fix(06.2): WR-03 WR-04 fix pagination off-by-one and surface daily exports load errors

frontend/src/components/admin/AuditLogTab.vue

@@ -134,7 +134,7 @@
       <span class="text-sm text-gray-500">Page {{ page }}</span>
       <button
         @click="nextPage"
-        :disabled="entries.length < perPage"
+        :disabled="page * perPage >= total"
         class="text-sm text-gray-600 hover:text-gray-900 disabled:opacity-40 disabled:cursor-not-allowed px-3 py-1.5 border border-gray-200 rounded-lg hover:bg-gray-50 transition-colors"
       >
         Next
@@ -263,7 +263,7 @@ function prevPage() {
 }
 
 function nextPage() {
-  if (entries.value.length >= perPage) {
+  if (page.value * perPage < total.value) {
     page.value++
     fetchLog()
   }
@@ -294,6 +294,7 @@ async function loadDailyExports() {
     dailyExports.value = data.items ?? []
   } catch (e) {
     dailyExports.value = []
+    exportsError.value = 'Failed to load daily exports. Please try again.'
   } finally {
     loadingExports.value = false
   }