Admin: add reverse chronological sorting and fix cache

pages/admin.vue

@@ -172,12 +172,42 @@ const searchFields = {
   talks: ['title', 'location', 'date']
 }
 
+const dateSortFields = {
+  works: 'date',
+  events: 'start_date',
+  releases: 'year',
+  talks: 'date'
+}
+
 const filteredItems = computed(() => {
-  if (!searchQuery.value.trim()) return items.value
+  let result = items.value
+
+  if (selectedCollection.value !== 'publications') {
+    const dateField = dateSortFields[selectedCollection.value]
+    if (dateField) {
+      result = [...result].sort((a, b) => {
+        const dateA = new Date(a[dateField] || 0)
+        const dateB = new Date(b[dateField] || 0)
+        return dateB - dateA
+      })
+    }
+  } else {
+    const getYear = (key) => parseInt(key.replace(/\D/g, '')) || 0
+    const getSuffix = (key) => key.replace(/^Winter\d+/, '') || ''
+
+    result = [...result].sort((a, b) => {
+      const yearA = getYear(a.citationKey)
+      const yearB = getYear(b.citationKey)
+      if (yearA !== yearB) return yearB - yearA
+      return getSuffix(b.citationKey).localeCompare(getSuffix(a.citationKey))
+    })
+  }
+
+  if (!searchQuery.value.trim()) return result
   const query = searchQuery.value.toLowerCase()
   const fields = searchFields[selectedCollection.value] || []
   
-  return items.value.filter(item => {
+  return result.filter(item => {
     for (const field of fields) {
       const value = field.split('.').reduce((obj, key) => obj?.[key], item)
       if (value && String(value).toLowerCase().includes(query)) {
@@ -242,13 +272,13 @@ function getTitle(item) {
 }
 
 async function loadItems() {
-  const { data } = await useFetch(`/api/admin/${selectedCollection.value}`)
-  items.value = data.value || []
+  const data = await $fetch(`/api/admin/${selectedCollection.value}`)
+  items.value = data || []
 }
 
 async function loadFiles() {
-  const { data } = await useFetch(`/api/admin/files?folder=${selectedFolder.value}`)
-  files.value = data.value || []
+  const data = await $fetch(`/api/admin/files?folder=${selectedFolder.value}`)
+  files.value = data || []
 }
 
 function createNew() {