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/app/services/indicator_params.py

@@ -272,13 +272,13 @@ class IndicatorCaller:
 
 def get_indicator_params(indicator_id: int) -> List[Dict[str, Any]]:
     """
-    获取指标的参数声明（供API调用）
+    Get the indicator parameter declarations for API usage
     
     Args:
-        indicator_id: 指标ID
+        indicator_id: Indicator ID
         
     Returns:
-        参数声明列表
+        A list of parameter declarations
     """
     try:
         with get_db_connection() as db: