feat: backend service

backend/internal/notification/runtime_adapter.go

@@ -0,0 +1,35 @@
+package notification
+
+import (
+	"context"
+
+	"galaxy/backend/internal/runtime"
+)
+
+// RuntimeAdapter returns an implementation of
+// `runtime.NotificationPublisher` backed by *Service. The adapter
+// translates runtime's narrow `(kind, idempotency_key, payload)` shape
+// into a notification.Intent and calls Submit. Recipient resolution is
+// handled by Submit's catalog lookup: every kind runtime emits is
+// `Admin: true`, so the recipient comes from the configured
+// `BACKEND_NOTIFICATION_ADMIN_EMAIL`.
+func (s *Service) RuntimeAdapter() runtime.NotificationPublisher {
+	return &runtimeAdapter{svc: s}
+}
+
+type runtimeAdapter struct {
+	svc *Service
+}
+
+func (a *runtimeAdapter) PublishRuntimeEvent(ctx context.Context, kind, idempotencyKey string, payload map[string]any) error {
+	if a == nil || a.svc == nil {
+		return nil
+	}
+	intent := Intent{
+		Kind:           kind,
+		IdempotencyKey: idempotencyKey,
+		Payload:        payload,
+	}
+	_, err := a.svc.Submit(ctx, intent)
+	return err
+}