fix

apps/api/internal/processing/openai.go

@@ -644,6 +644,14 @@ func (h HeuristicCompleter) Complete(_ context.Context, system, user string) (Co
 	user = SanitizeText(user)
 	text := "General"
 	switch {
+	case strings.Contains(systemL, "categoryid") || (strings.Contains(systemL, "categor") && strings.Contains(systemL, "available categories")):
+		// Taxonomy pick: return first Available Categories (ID: …) from the user prompt.
+		id := firstAvailableCategoryIDFromPrompt(user)
+		if id == "" {
+			id = "unknown"
+		}
+		b, _ := json.Marshal(map[string]any{"categoryId": id, "confidence": 0.5})
+		text = string(b)
 	case strings.Contains(systemL, `"name"`) || strings.Contains(systemL, "titles and descriptions"):
 		// Prefer explicit Name:/Desc: (ProductEnhanceUser) or Current name: labels.
 		// Never use firstLine(user) alone — that line is often "Category: …".
@@ -659,8 +667,6 @@ func (h HeuristicCompleter) Complete(_ context.Context, system, user string) (Co
 		text = string(b)
 	case strings.Contains(systemL, "attributes") && strings.Contains(systemL, "json"):
 		text = `{"material":"unknown","brand":"unknown"}`
-	case strings.Contains(systemL, "categor"):
-		text = "General"
 	default:
 		// Never echo ProductEnhanceUser's first line ("Category: …") as title/output.
 		text = labeledPromptValue(user, "name:", "current name:")