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/campaigns/refs_test.go

@@ -0,0 +1,40 @@
+package campaigns
+
+import (
+	"testing"
+
+	"github.com/google/uuid"
+)
+
+func TestValidateCampaignRefs(t *testing.T) {
+	okCats := make([]uuid.UUID, maxCampaignCategoryIDs)
+	okProds := make([]uuid.UUID, maxCampaignProductIDs)
+	for i := range okCats {
+		okCats[i] = uuid.New()
+	}
+	for i := range okProds {
+		okProds[i] = uuid.New()
+	}
+	if err := validateCampaignRefs(okCats, okProds); err != nil {
+		t.Fatalf("expected ok, got %v", err)
+	}
+
+	tooManyCats := append(append([]uuid.UUID{}, okCats...), uuid.New())
+	if err := validateCampaignRefs(tooManyCats, nil); err != ErrTooManyCategoryIDs {
+		t.Fatalf("got %v want ErrTooManyCategoryIDs", err)
+	}
+
+	tooManyProds := append(append([]uuid.UUID{}, okProds...), uuid.New())
+	if err := validateCampaignRefs(nil, tooManyProds); err != ErrTooManyProductIDs {
+		t.Fatalf("got %v want ErrTooManyProductIDs", err)
+	}
+}
+
+func TestClientErrorTooManyRefs(t *testing.T) {
+	for _, err := range []error{ErrTooManyProductIDs, ErrTooManyCategoryIDs} {
+		msg, ok := ClientError(err)
+		if !ok || msg == "" {
+			t.Fatalf("ClientError(%v) ok=%v msg=%q", err, ok, msg)
+		}
+	}
+}