refactor: 系统权限模块重构，迁移至PostgreSQL并对齐新设计

- 切换数据库为PostgreSQL，更新依赖与配置
- 重构权限体系，使用sys_user/sys_role/sys_menu等新实体替代旧模型
- 移除旧的用户角色/权限/系统设置相关代码与实体
- 新增字典、菜单管理模块与基础CRUD接口
- 优化鉴权逻辑，基于菜单权限标识进行接口校验
- 前端同步更新API、路由与权限控制逻辑
- 删除冗余的v-permission指令与相关代码

server/src/service/dashboard.service.ts

@@ -1,17 +1,14 @@
 import { Provide, Inject } from "@midwayjs/core";
 import { InjectRepository } from "@midwayjs/sequelize";
-import User from "../entity/user.entity";
-import OperationLog from "../entity/operationLog.entity";
+import SysUser from "../entity/sysUser.entity";
+import SysOperationLog from "../entity/sysOperationLog.entity";
 import dayjs from "dayjs";
 import { Op } from "sequelize";
 
 @Provide()
 export class DashboardService {
-	@InjectRepository(User)
-	userModel!: typeof User;
-
-	@InjectRepository(OperationLog)
-	logModel!: typeof OperationLog;
+	@InjectRepository(SysOperationLog)
+	logModel!: typeof SysOperationLog;
 
 	async getDashboardStats(): Promise<any> {
 		const mockDeviceTotal = 1256;
@@ -103,15 +100,15 @@ export class DashboardService {
 			const logs = await this.logModel.findAll({
 				order: [["created_at", "DESC"]],
 				limit,
-				attributes: ["id", "username", "action", "module", "ip_address", "created_at"]
+				attributes: ["id", "action", "module", "ip", "created_at"]
 			});
 
 			return logs.map((log) => ({
 				id: log.id,
-				user: log.username || "系统",
+				user: String(log.userId || "系统"),
 				action: log.action,
 				module: log.module,
-				ip: log.ipAddress,
+				ip: log.ip,
 				time: dayjs(log.created_at).format("MM-DD HH:mm")
 			}));
 		} catch (error) {