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/config/config.default.ts

@@ -11,12 +11,12 @@ export default {
 	sequelize: {
 		dataSource: {
 			default: {
-				dialect: "mysql",
-				host: process.env.MYSQL_HOST || "localhost",
-				port: Number(process.env.MYSQL_PORT) || 3306,
-				database: process.env.MYSQL_DATABASE || "smart_grid_iot",
-				username: process.env.MYSQL_USERNAME || "root",
-				password: process.env.MYSQL_PASSWORD || "123",
+				dialect: "postgres",
+				host: process.env.PG_HOST || "localhost",
+				port: Number(process.env.PG_PORT) || 5432,
+				database: process.env.PG_DATABASE || "xintong",
+				username: process.env.PG_USERNAME || "postgres",
+				password: process.env.PG_PASSWORD || "postgres",
 				timezone: "+08:00",
 				models: [join(__dirname, "../entity")],
 				define: {
@@ -62,22 +62,5 @@ export default {
 		csrf: {
 			enable: false
 		}
-	},
-
-	middleware: ["authMiddleware", "rbacMiddleware", "logMiddleware"],
-
-	middlewareConfig: {
-		authMiddleware: {
-			match: "/api/**",
-			ignore: ["/api/auth/**", "/api/health"]
-		},
-		rbacMiddleware: {
-			match: "/api/**",
-			ignore: ["/api/auth/**", "/api/health", "/api/dashboard/**"]
-		},
-		logMiddleware: {
-			match: "/api/**",
-			ignore: ["/api/logs/**", "/api/health", "/api/auth/login"]
-		}
 	}
 } as MidwayConfig;

server/src/config/config.local.ts

@@ -1,5 +1,5 @@
 export default {
   sequelize: {
-    sync: true,
+    sync: false,
   },
 };