feat: CI/CD pipeline + Learning/Medicine/Travel services

- Add Gitea Actions workflow for automated build & deploy
- Add K8s manifests: webui, travel-svc, medicine-svc, sandbox-svc
- Update kustomization for localhost:5000 registry
- Add ingress for gooseek.ru and api.gooseek.ru
- Learning cabinet with onboarding, courses, sandbox integration
- Medicine service with symptom analysis and doctor matching
- Travel service with itinerary planning
- Server setup scripts (NVIDIA/CUDA, K3s, Gitea runner)

Made-with: Cursor

backend/internal/agent/orchestrator.go

@@ -54,6 +54,7 @@ type OrchestratorConfig struct {
 	TravelSvcURL        string
 	TravelPayoutsToken  string
 	TravelPayoutsMarker string
+	PhotoCache          *PhotoCacheService
 }
 
 type DigestResponse struct {
@@ -94,6 +95,10 @@ func RunOrchestrator(ctx context.Context, sess *session.Session, input Orchestra
 		return RunTravelOrchestrator(ctx, sess, input)
 	}
 
+	if input.Config.AnswerMode == "learning" || input.Config.LearningMode {
+		return RunLearningOrchestrator(ctx, sess, input)
+	}
+
 	detectedLang := detectLanguage(input.FollowUp)
 	isArticleSummary := strings.HasPrefix(strings.TrimSpace(input.FollowUp), "Summary: ")