test: capture ordering regressions and enforce deploy resources

loadtest/im-pressure/recorder.go

@@ -30,6 +30,7 @@ type deliveryRecorder struct {
 	lastSeq    []map[string]int64
 	duplicates int64
 	outOfOrder int64
+	ordering   []OrderingViolation
 	malformed  int64
 	history    map[string]bool
 }
@@ -92,6 +93,16 @@ func (r *deliveryRecorder) onData(account AccountRecord, data dataPacket) {
 	r.received.Add(1)
 	if previous := r.lastSeq[index][data.Topic]; previous > 0 && data.Seq < previous {
 		r.outOfOrder++
+		if len(r.ordering) < 100 {
+			r.ordering = append(r.ordering, OrderingViolation{
+				ReceiverMachine: r.machine,
+				ReceiverIndex:   account.Index,
+				TopicHash:       topicHash(data.Topic),
+				PreviousSeq:     previous,
+				CurrentSeq:      data.Seq,
+				ClientMid:       mid,
+			})
+		}
 	}
 	if data.Seq > r.lastSeq[index][data.Topic] {
 		r.lastSeq[index][data.Topic] = data.Seq
@@ -132,6 +143,7 @@ func (r *deliveryRecorder) summarize(base AgentSummary, ledger []AcceptedMessage
 	defer r.mu.Unlock()
 	base.Duplicates = r.duplicates
 	base.OutOfOrder = r.outOfOrder
+	base.OrderingViolations = append([]OrderingViolation(nil), r.ordering...)
 	if r.malformed > 0 {
 		base.Errors = append(base.Errors, fmt.Sprintf("malformed run messages=%d", r.malformed))
 	}