Fix: Crash in Add Product (Markup error)

src/scenes/admin/addProduct.js

@@ -20,11 +20,14 @@ const addProductScene = new Scenes.WizardScene(
         ctx.wizard.state.product = { media: [] };
 
         const categories = await Category.find();
-        const buttons = categories.map(c => c.name);
-        buttons.push(i18n.admin.new_cat || "➕ Yangi Kategoriya"); // Fallback
-        buttons.push(i18n.btn_cancel);
+        let buttons = categories.map(c => c.name);
+        buttons.push(i18n.admin.new_cat || "➕ Yangi Kategoriya");
+        buttons.push(i18n.btn_cancel || "❌ Bekor qilish");
 
-        ctx.reply(i18n.admin.enter_cat || "📂 Kategoriyani tanlang:", Markup.keyboard(buttons).resize());
+        // Filter out any undefined values to prevent crashes
+        buttons = buttons.filter(b => b);
+
+        ctx.reply(i18n.admin.enter_cat || "📂 Kategoriyani tanlang:", Markup.keyboard(buttons, { columns: 2 }).resize());
         return ctx.wizard.next();
     },
     // Step 2: Handle Category -> Ask Name