fix: enforce logger entry budget across batches

tests/logger/queue_test.go

@@ -231,6 +231,27 @@ func TestQueueByteBudgetReleasedAfterFinalDiscard(t *testing.T) {
 	}
 }
 
+func TestQueueEntryBudgetIncludesWorkerBatch(t *testing.T) {
+	q := logger.NewQueue(nil, 1, 2, 1, time.Hour)
+	q.Submit(&logger.LogEntry{RequestID: "batched"})
+	q.Start(context.Background())
+
+	deadline := time.Now().Add(time.Second)
+	for q.Stats().Enqueued == 1 && time.Now().Before(deadline) {
+		q.Submit(&logger.LogEntry{RequestID: "queued"})
+		time.Sleep(time.Millisecond)
+	}
+	if stats := q.Stats(); stats.Enqueued != 1 {
+		t.Fatalf("stats=%+v; entry budget allowed channel plus worker batch", stats)
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+	if err := q.Stop(ctx); err != nil {
+		t.Fatalf("Stop: %v", err)
+	}
+}
+
 func TestQueueStopBeforeStartReleasesBudget(t *testing.T) {
 	entry := &logger.LogEntry{RequestID: "queued"}
 	q := logger.NewQueue(nil, 2, 2, 1, time.Hour, logger.EstimatedBytes(entry))