feat(25-shipment-presets-management): edycja, usuwanie i zarządzanie presetami przesyłek

Phase 25 complete — milestone v1.0 done:
- Ikonka edycji (✎) na hover z dropdown menu
- Edycja nazwy i koloru presetu w popup
- "Zapisz bieżące wartości" — aktualizacja parametrów z formularza
- Usuwanie z potwierdzeniem OrderProAlerts.confirm()
- SCSS: dropdown, edit-icon, btn-wrap style

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

resources/scss/modules/_shipment-presets.scss

@@ -92,3 +92,70 @@
     border-color: #333;
   }
 }
+
+.shipment-presets__btn-wrap {
+  position: relative;
+  display: inline-flex;
+
+  &:hover .shipment-presets__edit-icon {
+    opacity: 1;
+  }
+}
+
+.shipment-presets__edit-icon {
+  position: absolute;
+  top: -6px;
+  right: -6px;
+  width: 18px;
+  height: 18px;
+  border-radius: 50%;
+  background: #fff;
+  border: 1px solid #ddd;
+  font-size: 10px;
+  line-height: 16px;
+  text-align: center;
+  cursor: pointer;
+  opacity: 0;
+  transition: opacity 0.15s;
+  padding: 0;
+  color: #666;
+  z-index: 2;
+
+  &:hover {
+    background: #f3f4f6;
+    border-color: #999;
+  }
+}
+
+.shipment-presets__dropdown {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  margin-top: 4px;
+  background: #fff;
+  border: 1px solid #ddd;
+  border-radius: 6px;
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
+  z-index: 100;
+  min-width: 200px;
+  padding: 4px 0;
+}
+
+.shipment-presets__dropdown-item {
+  padding: 6px 14px;
+  font-size: 13px;
+  cursor: pointer;
+  white-space: nowrap;
+
+  &:hover {
+    background: #f3f4f6;
+  }
+
+  &.is-danger {
+    color: #ef4444;
+
+    &:hover {
+      background: #fef2f2;
+    }
+  }
+}