fix(dev): bind frontend to 127.0.0.1:8080 and avoid EACCES\nfix(backend): bind server to 127.0.0.1:8081, add permissive CORS whitelist\nfix(auth): login form UX remove default username, clarify placeholder, add test account autofill\nchore(api): set frontend API_BASE_URL to 127.0.0.1:8081\nrefactor(assignments): lifecycle/state logic and archive endpoint\nfeat(analytics): add exam stats endpoint and client method\nchore(lint): add eslint configs

Model.ts

@@ -50,14 +50,12 @@ export interface ApplicationUser extends BaseEntity {
     /** 头像URL */
     avatarUrl: string;
 
-    /** 性别：Male | Female | Unknown */
-    gender: 'Male' | 'Female' | 'Unknown';
+    gender: 'Male' | 'Female';
 
     /** 当前所属学校ID（冗余字段，用于快速确定用户主要归属） */
     currentSchoolId: string;
 
-    /** 账号状态：Active | Disabled */
-    accountStatus: 'Active' | 'Disabled';
+    accountStatus: 'Active' | 'Suspended' | 'Graduated';
 
     /** 邮箱（可选） */
     email?: string;
@@ -419,8 +417,7 @@ export interface SubmissionDetail extends BaseEntity {
  */
 export enum Gender {
     Male = 'Male',
-    Female = 'Female',
-    Unknown = 'Unknown'
+    Female = 'Female'
 }
 
 /**
@@ -428,7 +425,8 @@ export enum Gender {
  */
 export enum AccountStatus {
     Active = 'Active',
-    Disabled = 'Disabled'
+    Suspended = 'Suspended',
+    Graduated = 'Graduated'
 }
 
 /**