fix

apps/api/internal/processing/legacy_convert.go

@@ -19,7 +19,8 @@ func isDescriptionFieldKey(key string) bool {
 
 // PlainDescriptionFromAny coerces legacy description shapes to a single plain
 // string: string, {#text}, or arrays of those (joined with newlines). HTML is
-// stripped via v1PlainDescription so poll/store never keep ["…"] or markup blobs.
+// stripped via v1PlainDescription — use for meta/SEO and feed normalize only.
+// V1 process poll / formula bodies use DescriptionFromAny (keeps markup).
 func PlainDescriptionFromAny(v any) string {
 	if v == nil {
 		return ""
@@ -59,6 +60,49 @@ func PlainDescriptionFromAny(v any) string {
 	}
 }
 
+// DescriptionFromAny coerces legacy description shapes to a single string while
+// preserving formula HTML (h1/h2/p/ul/…). Unwraps JSON arrays / #text wrappers
+// but does not strip tags — used by V1 process item projection and catalog
+// normalize when enhance/formula HTML must reach clients and stay in DB.
+func DescriptionFromAny(v any) string {
+	if v == nil {
+		return ""
+	}
+	switch t := v.(type) {
+	case string:
+		return v1PreserveDescription(t)
+	case []string:
+		parts := make([]string, 0, len(t))
+		for _, s := range t {
+			if p := v1PreserveDescription(s); p != "" {
+				parts = append(parts, p)
+			}
+		}
+		return strings.Join(parts, "\n")
+	case []any:
+		parts := make([]string, 0, len(t))
+		for _, item := range t {
+			if p := DescriptionFromAny(item); p != "" {
+				parts = append(parts, p)
+			}
+		}
+		return strings.Join(parts, "\n")
+	case map[string]any:
+		for _, k := range []string{"#text", "text", "value", "description", "body"} {
+			if p := DescriptionFromAny(t[k]); p != "" {
+				return p
+			}
+		}
+		return ""
+	default:
+		s := strings.TrimSpace(fmt.Sprint(t))
+		if s == "" || s == "<nil>" {
+			return ""
+		}
+		return v1PreserveDescription(s)
+	}
+}
+
 // coerceScalarText flattens arrays / #text wrappers into a trimmed string without
 // HTML stripping (names, brands, stock labels, …).
 func coerceScalarText(v any) string {