feat: finalize core modules and gateway

src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/LogCleanupJob.cs

@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Logging;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 日志清理任务（占位实现）。
+/// </summary>
+public sealed class LogCleanupJob(ILogger<LogCleanupJob> logger)
+{
+    /// <summary>
+    /// 执行日志清理。
+    /// </summary>
+    public Task ExecuteAsync()
+    {
+        logger.LogInformation("定时任务：清理历史日志（占位实现）");
+        return Task.CompletedTask;
+    }
+}