feat: implement caching for base model list retrieval and enhance model list fetching logic

apps/common/auth/constants/category_constants.py

@@ -1,11 +1,12 @@
 # coding=utf-8
 """
-    @project: MaxKB
-    @Author：虎虎虎
-    @file： category_constants.py
-    @date：2026/8/3 17:31
-    @desc: 一级目录分类常量（最顶层分类）
+@project: MaxKB
+@Author：虎虎虎
+@file： category_constants.py
+@date：2026/8/3 17:31
+@desc: 一级目录分类常量（最顶层分类）
 """
+
 from enum import Enum
 from django.utils.translation import gettext_lazy as _
 
@@ -14,6 +15,9 @@ class Category(Enum):
     """
     一级目录（最顶层分类），用于在 parent_group 之上再加一层分类
     """
+
+    # 概览
+    HOME = ("HOME", _("Home page"))
     # 身份与权限
     IAM = ("IAM", _("IAM"))
     # 资源管理

apps/common/auth/constants/permission_constants.py

@@ -92,12 +92,16 @@ class PermissionConstants(Enum):
 
     SYSTEM_HOMEPAGE_READ = (
         Permission(group=Group.SYSTEM_HOMEPAGE, sub_group=Group.SYSTEM_HOMEPAGE, operate=Operate.READ, bit_index=0),
-        PermissionMeta(role_list=[RoleConstants.ADMIN], category=Category.IAM, scope=[PermissionScopeConstants.SYSTEM]),
+        PermissionMeta(
+            role_list=[RoleConstants.ADMIN], category=Category.HOME, scope=[PermissionScopeConstants.SYSTEM]
+        ),
     )
 
     SYSTEM_HOMEPAGE_EXPORT = (
         Permission(group=Group.SYSTEM_HOMEPAGE, sub_group=Group.SYSTEM_HOMEPAGE, operate=Operate.EXPORT, bit_index=1),
-        PermissionMeta(role_list=[RoleConstants.ADMIN], category=Category.IAM, scope=[PermissionScopeConstants.SYSTEM]),
+        PermissionMeta(
+            role_list=[RoleConstants.ADMIN], category=Category.HOME, scope=[PermissionScopeConstants.SYSTEM]
+        ),
     )
 
     # ==================== 资源主分组（无子分组） ====================

apps/common/utils/common.py

@@ -17,7 +17,7 @@
 import secrets
 import shutil
 import uuid
-from functools import reduce
+from functools import lru_cache, reduce
 from typing import Dict, List
 
 import pytz
@@ -197,10 +197,14 @@ def markdown_to_plain_text(md: str) -> str:
     return text
 
 
-def get_file_content(path):
+@lru_cache(maxsize=None)
+def get_file_content(path: str) -> str:
+    """
+    Read static resource files (SQL templates, prompts, forms).
+    Results are cached because these files do not change at runtime.
+    """
     with open(path, "r", encoding="utf-8") as file:
-        content = file.read()
-    return content
+        return file.read()
 
 
 def sub_array(array: List, item_num=10):