feat: add system quality improvement plan and implementation

e2e_tests/api/file_api.py

@@ -0,0 +1,41 @@
+"""
+文件管理API封装
+"""
+
+from typing import Dict, Any
+from httpx import AsyncClient
+
+
+class SysFileAPI:
+    """文件管理API"""
+
+    def __init__(self, client: AsyncClient):
+        self.client = client
+        self.base_path = "/api/files"
+
+    async def get_all(self) -> Any:
+        """获取所有文件"""
+        return await self.client.get(self.base_path)
+
+    async def get_by_id(self, file_id: int) -> Any:
+        """根据ID获取文件信息"""
+        return await self.client.get(f"{self.base_path}/{file_id}")
+
+    async def upload(self, file_path: str, create_by: str = "test") -> Any:
+        """上传文件"""
+        with open(file_path, "rb") as f:
+            files = {"file": f}
+            data = {"createBy": create_by}
+            return await self.client.post(f"{self.base_path}/upload", files=files, data=data)
+
+    async def download(self, file_name: str) -> Any:
+        """下载文件"""
+        return await self.client.get(f"{self.base_path}/download/{file_name}")
+
+    async def preview(self, file_name: str) -> Any:
+        """预览文件"""
+        return await self.client.get(f"{self.base_path}/preview/{file_name}")
+
+    async def delete(self, file_id: int) -> Any:
+        """删除文件"""
+        return await self.client.delete(f"{self.base_path}/{file_id}")