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/learning/profile_builder_test.go

@@ -0,0 +1,65 @@
+package learning
+
+import (
+	"context"
+	"encoding/json"
+	"testing"
+
+	"github.com/gooseek/backend/internal/llm"
+)
+
+func TestInferLevel(t *testing.T) {
+	tests := []struct {
+		years float64
+		want  string
+	}{
+		{0, "beginner"},
+		{1.5, "junior"},
+		{3.2, "middle"},
+		{6.5, "senior"},
+		{10, "lead"},
+	}
+
+	for _, tc := range tests {
+		got := inferLevel(tc.years)
+		if got != tc.want {
+			t.Fatalf("inferLevel(%v) = %q, want %q", tc.years, got, tc.want)
+		}
+	}
+}
+
+func TestExtractJSONBlockFromMarkdown(t *testing.T) {
+	input := "text before\n```json\n{\"name\":\"Alex\",\"level\":\"junior\"}\n```\ntext after"
+	got := extractJSONBlock(input)
+	if got != "{\"name\":\"Alex\",\"level\":\"junior\"}" {
+		t.Fatalf("unexpected json block: %q", got)
+	}
+}
+
+func TestBuildProfileFromOnboarding(t *testing.T) {
+	llmClient := &mockLLMClient{
+		generateFunc: func(ctx context.Context, req llm.StreamRequest) (string, error) {
+			return `{"name":"Иван","experience_years":1.5,"current_role":"qa","skills":["testing"],"programming_languages":["Go"],"frameworks":[],"education":"BS","industries":["it"],"strengths":["аналитика"],"growth_areas":["backend"],"career_goals":"backend","recommended_tracks":["backend go"],"level":"junior","summary":"Начинающий специалист"}`, nil
+		},
+	}
+
+	profileJSON, err := BuildProfileFromOnboarding(context.Background(), llmClient, map[string]string{
+		"experience_level": "junior",
+		"target_track":     "backend go",
+		"weekly_hours":     "10",
+	})
+	if err != nil {
+		t.Fatalf("BuildProfileFromOnboarding error: %v", err)
+	}
+
+	var profile map[string]interface{}
+	if err := json.Unmarshal(profileJSON, &profile); err != nil {
+		t.Fatalf("profile json unmarshal: %v", err)
+	}
+	if profile["name"] != "Иван" {
+		t.Fatalf("unexpected name: %v", profile["name"])
+	}
+	if profile["level"] != "junior" {
+		t.Fatalf("unexpected level: %v", profile["level"])
+	}
+}