save checkpoint

src/Router/StellaOps.Gateway.WebService/Program.cs

@@ -9,6 +9,7 @@ using StellaOps.Configuration;
 using StellaOps.Gateway.WebService.Authorization;
 using StellaOps.Gateway.WebService.Configuration;
 using StellaOps.Gateway.WebService.Middleware;
+using StellaOps.Gateway.WebService.Routing;
 using StellaOps.Gateway.WebService.Security;
 using StellaOps.Gateway.WebService.Services;
 using StellaOps.Messaging.DependencyInjection;
@@ -126,6 +127,19 @@ builder.Services.AddSingleton(new IdentityHeaderPolicyOptions
     AllowScopeHeaderOverride = bootstrapOptions.Auth.AllowScopeHeader
 });
 
+// Route table: resolver + error routes + HTTP client for reverse proxy
+builder.Services.AddSingleton(new StellaOpsRouteResolver(bootstrapOptions.Routes));
+builder.Services.AddSingleton<IEnumerable<StellaOpsRoute>>(
+    bootstrapOptions.Routes.Where(r =>
+        r.Type == StellaOpsRouteType.NotFoundPage ||
+        r.Type == StellaOpsRouteType.ServerErrorPage).ToList());
+builder.Services.AddHttpClient("RouteDispatch")
+    .ConfigurePrimaryHttpMessageHandler(() => new HttpClientHandler
+    {
+        ServerCertificateCustomValidationCallback =
+            HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
+    });
+
 ConfigureAuthentication(builder, bootstrapOptions);
 ConfigureGatewayOptionsMapping(builder, bootstrapOptions);
 
@@ -152,6 +166,12 @@ app.UseMiddleware<IdentityHeaderPolicyMiddleware>();
 app.UseMiddleware<HealthCheckMiddleware>();
 app.TryUseStellaRouter(routerOptions);
 
+// WebSocket support (before route dispatch)
+app.UseWebSockets();
+
+// Route dispatch for configured routes (static files, reverse proxy, websocket)
+app.UseMiddleware<RouteDispatchMiddleware>();
+
 if (bootstrapOptions.OpenApi.Enabled)
 {
     app.MapRouterOpenApi();
@@ -171,6 +191,9 @@ app.UseWhen(
         branch.UseMiddleware<RequestRoutingMiddleware>();
     });
 
+// Error page fallback (after all other middleware)
+app.UseMiddleware<ErrorPageFallbackMiddleware>();
+
 // Refresh Router endpoint cache
 app.TryRefreshStellaRouterEndpoints(routerOptions);