diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 601080c6..8872dc13 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -15,6 +15,27 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
+
+    # The queue's ordering rule - consumers registered before the queue is
+    # started - is invisible on the memory backend, which is the default and
+    # therefore what every other test runs on: queue.Memory's Register starts a
+    # consumer goroutine whatever the state. Only redis refuses a late
+    # registration, so without a server here the tests that cover it would skip
+    # and the suite would report success for a queue that accepts no consumers.
+    services:
+      redis:
+        image: redis:7-alpine
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 10
+
+    env:
+      GO_ADMIN_TEST_REDIS_ADDR: 127.0.0.1:6379
+
     steps:
 
     - name: Set up Go 1.26
diff --git a/common/storage/queue_redis_test.go b/common/storage/queue_redis_test.go
new file mode 100644
index 00000000..ca14b120
--- /dev/null
+++ b/common/storage/queue_redis_test.go
@@ -0,0 +1,122 @@
+package storage
+
+import (
+	"errors"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/go-admin-team/go-admin-core/v2/sdk/config"
+	corestorage "github.com/go-admin-team/go-admin-core/v2/storage"
+	"github.com/go-admin-team/go-admin-core/v2/storage/queue"
+)
+
+// redisAddrEnv points these tests at a server. They are skipped without it, so
+// a developer with no redis running still gets a green run - and CI sets it,
+// which is the point: the ordering rule they cover is invisible on the memory
+// backend, and memory is the default. A suite that only ever exercised the
+// default would report success for a queue that silently drops every consumer.
+const redisAddrEnv = "GO_ADMIN_TEST_REDIS_ADDR"
+
+func redisAddr(t *testing.T) string {
+	t.Helper()
+	addr := os.Getenv(redisAddrEnv)
+	if addr == "" {
+		t.Skipf("%s is not set; skipping the redis-backed queue tests", redisAddrEnv)
+	}
+	return addr
+}
+
+// newRedisQueue builds the queue the same way setupQueue does - through
+// config.QueueConfig.Setup - so that what is under test is the adapter this
+// repository actually gets, LegacyQueueAdapter and all, rather than a redis
+// client wired up by the test.
+func newRedisQueue(t *testing.T, prefix string) corestorage.AdapterQueue {
+	t.Helper()
+	previous := config.QueueConfig
+	t.Cleanup(func() { config.QueueConfig = previous })
+
+	config.QueueConfig = &config.Queue{
+		Redis: &config.RedisQueue{
+			RedisOptions: config.RedisOptions{Addr: redisAddr(t)},
+			Group:        prefix,
+			KeyPrefix:    prefix,
+		},
+	}
+	q, err := config.QueueConfig.Setup()
+	if err != nil {
+		t.Fatalf("queue setup: %v", err)
+	}
+	t.Cleanup(q.Shutdown)
+	return q
+}
+
+func message(t *testing.T, stream string) corestorage.Messager {
+	t.Helper()
+	m := &queue.Message{}
+	m.SetStream(stream)
+	m.SetValues(map[string]interface{}{"hello": "world"})
+	return m
+}
+
+// Registered first, then started: the consumer gets the message. This is the
+// order setupQueue and attachQueueConsumers now produce between them.
+func TestRedisQueueDeliversToAConsumerRegisteredBeforeTheStart(t *testing.T) {
+	stream := "t-ordered"
+	q := newRedisQueue(t, "gotest-ordered")
+
+	got := make(chan struct{}, 1)
+	q.Register(stream, func(corestorage.Messager) error {
+		select {
+		case got <- struct{}{}:
+		default:
+		}
+		return nil
+	})
+	go q.Run()
+
+	// Give Start a moment to reach its read loop before publishing.
+	time.Sleep(500 * time.Millisecond)
+	if err := q.Append(message(t, stream)); err != nil {
+		t.Fatalf("append: %v", err)
+	}
+
+	select {
+	case <-got:
+	case <-time.After(15 * time.Second):
+		t.Fatal("the consumer never received the message")
+	}
+}
+
+// Started first, then registered: the registration is refused and every
+// publish afterwards fails.
+//
+// Subscribe answers ErrQueueAlreadyStarted, and LegacyQueueAdapter.Register
+// returns nothing, so the caller cannot know - that part is silent. What is not
+// silent is the consequence: no consumer group was created, so Publish refuses
+// the topic with ErrNoHandler on every single request, and go-admin's call
+// sites log that at error level while the login and operation log rows are
+// never written.
+//
+// This is the test the memory backend cannot provide. queue.Memory's Register
+// starts another consumer goroutine whatever the state, so the same code passes
+// there - which is how the defect survived, memory being the default.
+func TestRedisQueueRefusesAConsumerRegisteredAfterTheStart(t *testing.T) {
+	stream := "t-late"
+	q := newRedisQueue(t, "gotest-late")
+
+	go q.Run()
+	time.Sleep(500 * time.Millisecond)
+
+	q.Register(stream, func(corestorage.Messager) error { return nil })
+
+	err := q.Append(message(t, stream))
+	if err == nil {
+		t.Fatal("a message was accepted for a topic whose registration came after Start; " +
+			"if the backend now accepts late registration, the ordering rule in setupQueue can be revisited")
+	}
+	if !errors.Is(err, corestorage.ErrNoHandler) {
+		t.Fatalf("append failed with %v, want %v - the test is meant to pin the "+
+			"missing-consumer path, not any error at all", err, corestorage.ErrNoHandler)
+	}
+}