feat: 班级小助手 阶段1-3（monorepo + 后端 REST/Socket.IO + Web 管理端）

packages/server/src/modules/students/students.schemas.ts

@@ -0,0 +1,28 @@
+import { z } from 'zod';
+import { keywordSchema } from '../../lib/schemas.js';
+
+export const listStudentsQuerySchema = z.object({
+  classId: z.string().min(1).optional(),
+  keyword: keywordSchema,
+});
+
+export const createStudentSchema = z.object({
+  username: z.string().trim().min(3, '用户名至少 3 位').max(32),
+  name: z.string().trim().min(1, '请输入姓名').max(32),
+  password: z.string().min(6, '密码至少 6 位').max(128).optional(),
+  classId: z.string().min(1).nullish(),
+});
+
+export const updateStudentSchema = z.object({
+  username: z.string().trim().min(3).max(32).optional(),
+  name: z.string().trim().min(1).max(32).optional(),
+  classId: z.string().min(1).nullish(),
+});
+
+export const resetPasswordSchema = z.object({
+  newPassword: z.string().min(6, '新密码至少 6 位').max(128).optional(),
+});
+
+export type CreateStudentInput = z.infer<typeof createStudentSchema>;
+export type UpdateStudentInput = z.infer<typeof updateStudentSchema>;
+export type ResetPasswordInput = z.infer<typeof resetPasswordSchema>;