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/asyncpg/protocol/settings.pxd

@@ -0,0 +1,30 @@
+# Copyright (C) 2016-present the asyncpg authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of asyncpg and is released under
+# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0
+
+
+cdef class ConnectionSettings(pgproto.CodecContext):
+    cdef:
+        str _encoding
+        object _codec
+        dict _settings
+        bint _is_utf8
+        DataCodecConfig _data_codecs
+
+    cdef add_setting(self, str name, str val)
+    cdef is_encoding_utf8(self)
+    cpdef get_text_codec(self)
+    cpdef inline register_data_types(self, types)
+    cpdef inline add_python_codec(
+        self, typeoid, typename, typeschema, typeinfos, typekind, encoder,
+        decoder, format)
+    cpdef inline remove_python_codec(
+        self, typeoid, typename, typeschema)
+    cpdef inline clear_type_cache(self)
+    cpdef inline set_builtin_type_codec(
+        self, typeoid, typename, typeschema, typekind, alias_to, format)
+    cpdef inline Codec get_data_codec(
+        self, uint32_t oid, ServerDataFormat format=*,
+        bint ignore_custom_codec=*)