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

controllers/aiRegistryController.go

@@ -205,6 +205,9 @@ func GetInternalAIRegistry(c *fiber.Ctx) error {
 	if !ok {
 		return nil
 	}
+	// Proof the engine is following the registry — see GetAIStatus. Counted
+	// for 304s too: an unchanged registry is still a successful read.
+	markRegistryRead()
 	tag := registry.ETag(snap)
 	c.Set(fiber.HeaderETag, tag)
 	c.Set(fiber.HeaderCacheControl, "no-cache")