feat：1.移除所有明文服务密钥，采用环境变量方式读取

2.回调信息简化 \ stylist_agent_server.py中 一部分逻辑更新

app/server/utils/minio_client.py

@@ -10,9 +10,9 @@ import urllib3
 from PIL import Image
 from minio import Minio
 
-from app.server.utils.minio_config import MINIO_ACCESS, MINIO_SECRET, MINIO_URL, MINIO_SECURE
+from app.config import settings
 
-minio_client = Minio(MINIO_URL, access_key=MINIO_ACCESS, secret_key=MINIO_SECRET, secure=MINIO_SECURE)
+minio_client = Minio(settings.MINIO_URL, access_key=settings.MINIO_ACCESS, secret_key=settings.MINIO_SECRET, secure=settings.MINIO_SECURE)
 
 
 # 自定义 Retry 类