feat: add Attendance module with batch, summary, calendar, and dingtalk endpoints

apps/server/src/entities/attendance-record.entity.ts

@@ -0,0 +1,52 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
+  Index,
+} from 'typeorm';
+import { Student } from './student.entity';
+import { Class } from './class.entity';
+
+@Entity('attendance_records')
+@Index(['classId', 'attendanceDate'])
+@Index(['studentId', 'attendanceDate'])
+export class AttendanceRecord {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column({ name: 'student_id', type: 'integer' })
+  studentId: number;
+
+  @ManyToOne(() => Student, { onDelete: 'CASCADE' })
+  @JoinColumn({ name: 'student_id' })
+  student: Student;
+
+  @Column({ name: 'class_id', type: 'integer', nullable: true })
+  classId: number;
+
+  @ManyToOne(() => Class, { onDelete: 'SET NULL', nullable: true })
+  @JoinColumn({ name: 'class_id' })
+  class: Class;
+
+  @Column({ name: 'attendance_date', type: 'date' })
+  attendanceDate: string;
+
+  @Column({ length: 20 })
+  session: string;
+
+  @Column({ length: 20 })
+  status: string;
+
+  @Column({ length: 200, nullable: true })
+  remark: string;
+
+  @CreateDateColumn({ name: 'created_at' })
+  createdAt: Date;
+
+  @UpdateDateColumn({ name: 'updated_at' })
+  updatedAt: Date;
+}