feat(accounting): 添加做账合同追加费用功能

- 新增 append 模块处理追加费用相关逻辑
- 在 accounting 结构体中添加 Append 字段支持追加操作
- 添加 ArgsAuditAppendCost 和 ArgsAppendAddCost 等参数结构体
- 实现 AppendCost 方法用于追加费用审核流程
- 新增 PurchaseCostItem 结构体并实现 Purchase 方法获取采购合同费用
- 在 constant.go 中添加 BusinessTypeAccountingAppendCostAudit 业务类型常量
- 移除 sale/benefit.go 中的 OtherCost 字段优化成本结构
- 添加 payable.Gen 方法用于生成应付单
- 添加 receivable.Gen 方法用于生成应收单

erp/accounting/accounting.go

@@ -6,4 +6,5 @@ type Accounting struct {
 	Product product
 	Remark  remark
 	Old     old
+	Append  append
 }

erp/accounting/append.go

@@ -0,0 +1,47 @@
+package accounting
+
+import (
+	"context"
+	"time"
+
+	"git.kumo.work/shama/service/client"
+	"github.com/shopspring/decimal"
+)
+
+type append struct {
+}
+
+type ReplyCostInfo struct {
+	AccountingId   int64                 `json:"accountingId"`
+	FactoryId      int64                 `json:"factoryId"`
+	Name           string                `json:"name"`
+	Amount         decimal.Decimal       `json:"amount"`
+	Remarks        string                `json:"remarks"`
+	WorkflowId     int64                 `json:"workflowId"`
+	WorkflowStatus int64                 `json:"workflowStatus"`
+	WorkflowReason string                `json:"workflowReason"`
+	CreatedAt      *time.Time            `json:"createdAt"`
+	UpdatedAt      *time.Time            `json:"updatedAt"`
+	Products       []CostInfoProductItem `json:"products"`
+}
+
+type CostInfoProductItem struct {
+	AccountingProductId int64           `json:"accountingProductId"`
+	BeforeAmount        decimal.Decimal `json:"beforeAmount"`
+	Amount              decimal.Decimal `json:"amount"`
+	AfterAmount         decimal.Decimal `json:"afterAmount"`
+	Serial              string          `json:"serial"`
+	Name                string          `json:"name"`
+	BlEngName           string          `json:"blEngName"`
+	CustomsName         string          `json:"customsName"`
+}
+
+// CostInfo @TITLE 费用详情
+func (a *append) CostInfo(ctx context.Context, workflowId int64) (reply ReplyCostInfo, err error) {
+	xClient, err := client.GetClient(a)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "CostInfo", workflowId, &reply)
+	return
+}

erp/accounting/audit.go

@@ -5,6 +5,7 @@ import (
 
 	"git.kumo.work/shama/service/client"
 	"git.kumo.work/shama/service/erp/bean"
+	"github.com/shopspring/decimal"
 )
 
 type audit struct {
@@ -25,3 +26,35 @@ func (a *audit) Submit(ctx context.Context, args ArgsAuditSubmit) (err error) {
 	err = xClient.Call(ctx, "Submit", args, &reply)
 	return
 }
+
+type ArgsAuditAppendCost struct {
+	StaffId      int64             // 操作人
+	AccountingId int64             // 做账合同id
+	AuditItems   []bean.AuditItem  // 审核
+	AppendCost   ArgsAppendAddCost // 追加费用
+}
+
+type ArgsAppendAddCost struct {
+	Products  []AppendAddCostProduct
+	FactoryId int64           // 工厂id
+	Name      string          // 费用名
+	Amount    decimal.Decimal // 金额
+	Remarks   string          // 备注信息
+}
+
+type AppendAddCostProduct struct {
+	AccountingProductId int64           // 做账产品id
+	BeforeAmount        decimal.Decimal // 改前金额
+	Amount              decimal.Decimal // 调整金额
+	AfterAmount         decimal.Decimal // 改后金额
+}
+
+// AppendCost @TITLE 追加费用
+func (a *audit) AppendCost(ctx context.Context, args ArgsAuditAppendCost) (workflowId int64, err error) {
+	xClient, err := client.GetClient(a)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "AppendCost", args, &workflowId)
+	return
+}

erp/accounting/cost.go

@@ -2,9 +2,10 @@ package accounting
 
 import (
 	"context"
+	"time"
+
 	"git.kumo.work/shama/service/client"
 	"github.com/shopspring/decimal"
-	"time"
 )
 
 type cost struct {
@@ -32,6 +33,30 @@ func (c *cost) All(ctx context.Context, accountingId int64) (reply []CostItem, e
 	return
 }
 
+type PurchaseCostItem struct {
+	Id          int64           `json:"id"`
+	FactoryId   int64           `json:"factoryId"`
+	FactoryName string          `json:"factoryName"`
+	PiSerial    string          `json:"piSerial"`
+	PoSerial    string          `json:"poSerial"`
+	BatchNo     int64           `json:"batchNo"`
+	Name        string          `json:"name"`
+	Amount      decimal.Decimal `json:"amount"`
+	Remarks     string          `json:"remarks"`
+	CreatedAt   *time.Time      `json:"createdAt"`
+	UpdatedAt   *time.Time      `json:"updatedAt"`
+}
+
+// Purchase @TITLE 采购合同费用
+func (c *cost) Purchase(ctx context.Context, accountingId int64) (reply []PurchaseCostItem, err error) {
+	xClient, err := client.GetClient(c)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Purchase", accountingId, &reply)
+	return
+}
+
 type ArgsCostAdd struct {
 	AccountingId int64 // 做账合同ID
 	CostAdd