完善订单交接结账流程留痕

backend/internal/modules/order/deposit_hold.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"hfb_sys/backend/internal/model"
+	"hfb_sys/backend/internal/processlog"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -23,6 +24,7 @@ func (r *Repository) AdminHoldDeposit(ctx context.Context, adminID uint64, order
 		if !canHoldDeposit(order) {
 			return ErrDepositCannotHold
 		}
+		before := orderState(order)
 		beforeStatus := order.DepositHoldStatus
 		now := time.Now()
 		order.DepositHoldStatus = depositHoldStatusHeld
@@ -30,6 +32,9 @@ func (r *Repository) AdminHoldDeposit(ctx context.Context, adminID uint64, order
 		order.DepositHeldBy = &adminID
 		order.DepositHeldAt = &now
 		order.DepositHoldReleasedAt = nil
+		if err := appendOrderEvent(tx, order, "settlement", "deposit_held", processlog.ActorAdmin, adminID, processlog.ActorUser, &order.RenterID, "客服暂扣订单押金。", req.Reason, map[string]any{"deposit_amount_cent": order.DepositAmountCent}, before, nil); err != nil {
+			return err
+		}
 		if err := appendAuditLog(tx, adminID, "order.deposit_hold", "order", order.ID, meta, map[string]any{
 			"order_id":            order.ID,
 			"order_no":            order.OrderNo,
@@ -61,9 +66,13 @@ func (r *Repository) AdminReleaseDeposit(ctx context.Context, adminID uint64, or
 		if holdAmountCent <= 0 {
 			return ErrDepositHoldAmountEmpty
 		}
+		before := orderState(order)
 		now := time.Now()
 		order.DepositHoldStatus = depositHoldStatusReleased
 		order.DepositHoldReleasedAt = &now
+		if err := appendOrderEvent(tx, order, "settlement", "deposit_released", processlog.ActorAdmin, adminID, processlog.ActorUser, &order.RenterID, "客服归还已暂扣的押金。", req.Reason, map[string]any{"deposit_hold_amount_cent": holdAmountCent}, before, nil); err != nil {
+			return err
+		}
 		action, err := r.prepareRefund(&order, holdAmountCent, refundBizDeposit, "暂扣押金归还原路退回")
 		if err != nil {
 			return err