updates on the airegistry and controllers and test files are been integrated

controllers/aiStatus_test.go

@@ -0,0 +1,20 @@
+package controllers
+
+import (
+	"testing"
+	"time"
+)
+
+// Without Redis (as in this test binary) the in-process stamp still works, so
+// a single replica reports the engine's reads correctly.
+func TestRegistryReadStampWithoutRedis(t *testing.T) {
+	lastRegistryRead.Store(0)
+	if registryLastRead() != nil {
+		t.Fatal("no read yet must report nil")
+	}
+	markRegistryRead()
+	got := registryLastRead()
+	if got == nil || time.Since(*got) > 5*time.Second {
+		t.Fatalf("stamp not recorded: %v", got)
+	}
+}