 @@
+using System.CommandLine;
+using Gpulse.WCT.DataAnalyzer.Core.Application;
+
+namespace Gpulse.WCT.DataAnalyzer.Commands;
+
+/// <summary>
+/// 从本地解析库生成正式发布库。
+/// </summary>
+public class AggregateCommand : Command
+{
+    public AggregateCommand(AggregationService aggregationService)
+        : base("aggregate", "Aggregate local log data into the release database")
+    {
+        var rebuildOption = new Option<bool>(
+            "--rebuild",
+            () => true,
+            "Rebuild the release table before inserting aggregated records");
+        AddOption(rebuildOption);
+
+        this.SetHandler(async rebuild =>
+        {
+            try
+            {
+                var report = await aggregationService.AggregateAsync(rebuild);
+                Console.WriteLine($"Aggregated {report.LocalRecordCount} local Ploss records into {report.ReleaseRecordCount} release records.");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Aggregation failed: {ex.Message}");
+            }
+        }, rebuildOption);
+    }
+}