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/pydantic_settings/utils.py

@@ -0,0 +1,24 @@
+from pathlib import Path
+
+_PATH_TYPE_LABELS = {
+    Path.is_dir: 'directory',
+    Path.is_file: 'file',
+    Path.is_mount: 'mount point',
+    Path.is_symlink: 'symlink',
+    Path.is_block_device: 'block device',
+    Path.is_char_device: 'char device',
+    Path.is_fifo: 'FIFO',
+    Path.is_socket: 'socket',
+}
+
+
+def path_type_label(p: Path) -> str:
+    """
+    Find out what sort of thing a path is.
+    """
+    assert p.exists(), 'path does not exist'
+    for method, name in _PATH_TYPE_LABELS.items():
+        if method(p):
+            return name
+
+    return 'unknown'