feat(agent): unify service statuses across monitor impls

agent/internal/models/service.go

@@ -1,6 +1,22 @@
 package models
 
+// ServiceStatus represents the unified status of a service across all monitor types.
+type ServiceStatus string
+
+const (
+	StatusRunning  ServiceStatus = "running"
+	StatusStopped  ServiceStatus = "stopped"
+	StatusDegraded ServiceStatus = "degraded"
+	StatusPending  ServiceStatus = "pending"
+	StatusUnknown  ServiceStatus = "unknown"
+)
+
+// IsHealthy reports whether the service is stable enough for dependents to rely on.
+func (s ServiceStatus) IsHealthy() bool {
+	return s == StatusRunning
+}
+
 type Service struct {
 	Name   string
-	Status string
+	Status ServiceStatus
 }

agent/internal/monitor/docker/impl.go

@@ -36,7 +36,23 @@ func (self *DockerMonitor) CheckServices(ctx context.Context) ([]models.Service,
 	return lo.Map(ctrs.Items, func(item container.Summary, _ int) models.Service {
 		return models.Service{
 			Name:   lo.If(len(item.Names) > 0, item.Names[0]).Else(item.ID),
-			Status: string(item.State), // TODO: map to standartized states enum
+			Status: mapContainerState(string(item.State)),
 		}
 	}), nil
 }
+
+// mapContainerState maps Docker container states to unified ServiceStatus.
+func mapContainerState(state string) models.ServiceStatus {
+	switch state {
+	case "running":
+		return models.StatusRunning
+	case "exited", "dead":
+		return models.StatusStopped
+	case "paused":
+		return models.StatusDegraded
+	case "restarting", "created", "removing":
+		return models.StatusPending
+	default:
+		return models.StatusUnknown
+	}
+}

agent/internal/monitor/kubes/impl.go

@@ -44,7 +44,23 @@ func (self *KubesMonitor) CheckServices(ctx context.Context) ([]models.Service,
 	return lo.Map(pods.Items, func(item corev1.Pod, _ int) models.Service {
 		return models.Service{
 			Name:   item.Name,
-			Status: string(item.Status.Phase), // TODO: map to standartized states enum
+			Status: mapPodPhase(item.Status.Phase),
 		}
 	}), nil
 }
+
+// mapPodPhase maps K8s pod phases to unified ServiceStatus.
+func mapPodPhase(phase corev1.PodPhase) models.ServiceStatus {
+	switch phase {
+	case corev1.PodRunning:
+		return models.StatusRunning
+	case corev1.PodSucceeded:
+		return models.StatusStopped
+	case corev1.PodFailed:
+		return models.StatusStopped
+	case corev1.PodPending:
+		return models.StatusPending
+	default:
+		return models.StatusUnknown
+	}
+}