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.

backend_api_python/.dockerignore

@@ -19,14 +19,14 @@ ENV/
 logs/
 *.log
 
-# Database (在 docker-compose 中挂载)
+# Database (mounted in docker-compose)
 *.db
 
 # Environment
 .env
 .env.local
 
-# Data (在 docker-compose 中挂载)
+# Data (mounted in docker-compose)
 data/memory/*.db
 
 # Git