Interface Employee

interface Employee {
    id: string;
    employeeNumber: string;
    firstName: string;
    lastName: string;
    email?: string;
    phone?: string;
    dateOfBirth?: string;
    nationality?: string;
    maritalStatus?: string;
    childrenCount: number;
    contractType: string;
    department?: string;
    position?: string;
    hireDate: string;
    netSalary?: number;
    cin?: string;
    isActive: boolean;
    user?: { id: string; name: string; email: string };
    manager?: { id: string; firstName: string; lastName: string };
    subordinates?: { id: string; firstName: string; lastName: string }[];
    socialSecurityNumber?: string;
    taxId?: string;
    bankAccount?: string;
    emergencyContact?: string;
    payslips?: {
        id: string;
        period: string;
        netSalary: number;
        status: string;
    }[];
    leaves?: {
        id: string;
        type: string;
        startDate: string;
        endDate: string;
        status: string;
    }[];
    expenses?: { id: string; type: string; amount: number; status: string }[];
    trainingRecords?: {
        id: string;
        status: string;
        training: { title: string; provider?: string };
    }[];
}