feature: In-App Simulation Runner (Backend)

VigilCareClinicalAPI/Program.cs

@@ -167,6 +167,23 @@ try
     builder.Services.Configure<AlertQualityOptions>(
         builder.Configuration.GetSection(AlertQualityOptions.Section));
 
+    builder.Services.Configure<SimulationOptions>(
+        builder.Configuration.GetSection(SimulationOptions.Section));
+
+    var simulationOptions = builder.Configuration
+        .GetSection(SimulationOptions.Section).Get<SimulationOptions>() ?? new();
+
+    if (simulationOptions.Enabled)
+    {
+        builder.Services.AddHttpClient("simulation-loopback", c =>
+            c.BaseAddress = new Uri(simulationOptions.LoopbackBaseUrl));
+        builder.Services.AddSingleton<ISimulationClientFactory, SimulationClientFactory>();
+        builder.Services.AddSingleton<IScenarioCatalog, ScenarioCatalog>();
+        builder.Services.AddSingleton<SimulationRunner>();
+        builder.Services.AddSingleton<ISimulationRunner>(sp => sp.GetRequiredService<SimulationRunner>());
+        builder.Services.AddHostedService(sp => sp.GetRequiredService<SimulationRunner>());
+    }
+
     builder.Services.AddCors(options =>
     {
         options.AddPolicy("Dashboard", policy =>
@@ -345,6 +362,13 @@ try
                        || args.Contains("create-admin")
                        || args.Contains("register-gateway");
 
+    if (simulationOptions.Enabled && !isCliCommand)
+    {
+        Log.Warning(
+            "Simulation mode ENABLED — scenario replay endpoints are exposed. " +
+            "Do not run this configuration against real patient data.");
+    }
+
     // Demo data — including the seeded demo users with well-known passwords —
     // must never be created in production. Seeding:EnableDemoData defaults to
     // true so local development and the existing verification scripts are
@@ -360,7 +384,16 @@ try
         var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
         await DataSeeder.SeedAsync(db, redis);
         await GatewayRegistrySeeder.SeedAsync(db);
-        await UserSeeder.SeedAsync(db);
+        await UserSeeder.SeedAsync(
+            db,
+            simulationEnabled: simulationOptions.Enabled,
+            simulationRunnerPassword: simulationOptions.RunnerPassword);
+    }
+    else if (simulationOptions.Enabled && !isCliCommand && !app.Environment.IsEnvironment("Testing"))
+    {
+        using var scope = app.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+        await UserSeeder.EnsureSimulationRunnerAsync(db, simulationOptions.RunnerPassword);
     }
 
     if (!app.Environment.IsEnvironment("Testing"))