style: format all Python files with Black

Apply Black formatter to the entire codebase for consistent code style.

Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>

scripts/migrate_to_env.py

@@ -5,6 +5,7 @@
 
 将现有的 JSON 配置文件迁移到 .env 环境变量文件
 """
+
 import os
 import sys
 import json
@@ -21,7 +22,7 @@ from config.schema import AppConfig
 def migrate_json_to_env(
     json_file: str = "config/user_settings.json",
     env_file: str = ".env",
-    backup: bool = True
+    backup: bool = True,
 ) -> bool:
     """
     迁移 JSON 配置到 .env 文件
@@ -46,7 +47,7 @@ def migrate_json_to_env(
     # 检查 .env 文件是否已存在
     if env_path.exists():
         response = input(f"⚠️  .env 文件已存在: {env_path}\n是否覆盖? (y/N): ")
-        if response.lower() != 'y':
+        if response.lower() != "y":
             print("❌ 迁移已取消")
             return False
 
@@ -63,6 +64,7 @@ def migrate_json_to_env(
 
         # 使用 ConfigLoader 将字典转换为配置对象
         from config.loader import ConfigLoader
+
         config = ConfigLoader._dict_to_config(json_data)
 
         # 保存到 .env 文件
@@ -95,13 +97,13 @@ def migrate_json_to_env(
     except Exception as e:
         print(f"❌ 迁移失败: {e}")
         import traceback
+
         traceback.print_exc()
         return False
 
 
 def create_env_from_example(
-    example_file: str = ".env.example",
-    env_file: str = ".env"
+    example_file: str = ".env.example", env_file: str = ".env"
 ) -> bool:
     """
     从 .env.example 创建 .env 文件
@@ -122,7 +124,7 @@ def create_env_from_example(
 
     if env_path.exists():
         response = input(f"⚠️  .env 文件已存在: {env_path}\n是否覆盖? (y/N): ")
-        if response.lower() != 'y':
+        if response.lower() != "y":
             print("❌ 操作已取消")
             return False
 
@@ -160,7 +162,9 @@ def main():
         elif command == "migrate":
             # 从 JSON 迁移
             print("\n📋 模式: 从 JSON 配置迁移")
-            json_file = sys.argv[2] if len(sys.argv) > 2 else "config/user_settings.json"
+            json_file = (
+                sys.argv[2] if len(sys.argv) > 2 else "config/user_settings.json"
+            )
             env_file = sys.argv[3] if len(sys.argv) > 3 else ".env"
             migrate_json_to_env(json_file, env_file)
             return
@@ -192,7 +196,9 @@ def main():
     choice = input("\n请输入选项 (1-3): ").strip()
 
     if choice == "1":
-        json_file = input("JSON 配置文件路径 (默认: config/user_settings.json): ").strip()
+        json_file = input(
+            "JSON 配置文件路径 (默认: config/user_settings.json): "
+        ).strip()
         if not json_file:
             json_file = "config/user_settings.json"
 
@@ -201,7 +207,7 @@ def main():
             env_file = ".env"
 
         backup_choice = input("是否备份原 JSON 文件? (Y/n): ").strip().lower()
-        backup = backup_choice != 'n'
+        backup = backup_choice != "n"
 
         migrate_json_to_env(json_file, env_file, backup)