优化订单支付

backend/internal/modules/dispute/repository.go

@@ -3,6 +3,7 @@ package dispute
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
 	"math"
 	"time"
 
@@ -268,6 +269,16 @@ func (r *Repository) Arbitrate(adminID uint64, id uint64, req ArbitrateRequest,
 		if err := tx.Save(&account).Error; err != nil {
 			return err
 		}
+		handoffRecord := model.HandoffRecord{
+			OrderID:    order.ID,
+			FromUserID: adminID,
+			ToUserID:   order.RenterID,
+			Type:       "admin_arbitration",
+			Content:    buildArbitrationHandoffContent(req, settlement),
+		}
+		if err := tx.Create(&handoffRecord).Error; err != nil {
+			return err
+		}
 		disputeID := row.ID
 		if err := appendAuditLog(tx, adminID, "dispute.arbitrate", "dispute", row.ID, meta, map[string]any{
 			"dispute_id":               row.ID,
@@ -525,6 +536,44 @@ func arbitrateOrderStatus(result string) string {
 	}
 }
 
+func buildArbitrationHandoffContent(req ArbitrateRequest, settlement arbitrationSettlement) string {
+	content := fmt.Sprintf("客服仲裁结果：%s", arbitrationResultLabel(req.Result))
+	if req.Remark != "" {
+		content += "\n处理说明：" + req.Remark
+	}
+	if settlement.RenterRefundAmount > 0 {
+		content += fmt.Sprintf("\n退款给租客：¥%.2f", settlement.RenterRefundAmount)
+	}
+	if settlement.OwnerIncomeAmount > 0 {
+		content += fmt.Sprintf("\n结算给号主：¥%.2f", settlement.OwnerIncomeAmount)
+	}
+	if settlement.DepositDeductAmount > 0 {
+		content += fmt.Sprintf("\n押金扣除：¥%.2f", settlement.DepositDeductAmount)
+	}
+	return content
+}
+
+func arbitrationResultLabel(result string) string {
+	switch result {
+	case "full_refund":
+		return "全额退款"
+	case "partial_refund":
+		return "部分退款"
+	case "deduct_deposit":
+		return "扣押金"
+	case "release_deposit":
+		return "释放押金"
+	case "compensate_owner":
+		return "赔付号主"
+	case "order_close":
+		return "关闭订单"
+	case "mark_abnormal":
+		return "标记异常"
+	default:
+		return result
+	}
+}
+
 func disputeType(input string, isCheckoutDispute bool) string {
 	if isCheckoutDispute {
 		return "checkout_dispute"

backend/internal/modules/dispute/repository_test.go

@@ -1,6 +1,7 @@
 package dispute
 
 import (
+	"strings"
 	"testing"
 
 	"hfb_sys/backend/internal/model"
@@ -76,3 +77,25 @@ func TestBuildArbitrationSettlementLimitsFrozenReleaseToExistingBalance(t *testi
 		t.Fatalf("release frozen entry count = %d, want 1", releaseEntryCount)
 	}
 }
+
+func TestBuildArbitrationHandoffContent(t *testing.T) {
+	content := buildArbitrationHandoffContent(ArbitrateRequest{
+		Result: "partial_refund",
+		Remark: "账号异常，退还部分租金。",
+	}, arbitrationSettlement{
+		RenterRefundAmount: 80,
+		OwnerIncomeAmount:  120,
+	})
+
+	wantParts := []string{
+		"客服仲裁结果：部分退款",
+		"处理说明：账号异常，退还部分租金。",
+		"退款给租客：¥80.00",
+		"结算给号主：¥120.00",
+	}
+	for _, part := range wantParts {
+		if !strings.Contains(content, part) {
+			t.Fatalf("handoff content = %q, want include %q", content, part)
+		}
+	}
+}