feat(trading-assistant): refactor strategy creation and enhance script mode functionality

- Removed conditional rendering for the assistant guide bar.
- Simplified strategy overview and strategy list item components.
- Introduced a new modal for selecting strategy mode.
- Enhanced strategy creation modal to support script strategies with a dedicated editor.
- Updated form handling for script strategies, including validation and submission logic.
- Improved user experience with better messaging and streamlined UI components.
- Updated translations for better clarity in Chinese.

frontend_vue/src/core/icons.js

@@ -3,8 +3,8 @@
  * All icons are loaded here for easy management
  * @see https://vue.ant.design/components/icon/#Custom-Font-Icon
  *
- * 自定义图标加载表
- * 所有图标均从这里加载，方便管理
+ * Custom icon registry
+ * All icons are loaded here for easier management
  */
 import bxAnaalyse from '@/assets/icons/bx-analyse.svg?inline' // path to your '*.svg?inline' file.