v0.1.0: CRM/ERP 系统内测版本 - 安全加固完成

- Docker bridge 网络隔离（8000 端口封死）
- Gunicorn 4 Worker 多进程
- Alembic 数据库迁移基线
- 日志轮转 20m×3
- JWT 密钥 + DB 密码 + CORS 收紧
- 3-2-1 备份链路（NAS + R740-B 冷备）
- 连接池 pool_pre_ping + pool_recycle=3600

server/venv/lib/python3.12/site-packages/websockets/asyncio/compatibility.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+import sys
+
+
+__all__ = ["TimeoutError", "aiter", "anext", "asyncio_timeout", "asyncio_timeout_at"]
+
+
+if sys.version_info[:2] >= (3, 11):
+    TimeoutError = TimeoutError
+    aiter = aiter
+    anext = anext
+    from asyncio import (
+        timeout as asyncio_timeout,  # noqa: F401
+        timeout_at as asyncio_timeout_at,  # noqa: F401
+    )
+
+else:  # Python < 3.11
+    from asyncio import TimeoutError
+
+    def aiter(async_iterable):
+        return type(async_iterable).__aiter__(async_iterable)
+
+    async def anext(async_iterator):
+        return await type(async_iterator).__anext__(async_iterator)
+
+    from .async_timeout import (
+        timeout as asyncio_timeout,  # noqa: F401
+        timeout_at as asyncio_timeout_at,  # noqa: F401
+    )