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/start.sh

@@ -1,26 +1,25 @@
 #!/bin/bash
 
-# QuantDinger Python API 启动脚本
+# QuantDinger Python API startup script
 
-# 激活虚拟环境（如果使用虚拟环境）
+# Activate the virtual environment if one is used
 # source venv/bin/activate
 
-# 检查依赖是否安装
+# Check whether dependencies are installed
 if ! python -c "import flask" 2>/dev/null; then
-    echo "正在安装依赖..."
+    echo "Installing dependencies..."
     pip install -r requirements.txt
 fi
 
-# 启动服务
-echo "启动 QuantDinger Python API 服务..."
-echo "服务地址: http://0.0.0.0:5000"
+# Start the service
+echo "Starting QuantDinger Python API service..."
+echo "Service address: http://0.0.0.0:5000"
 
-# 创建日志目录
+# Create the log directory
 mkdir -p logs
 
-# 开发环境（使用新的入口文件）
+# Development environment (uses the new entry file)
 python run.py
 
-# 生产环境（使用 gunicorn）
+# Production environment (uses gunicorn)
 # gunicorn -w 4 -b 0.0.0.0:5000 --timeout 120 --access-logfile logs/access.log --error-logfile logs/error.log "run:create_app()"
-