Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/api/internal/billing/features_api_test.go

@@ -0,0 +1,90 @@
+package billing
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strings"
+	"testing"
+)
+
+func TestDefaultPlanFeaturesStarterBYOK(t *testing.T) {
+	m := DefaultPlanFeatures("Starter", false)
+	if !m["catalog.products.process_ai_titles"] {
+		t.Fatal("Starter should allow AI titles")
+	}
+	if m["integrations.ai.byok"] || m["capability.byok"] {
+		t.Fatal("Starter should deny BYOK")
+	}
+}
+
+func TestDefaultPlanFeaturesGrowthAllOn(t *testing.T) {
+	m := DefaultPlanFeatures("Growth", false)
+	for _, k := range FeatureCatalogKeys {
+		if !m[k] {
+			t.Fatalf("Growth should allow %s", k)
+		}
+	}
+}
+
+func TestPlanAllowsOverrideFalseWins(t *testing.T) {
+	overrides := map[string]bool{"settings.api_keys": false}
+	if PlanAllowsFeature("Growth", false, overrides, "settings.api_keys") {
+		t.Fatal("override false should win on Growth")
+	}
+}
+
+func TestResolveFeaturesGlobalFeatureOff(t *testing.T) {
+	gates := FeatureGatesView{
+		Sections: map[string]bool{},
+		Features: map[string]bool{"capability.byok": false},
+	}
+	features := ResolveFeatures("Business", false, nil, gates)
+	if features["capability.byok"] {
+		t.Fatal("global feature kill-switch should win")
+	}
+}
+
+func TestSparseDefaultOverridesFree(t *testing.T) {
+	sparse := SparseDefaultOverrides("Free", false)
+	if sparse["catalog.products.process_ai_titles"] != false {
+		t.Fatal("expected sparse false for AI titles")
+	}
+	if _, ok := sparse["catalog.products"]; ok {
+		t.Fatal("ON keys should not appear in sparse overrides")
+	}
+	if len(SparseDefaultOverrides("Acme", true)) != 0 {
+		t.Fatal("custom sparse should be empty")
+	}
+}
+
+func TestValidateFeatureOverridesRejectsUnknown(t *testing.T) {
+	err := validateFeatureOverrides(map[string]bool{"not.a.real.key": true})
+	if !errors.Is(err, ErrUnknownFeatureKey) {
+		t.Fatalf("want ErrUnknownFeatureKey, got %v", err)
+	}
+}
+
+func TestListFeaturesCatalogComplete(t *testing.T) {
+	s := &Service{}
+	list, err := s.ListFeatures(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(list) != len(FeatureCatalogKeys) {
+		t.Fatalf("got %d want %d", len(list), len(FeatureCatalogKeys))
+	}
+	if list[0].Section == "" {
+		t.Fatal("section required")
+	}
+}
+
+func TestAssertFeatureErrorWraps(t *testing.T) {
+	err := fmt.Errorf("%w: %s", ErrFeatureDisabled, "marketing.campaigns.generate_ai")
+	if !errors.Is(err, ErrFeatureDisabled) {
+		t.Fatal(err)
+	}
+	if !strings.Contains(err.Error(), "marketing.campaigns.generate_ai") {
+		t.Fatal(err)
+	}
+}