fix(ui): resolve transition key conflicts in reorderable lists

Add listKeyPrefix prop to ensure unique keys across list instances
Remove enter/leave transition styles to prevent animation glitches

frontend/src/components/ReorderableList.vue

@@ -5,10 +5,12 @@ const props = withDefaults(defineProps<{
   items: T[];
   itemKey: (item: T) => string | number;
   itemLabel: (item: T) => string;
+  listKeyPrefix?: string;
   disabled?: boolean;
   handleLabel: (name: string) => string;
   handleTitle: string;
 }>(), {
+  listKeyPrefix: '',
   disabled: false
 });
 
@@ -28,6 +30,10 @@ function keyFor(item: T): string | number {
   return props.itemKey(item);
 }
 
+function transitionKeyFor(item: T): string {
+  return props.listKeyPrefix ? `${props.listKeyPrefix}:${String(keyFor(item))}` : String(keyFor(item));
+}
+
 function sameKey(first: string | number, second: string | number): boolean {
   return String(first) === String(second);
 }
@@ -181,7 +187,7 @@ function handleKeydown(item: T, event: KeyboardEvent) {
   <TransitionGroup name="reorderable-list" tag="ul" class="row-list reorderable-list">
     <li
       v-for="item in items"
-      :key="keyFor(item)"
+      :key="transitionKeyFor(item)"
       class="reorderable-row"
       :class="{
         'is-dragging': draggingKey === keyFor(item),

frontend/src/styles/main.css

@@ -1061,24 +1061,8 @@ button:disabled,
   bottom: -2px;
 }
 
-.reorderable-list-move,
-.reorderable-list-enter-active,
-.reorderable-list-leave-active {
-  transition:
-    opacity 0.18s ease,
-    transform 0.18s ease;
-}
-
-.reorderable-list-enter-from,
-.reorderable-list-leave-to {
-  opacity: 0;
-  transform: translateY(6px);
-}
-
-.reorderable-list-leave-active {
-  position: absolute;
-  right: 0;
-  left: 0;
+.reorderable-list-move {
+  transition: transform 0.18s ease;
 }
 
 .drag-handle {
@@ -1132,15 +1116,11 @@ button:disabled,
 @media (prefers-reduced-motion: reduce) {
   .reorderable-row,
   .reorderable-list-move,
-  .reorderable-list-enter-active,
-  .reorderable-list-leave-active,
   .drag-handle {
     transition: none;
   }
 
   .reorderable-row.is-dragging,
-  .reorderable-list-enter-from,
-  .reorderable-list-leave-to,
   .drag-handle:active {
     transform: none;
   }

frontend/src/views/AdminView.vue

@@ -563,6 +563,7 @@ onMounted(() => {
         :items="checklistRows"
         :item-key="checklistKey"
         :item-label="checklistLabel"
+        list-key-prefix="checklist"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -611,6 +612,7 @@ onMounted(() => {
         :items="configRows"
         :item-key="configKey"
         :item-label="configLabel"
+        :list-key-prefix="`config-${activeConfigType}`"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -662,6 +664,7 @@ onMounted(() => {
         :items="languageRows"
         :item-key="languageKey"
         :item-label="languageLabel"
+        list-key-prefix="languages"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -690,6 +693,7 @@ onMounted(() => {
         :items="pokemonRows"
         :item-key="pokemonKey"
         :item-label="pokemonLabel"
+        list-key-prefix="pokemon"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -714,6 +718,7 @@ onMounted(() => {
         :items="itemRows"
         :item-key="itemKey"
         :item-label="itemLabel"
+        list-key-prefix="items"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -738,6 +743,7 @@ onMounted(() => {
         :items="recipeRows"
         :item-key="recipeKey"
         :item-label="recipeLabel"
+        list-key-prefix="recipes"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"
@@ -762,6 +768,7 @@ onMounted(() => {
         :items="habitatRows"
         :item-key="habitatKey"
         :item-label="habitatLabel"
+        list-key-prefix="habitats"
         :disabled="busy"
         :handle-label="dragSortLabel"
         :handle-title="t('pages.admin.dragSortTitle')"