feat(t219): show pending-payment reconciliation

backend-api/internal/transport/httpapi/admin_handlers.go

@@ -380,6 +380,9 @@ func (h *adminHandlers) taskDetail(ctx *gin.Context) {
 		"order_authorizations": orderAuthorizationResponses(
 			detail.OrderAuthorizations,
 		),
+		"order_submissions": adminOrderSubmissionResponses(
+			detail.OrderSubmissions,
+		),
 		"events": events,
 		"assets": []gin.H{
 			assetResponse(detail.Asset),
@@ -387,6 +390,50 @@ func (h *adminHandlers) taskDetail(ctx *gin.Context) {
 	})
 }
 
+func adminOrderSubmissionResponses(
+	submissions []domain.OrderSubmission,
+) []gin.H {
+	result := make([]gin.H, 0, len(submissions))
+	for _, submission := range submissions {
+		result = append(result, adminOrderSubmissionResponse(submission))
+	}
+	return result
+}
+
+func adminOrderSubmissionResponse(
+	submission domain.OrderSubmission,
+) gin.H {
+	return gin.H{
+		"id":                         submission.ID,
+		"authorization_id":           submission.AuthorizationID,
+		"dry_run_id":                 submission.DryRunID,
+		"execution_id":               submission.ExecutionID,
+		"status":                     submission.Status,
+		"expected_title":             submission.ExpectedTitle,
+		"expected_sku":               submission.ExpectedSKU,
+		"expected_quantity":          submission.ExpectedQuantity,
+		"expected_unit_price_cents":  submission.ExpectedUnitPriceCents,
+		"expected_total_price_cents": submission.ExpectedTotalPriceCents,
+		"platform_order_no":          submission.PlatformOrderNo,
+		"platform_ordered_at": formatOptionalTime(
+			submission.PlatformOrderedAt,
+		),
+		"platform_order_status": submission.PlatformOrderStatus,
+		"reconciliation_evidence_asset_id": submission.
+			ReconciliationEvidenceAssetID,
+		"reconciliation_evidence_sha256": submission.
+			ReconciliationEvidenceSHA256,
+		"manual_reason_code": submission.ManualReasonCode,
+		"fenced_at":          formatTime(submission.FencedAt),
+		"reconciled_at": formatOptionalTime(
+			submission.ReconciledAt,
+		),
+		"manual_review_at": formatOptionalTime(
+			submission.ManualReviewAt,
+		),
+	}
+}
+
 func (h *adminHandlers) createOrderAuthorization(ctx *gin.Context) {
 	var request struct {
 		ExecutionID               string                                `json:"execution_id"`