refactor: 重构代码结构并优化命名一致性

feat(backend): 新增模块示例和路径配置
fix(backend): 修复菜单模型名称唯一性约束
refactor(backend): 重构日志模块和路径配置
style(backend): 统一API方法命名规范
refactor(frontend): 重构API方法命名规范
fix(frontend): 修复权限校验问题
refactor: 移动定时任务测试文件到正确模块
docs: 更新模板文件路径
refactor: 优化日志记录和错误处理
fix: 修复排序默认值问题

backend/templates/python/model.py.j2

@@ -1,32 +0,0 @@
-# -*- coding: utf-8 -*-
-
-{% for model_import in model_import_list %}
-{{ model_import }}
-{% endfor %}
-{% if table.sub %}
-from sqlalchemy.orm import relationship
-{% endif %}
-from typing import Optional
-from sqlalchemy.orm import Mapped, mapped_column
-
-from app.core.base_model import CreatorMixin
-
-
-class {{ class_name }}Model(CreatorMixin):
-    """
-    {{ function_name }}表
-    """
-    
-    __tablename__ = '{{ table_name }}'
-    __table_args__ = {'comment': '{{ function_name }}'}
-    __loader_options__ = ["creator"]
-
-    {% for column in columns %}
-    {% if column.column_name not in ['id', 'creator_id', 'description', 'created_at', 'updated_at'] %}
-    {{ column.column_name }}: Mapped[Optional[{{ column.python_type }}]] = mapped_column({{ column.column_type|get_sqlalchemy_type }}, {% if column.pk %}primary_key=True, {% endif %}{% if column.increment %}autoincrement=True, {% endif %}{% if column.required or column.pk %}nullable=False{% else %}nullable=True{% endif %}, comment='{{ column.column_comment }}')
-    {% endif %}
-    {% endfor %}
-
-    {% if table.sub %}
-    {{ sub_class_name }}_list = relationship('{{ sub_class_name }}', back_populates='{{ business_name }}')
-    {% endif %}