chore: 批量优化项目代码，修复多处细节问题

本次提交包含多项优化和修复：
1. 修复CRUD初始化参数传递、搜索参数处理逻辑
2. 更新环境配置中的大模型相关参数
3. 重构部分服务方法命名，统一代码风格
4. 新增多个枚举类型，补充模型关联关系和加载选项
5. 优化查询参数类实现，完善字段校验逻辑
6. 调整Pydantic模型字段注释和类型定义
7. 简化并移除冗余的CRUD方法实现
8. 新增超级管理员权限装饰器
9. 修复邮件日志模型的租户关联和字段定义

backend/app/api/v1/module_common/monitoring/schema.py

@@ -2,31 +2,31 @@
 
 from __future__ import annotations
 
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class DependencyStatus(BaseModel):
     """依赖状态"""
 
-    status: str
-    latency_ms: float | None = None
+    status: str = Field(..., description="状态")
+    latency_ms: float | None = Field(default=None, description="延迟(毫秒)")
 
 
 class HealthOut(BaseModel):
     """基础健康检查响应"""
 
-    status: str
-    timestamp: str
-    version: str
-    uptime_seconds: float
+    status: str = Field(..., description="状态")
+    timestamp: str = Field(..., description="时间戳")
+    version: str = Field(..., description="版本号")
+    uptime_seconds: float = Field(..., description="运行时间(秒)")
 
 
 class ReadinessOut(BaseModel):
     """就绪探针响应"""
 
-    status: str
-    timestamp: str
-    version: str
-    uptime_seconds: float
-    dependencies: dict[str, DependencyStatus]
-    disk_usage: float
+    status: str = Field(..., description="状态")
+    timestamp: str = Field(..., description="时间戳")
+    version: str = Field(..., description="版本号")
+    uptime_seconds: float = Field(..., description="运行时间(秒)")
+    dependencies: dict[str, DependencyStatus] = Field(..., description="依赖状态")
+    disk_usage: float = Field(..., description="磁盘使用率")