Fix AgentHarness CI failures

Signed-off-by: Eitan Yarmush <eitan.yarmush@solo.io>

Author: EItanya

.github/workflows/ci.yaml

@@ -81,7 +81,7 @@ jobs:
       - name: Install agent-sandbox
         run: |
           kubectl apply -f "https://github.com/kubernetes-sigs/agent-sandbox/releases/download/${AGENT_SANDBOX_VERSION}/manifest.yaml"
-          kubectl wait --for=condition=Established crd/sandboxes.agents.x-k8s.io --timeout=90s
+          timeout 90s bash -c 'until [ "$(kubectl get crd sandboxes.agents.x-k8s.io -o jsonpath="{.status.conditions[?(@.type==\"Established\")].status}" 2>/dev/null)" = "True" ]; do sleep 1; done'
           kubectl rollout status deployment/agent-sandbox-controller -n agent-sandbox-system --timeout=120s
           kubectl wait --for=condition=Ready pod -l app=agent-sandbox-controller -n agent-sandbox-system --timeout=120s
 

go/core/pkg/sandboxbackend/substrate/lifecycle_actortemplate.go

@@ -3,6 +3,7 @@ package substrate
 import (
 	"context"
 	"fmt"
+	"maps"
 	"strings"
 
 	atev1alpha1 "github.com/agent-substrate/substrate/api/v1alpha1"
@@ -94,12 +95,8 @@ func mergeLabels(existing, desired map[string]string) map[string]string {
 		return nil
 	}
 	merged := make(map[string]string, len(existing)+len(desired))
-	for k, v := range existing {
-		merged[k] = v
-	}
-	for k, v := range desired {
-		merged[k] = v
-	}
+	maps.Copy(merged, existing)
+	maps.Copy(merged, desired)
 	return merged
 }
 

go/core/pkg/sandboxbackend/substrate/lifecycle_delete_test.go

@@ -2,6 +2,7 @@ package substrate
 
 import (
 	"context"
+	"slices"
 	"testing"
 
 	atev1alpha1 "github.com/agent-substrate/substrate/api/v1alpha1"
@@ -24,10 +25,8 @@ type recordingActorClient struct {
 }
 
 func (r *recordingActorClient) GetActor(_ context.Context, in *ateapipb.GetActorRequest, _ ...grpc.CallOption) (*ateapipb.GetActorResponse, error) {
-	for _, deleted := range r.deleted {
-		if deleted == in.GetActorId() {
-			return nil, status.Error(codes.NotFound, "actor deleted")
-		}
+	if slices.Contains(r.deleted, in.GetActorId()) {
+		return nil, status.Error(codes.NotFound, "actor deleted")
 	}
 	return &ateapipb.GetActorResponse{
 		Actor: &ateapipb.Actor{