stela ops usage fixes roles propagation and timoeut, one account to support multi tenants, migrations consolidation, search to support documentation, doctor and open api vector db search

src/Router/__Libraries/StellaOps.Router.Gateway/Middleware/RoutingDecisionMiddleware.cs

@@ -60,6 +60,10 @@ public sealed class RoutingDecisionMiddleware
             AvailableConnections = availableConnections,
             GatewayRegion = gatewayConfig.Value.Region,
             RequestedVersion = ExtractVersionFromRequest(context, routingOptions.Value),
+            RouteDefaultTimeout = context.Items.TryGetValue(RouterHttpContextKeys.RouteDefaultTimeout, out var routeTimeoutObj) &&
+                                  routeTimeoutObj is TimeSpan routeTimeout
+                ? routeTimeout
+                : null,
             CancellationToken = context.RequestAborted
         };