Restructure solution layout by module

src/Policy/StellaOps.Policy.Engine/Workers/PolicyEngineBootstrapWorker.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Threading;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using StellaOps.Policy.Engine.Hosting;
+using StellaOps.Policy.Engine.Options;
+
+namespace StellaOps.Policy.Engine.Workers;
+
+internal sealed class PolicyEngineBootstrapWorker : BackgroundService
+{
+    private readonly ILogger<PolicyEngineBootstrapWorker> logger;
+    private readonly PolicyEngineStartupDiagnostics diagnostics;
+    private readonly PolicyEngineOptions options;
+
+    public PolicyEngineBootstrapWorker(
+        ILogger<PolicyEngineBootstrapWorker> logger,
+        PolicyEngineStartupDiagnostics diagnostics,
+        PolicyEngineOptions options)
+    {
+        this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        this.diagnostics = diagnostics ?? throw new ArgumentNullException(nameof(diagnostics));
+        this.options = options ?? throw new ArgumentNullException(nameof(options));
+    }
+
+    protected override Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        logger.LogInformation("Policy Engine bootstrap worker started. Authority issuer: {AuthorityIssuer}. Database: {Database}.",
+            options.Authority.Issuer,
+            options.Storage.DatabaseName);
+
+        diagnostics.MarkReady();
+        return Task.CompletedTask;
+    }
+}