fix

apps/api/internal/processing/categorize_ai_test.go

@@ -2,6 +2,7 @@ package processing
 
 import (
 	"context"
+	"errors"
 	"strings"
 	"testing"
 )
@@ -62,28 +63,24 @@ func TestTryAICategorize_rejectsInventedID(t *testing.T) {
 		}},
 		Vector: NoopVectorCategorizer{},
 	}
+	// An id outside the taxonomy means the category could not be determined. The
+	// product must fail rather than continue uncategorised into enhance, which
+	// would generate copy with no formula behind it.
 	out, err := e.RunSteps(context.Background(), "co", ProductInput{
 		Name: "Widget",
 		CategoryNamesByUID: map[string]string{
 			"50": "Štedilniki",
 		},
 	}, "full", nil, StepPolicy{AllowAI: true})
-	if err != nil {
-		t.Fatal(err)
+	if !errors.Is(err, ErrCategoryNotFound) {
+		t.Fatalf("err=%v want ErrCategoryNotFound", err)
+	}
+	if !strings.Contains(err.Error(), "99999") {
+		t.Fatalf("error should name the rejected id, got %v", err)
 	}
 	if out.Category != "" {
 		t.Fatalf("Category=%q want empty (invented id rejected)", out.Category)
 	}
-	found := false
-	for _, n := range out.Notes {
-		if strings.Contains(n, "ai_categorize: ignored") {
-			found = true
-			break
-		}
-	}
-	if !found {
-		t.Fatalf("expected reject note, got %v", out.Notes)
-	}
 }
 
 func TestTryAICategorize_resolvesDisplayName(t *testing.T) {