feat(auth): 重构登录流程并增强错误处理

- 改进登录表单验证逻辑，增加非空和类型检查
- 更新认证 Cookie 名称为 Authorization 并调整安全设置
- 登录成功后返回重定向路径和成功消息
- 增强错误处理，区分网络错误、API 错误和未知错误
- 引入 ResponseError 类统一处理 API 响应错误
- 表单提交使用 enhance 函数优化用户体验
- 登录成功时显示 Toast 提示并自动跳转
- 移除独立的用户信息服务，整合至认证服务
- 删除旧的角色检查工具函数
- 新增错误处理工具函数 handleError

src/lib/api/services/authService.ts

@@ -1,8 +1,8 @@
 import { api } from '$lib/api/httpClient'; // 通常不需要 .ts 后缀
 import type { AuthResponse, LoginPayload } from '$lib/types/auth';
 import { authStore } from '$lib/stores/authStore';
-import { userService } from '$lib/api/services/userService';
 import { toast } from '$lib/stores/toastStore';
+import { ResponseError } from '$lib/types/error.ts';
 
 export const authService = {
 	/**
@@ -13,33 +13,16 @@ export const authService = {
 		const response = await api.post<AuthResponse>('/auth/login', payload);
 
 		if (response.code !== 200 || !response.data) {
-			throw new Error(response.msg || '登录失败');
+			throw new ResponseError(response);
 		}
 
-		const { token, tokenHead } = response.data;
+		const { token, tokenHead,userProfile } = response.data;
 
-		authStore.update(s => ({ ...s, token, tokenHead, isAuthenticated: true }));
+		authStore.update(s => ({ ...s, token, tokenHead, isAuthenticated: true,user: userProfile }));
 
-		try {
-			// 3. 获取用户信息
-			const userProfile = await userService.getUserProfile({tokenHead,token});
 
-			// 4. 最终确认登录状态（更新完整信息并持久化）
-			// 这里调用 Store 封装好的 login 方法，它会负责写入 localStorage
-			authStore.login({
-				token,
-				tokenHead,
-				user: userProfile
-			});
+		return response.data;
 
-			return response.data;
-
-		} catch (error) {
-
-			console.error('获取用户信息失败，回滚登录状态', error);
-			authStore.logout();
-			throw error; // 继续抛出错误给 UI 层处理
-		}
 	},
 
 	/**

src/lib/types/api.ts

@@ -1,5 +1,18 @@
+import type { ActionResult } from '@sveltejs/kit';
+
 export interface ApiResult<T> {
 	code: number,
 	msg: string,
 	data: T | null;
+}
+
+
+export type EnhanceResult<T> =  ActionResult & {
+	status: number;
+	type: "failure" | "success" | "redirect" | "error";
+	data: T;
+}
+export interface LoginFailure {
+	message: string;
+	username: string;
 }

src/lib/types/auth.ts

@@ -1,4 +1,6 @@
 import type { JsonObject } from '$lib/types/http.ts';
+import type { UserProfile } from '$lib/types/user.ts';
+
 
 export interface LoginPayload extends JsonObject {
 	username: string;
@@ -8,4 +10,6 @@ export interface LoginPayload extends JsonObject {
 export interface AuthResponse {
 	token: string;
 	tokenHead: string;
-}
+	userProfile: UserProfile;
+}
+

src/lib/types/error.ts

@@ -1,3 +1,5 @@
+import type { ApiResult } from '$lib/types/api.ts';
+
 export interface ApiError {
 	status: number;
 	details: {
@@ -5,4 +7,16 @@ export interface ApiError {
 		msg: string;
 	};
 	name: string;
-}
+}
+
+export class ResponseError extends Error {
+	code: number;
+	msg: string;
+
+	constructor(response: ApiResult<unknown>) {
+		super(response.msg);
+		this.code = response.code;
+		this.msg = response.msg;
+	}
+}
+

src/lib/utils/auth.ts

@@ -1,11 +0,0 @@
-import {user} from '$lib/stores/userStore';
-import {get} from 'svelte/store';
-
-export const hasRole = (role: string[]) => {
-	const userProfile = get(user);
-
-	if (!userProfile){
-		return false;
-	}
-	return role.some(r => userProfile.roles.includes(r))
-};

src/lib/utils/errorUtils.ts

@@ -0,0 +1,14 @@
+import { HttpError } from '$lib/api/httpClient.ts';
+import { fail } from '@sveltejs/kit';
+
+export const handleError = (error: Error) => {
+	if (error instanceof HttpError) {
+		return fail(error.s, {
+			message: error.details?.msg || '认证失败，请检查凭证'
+		});
+
+
+	if (error instanceof TypeError || (error instanceof Error && error.message.includes('fetch'))) {
+		return { message: '无法连接服务器，请检查网络' };
+	}
+};