fix

apps/api/internal/processing/meta_test.go

@@ -1,6 +1,7 @@
 package processing
 
 import (
+	"context"
 	"strings"
 	"testing"
 	"unicode/utf8"
@@ -82,6 +83,66 @@ func TestTruncateMetaDescription_collapsesSpace(t *testing.T) {
 	}
 }
 
+func TestMetaFieldsFromEnhanceObj_snakeAndCamel(t *testing.T) {
+	t.Parallel()
+	mt, md := metaFieldsFromEnhanceObj(map[string]any{
+		"meta_title":       "Acme Widget Pro | Daily Use",
+		"meta_description": "Shop Acme Widget Pro for reliable everyday performance.",
+	})
+	if mt != "Acme Widget Pro | Daily Use" {
+		t.Fatalf("meta_title=%q", mt)
+	}
+	if !strings.Contains(md, "Acme Widget Pro") {
+		t.Fatalf("meta_description=%q", md)
+	}
+	mt, md = metaFieldsFromEnhanceObj(map[string]any{
+		"metaTitle":       "<b>Camel Title</b>",
+		"metaDescription": "<p>Camel desc with enough characters for a real SEO snippet about the product.</p>",
+	})
+	if strings.Contains(mt, "<") || mt == "" {
+		t.Fatalf("camel meta_title should be plain: %q", mt)
+	}
+	if strings.Contains(md, "<") || md == "" {
+		t.Fatalf("camel meta_description should be plain: %q", md)
+	}
+	mt, md = metaFieldsFromEnhanceObj(map[string]any{
+		"meta_title": "short retail title; follow any Title formula",
+	})
+	if mt != "" || md != "" {
+		t.Fatalf("leakage meta must be dropped: %q %q", mt, md)
+	}
+}
+
+func TestRunSteps_enhancePersistsMetaFields(t *testing.T) {
+	e := &Engine{Completer: stubCompleter{fn: func(system, user string) (Completion, error) {
+		return Completion{Text: `{
+			"name":"Acme Widget Pro",
+			"description":"<h2>Acme Widget Pro</h2><p>Durable widget for everyday use.</p>",
+			"meta_title":"Acme Widget Pro | Durable Daily Use",
+			"meta_description":"Shop Acme Widget Pro for reliable everyday performance. Clear specs and fast delivery."
+		}`, TotalTokens: 12}, nil
+	}}}
+	out, err := e.RunSteps(context.Background(), "c1", ProductInput{
+		Mapped:   map[string]any{"name": "Raw", "description": "old", "category": "tools"},
+		Language: "en",
+	}, "full", nil, StepPolicy{AllowAI: true})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if out.MetaTitle != "Acme Widget Pro | Durable Daily Use" {
+		t.Fatalf("MetaTitle=%q", out.MetaTitle)
+	}
+	if !strings.Contains(out.MetaDescription, "Shop Acme Widget Pro") {
+		t.Fatalf("MetaDescription=%q", out.MetaDescription)
+	}
+	if !strings.Contains(out.ProcessedDescription, "<h2>") {
+		t.Fatalf("description should stay HTML: %q", out.ProcessedDescription)
+	}
+	if strings.Contains(out.MetaDescription, "<") {
+		t.Fatalf("meta_description must be plain: %q", out.MetaDescription)
+	}
+}
+
 func TestV1PollMetaFallback_usesTemplateWhenEmpty(t *testing.T) {
 	t.Parallel()
 	title := "Cordless Drill"