feat: add noRecipe flag to items and revamp recipe list

Add noRecipe toggle to item editor to prevent recipe creation
Change RecipeList to display items and their recipe status
Show recipe details and related recipes directly in ItemDetail

frontend/src/views/ItemEdit.vue

@@ -21,6 +21,7 @@ const itemForm = ref({
   dyeable: false,
   dualDyeable: false,
   patternEditable: false,
+  noRecipe: false,
   acquisitionMethodIds: [] as string[],
   tagIds: [] as string[]
 });
@@ -29,6 +30,7 @@ const routeId = computed(() => (typeof route.params.id === 'string' ? route.para
 const isEditing = computed(() => routeId.value !== '');
 const pageTitle = computed(() => (isEditing.value ? `编辑 ${itemForm.value.name || '物品'}` : '新增物品'));
 const cancelTo = computed(() => (isEditing.value ? `/items/${routeId.value}` : '/items'));
+const hasRecipe = ref(false);
 
 function toIds(values: string[]): number[] {
   return values.map(Number).filter((item) => Number.isInteger(item) && item > 0);
@@ -57,9 +59,11 @@ async function loadEditor() {
         dyeable: item.customization.dyeable,
         dualDyeable: item.customization.dualDyeable,
         patternEditable: item.customization.patternEditable,
+        noRecipe: item.noRecipe,
         acquisitionMethodIds: item.acquisitionMethods.map((method) => String(method.id)),
         tagIds: item.tags.map((tag) => String(tag.id))
       };
+      hasRecipe.value = item.recipe !== null;
     }
   } catch (error) {
     message.value = errorText(error, '加载失败');
@@ -117,6 +121,7 @@ async function saveItem() {
       dyeable: itemForm.value.dyeable,
       dualDyeable: itemForm.value.dualDyeable,
       patternEditable: itemForm.value.patternEditable,
+      noRecipe: itemForm.value.noRecipe,
       acquisitionMethodIds: toIds(itemForm.value.acquisitionMethodIds),
       tagIds: toIds(itemForm.value.tagIds)
     };
@@ -185,6 +190,7 @@ onMounted(() => {
         <label><input v-model="itemForm.dyeable" type="checkbox" /> 可染色</label>
         <label><input v-model="itemForm.dualDyeable" type="checkbox" /> 可双区染色</label>
         <label><input v-model="itemForm.patternEditable" type="checkbox" /> 可改花纹</label>
+        <label><input v-model="itemForm.noRecipe" type="checkbox" :disabled="hasRecipe" /> 无材料单</label>
       </div>
 
       <div class="field">