Refactor and translate comments and docstrings in utility modules to English for better clarity and maintainability. Update Gunicorn and application startup messages for consistency in language. Enhance documentation with English translations for better accessibility.

backend_api_python/app/routes/health.py

@@ -1,5 +1,5 @@
 """
-健康检查路由
+Health check routing
 """
 from flask import Blueprint, jsonify
 from datetime import datetime
@@ -9,7 +9,7 @@ health_bp = Blueprint('health', __name__)
 
 @health_bp.route('/', methods=['GET'])
 def index():
-    """API 首页"""
+    """API Home Page"""
     return jsonify({
         'name': 'QuantDinger Python API',
         'version': '2.0.0',
@@ -20,7 +20,7 @@ def index():
 
 @health_bp.route('/health', methods=['GET'])
 def health_check():
-    """健康检查"""
+    """health check"""
     return jsonify({
         'status': 'healthy',
         'timestamp': datetime.now().isoformat()
@@ -29,5 +29,5 @@ def health_check():
 
 @health_bp.route('/api/health', methods=['GET'])
 def api_health_check():
-    """兼容路径：用于容器健康检查/反代探针等场景。"""
+    """Compatible path: used for container health check/anti-generation probe and other scenarios."""
     return health_check()