fix: improve retry feedback and deletion stability

src/styles/global.css

@@ -6919,6 +6919,72 @@
   color: var(--color-text-strong);
 }
 
+.downstream-requeue-confirm,
+.downstream-requeue-result {
+  align-items: flex-start;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-lg);
+  display: flex;
+  gap: var(--space-3);
+  padding: var(--space-4);
+}
+
+.downstream-requeue-confirm {
+  background: #fffbeb;
+  border-color: #fde68a;
+  color: #92400e;
+}
+
+.downstream-requeue-confirm > div,
+.downstream-requeue-result > div {
+  display: grid;
+  gap: var(--space-2);
+  min-width: 0;
+}
+
+.downstream-requeue-confirm p,
+.downstream-requeue-confirm small,
+.downstream-requeue-confirm strong,
+.downstream-requeue-result p,
+.downstream-requeue-result small {
+  margin: 0;
+}
+
+.downstream-requeue-confirm strong {
+  line-height: 1.6;
+}
+
+.downstream-requeue-result--success {
+  background: #f0fdf4;
+  border-color: #bbf7d0;
+  color: #166534;
+}
+
+.downstream-requeue-result--partial {
+  background: #fffbeb;
+  border-color: #fde68a;
+  color: #92400e;
+}
+
+.downstream-requeue-result--failed {
+  background: #fef2f2;
+  border-color: #fecaca;
+  color: #991b1b;
+}
+
+.downstream-requeue-result p,
+.downstream-requeue-result li {
+  line-height: 1.6;
+  overflow-wrap: anywhere;
+}
+
+.downstream-requeue-result ul {
+  margin: 0;
+  max-height: 180px;
+  overflow: auto;
+  padding-left: var(--space-5);
+}
+
 .downstream-delivery-toolbar > div,
 .downstream-delivery-list__actions {
   align-items: center;