Change department to position

services/companies_service.go

@@ -380,7 +380,7 @@ func (s *CompaniesService) GetStats() (map[string]any, error) {
 			"isActive":     serial.IsActive,
 			"createdAt":    serial.CreatedAt,
 			"type":         "employee",
-			"department":   serial.Department,
+			"position":     serial.Position,
 			"employeeName": serial.EmployeeName,
 		})
 	}

services/employees_service.go

@@ -24,7 +24,7 @@ type EmployeeSerialsService struct{}
 // Generate 生成员工序列号
 func (s *EmployeeSerialsService) Generate(
 	companyName string,
-	department string,
+	position string,
 	employeeName string,
 	quantity int,
 	userId uint,
@@ -79,7 +79,7 @@ func (s *EmployeeSerialsService) Generate(
 		serial := models.EmployeeSerial{
 			SerialNumber: strings.ToUpper(serialNumber),
 			CompanyName:  companyName,
-			Department:   department,
+			Position:     position,
 			EmployeeName: employeeName,
 			CreatedBy:    &userId,
 			IsActive:     true,
@@ -163,8 +163,8 @@ func (s *EmployeeSerialsService) Update(serialNumber string, updateData models.U
 		serial.CompanyName = updateData.CompanyName
 	}
 
-	if updateData.Department != "" {
-		serial.Department = updateData.Department
+	if updateData.Position != "" {
+		serial.Position = updateData.Position
 	}
 
 	if updateData.EmployeeName != "" {