Wrap electronic pickles cover titles

internal/app/card_manifest_deck.go

@@ -98,7 +98,7 @@ func buildCardManifestDeckJSON(data []byte) (string, error) {
 			CTA:     cardManifestCoverCTA(manifest.SourceApp),
 		},
 		Content: deck.PageContent{
-			Title:    strings.TrimSpace(manifest.Document.Title),
+			Title:    cardManifestCoverTitle(manifest.Document),
 			Subtitle: cardManifestCoverSubtitle(manifest.Document),
 		},
 	})
@@ -153,6 +153,15 @@ func cardManifestItemPage(item cardManifestItem, pageNumber int, pageCount int)
 	}, nil
 }
 
+func cardManifestCoverTitle(document cardManifestDocument) string {
+	title := strings.TrimSpace(document.Title)
+	before, after, ok := strings.Cut(title, "｜")
+	if ok && strings.Contains(before, "电子榨菜") && strings.TrimSpace(after) != "" {
+		return strings.TrimSpace(before) + "\n" + strings.TrimSpace(after)
+	}
+	return title
+}
+
 func cardManifestCoverSubtitle(document cardManifestDocument) string {
 	bullets := make([]string, 0, minInt(len(document.Summary), cardManifestCoverSummaryMaxItems))
 	for _, item := range document.Summary {

internal/app/service_test.go

@@ -284,6 +284,28 @@ func TestServiceGeneratePreviewBuildsCardManifestDeckWithoutAI(t *testing.T) {
 	}
 }
 
+func TestBuildCardManifestDeckWrapsElectronicPicklesCoverTitle(t *testing.T) {
+	deckJSON, err := buildCardManifestDeckJSON([]byte(`{
+		"schema_version":"card-article-manifest/v1",
+		"source_app":"vidtrace",
+		"document":{"title":"每日电子榨菜｜2026-06-16"},
+		"items":[
+			{"id":"BV111","category":"B站热门","title":"第一条","sections":[{"label":"内容概览","body":"第一条内容。"}]},
+			{"id":"BV222","category":"B站热门","title":"第二条","sections":[{"label":"内容概览","body":"第二条内容。"}]}
+		]
+	}`))
+	if err != nil {
+		t.Fatalf("buildCardManifestDeckJSON() error = %v", err)
+	}
+	var got deck.Deck
+	if err := json.Unmarshal([]byte(deckJSON), &got); err != nil {
+		t.Fatalf("Unmarshal(deckJSON) error = %v", err)
+	}
+	if got.Pages[0].Content.Title != "每日电子榨菜\n2026-06-16" {
+		t.Fatalf("cover title = %q, want natural line break", got.Pages[0].Content.Title)
+	}
+}
+
 func TestServiceGeneratePreviewBuildsNoImageCardManifestItemsAsTextCaption(t *testing.T) {
 	root := t.TempDir()
 	manifestPath := filepath.Join(root, "manifest.json")