feat(api): add cache + busting for admin

polylan_submitter/src/Noita.vue

@@ -11,6 +11,7 @@ const userInfo = ref({
   rank: null as number | null,
   score: 0,
   runsSubmitted: 0,
+  isStaff: false,
 });
 
 const uploadedFiles = ref<File[]>([]);
@@ -148,6 +149,30 @@ const fetchLeaderboard = async () => {
   }
 };
 
+const clearCache = async () => {
+  try {
+    const response = await fetch("/api/cache/clear", {
+      method: "POST",
+    });
+
+    if (response.ok) {
+      alert("Cache cleared successfully!");
+      // Refresh data after clearing cache
+      await Promise.all([
+        fetchObjectives(),
+        fetchUserResults(),
+        fetchLeaderboard(),
+      ]);
+    } else {
+      const error = await response.json();
+      alert(`Error clearing cache: ${error.detail || "Unknown error"}`);
+    }
+  } catch (error) {
+    console.error("Error clearing cache:", error);
+    alert("Error clearing cache. Please try again.");
+  }
+};
+
 const loadUserData = async () => {
   // Get user info first
   try {
@@ -156,6 +181,7 @@ const loadUserData = async () => {
       const user = await response.json();
       if (user.is_authenticated) {
         userInfo.value.username = user.username;
+        userInfo.value.isStaff = user.is_staff || false;
       }
     }
   } catch (error) {
@@ -237,6 +263,11 @@ onMounted(() => {
                 <i class="mdi mdi-trophy mr-1"></i>
                 View Full Leaderboard
               </button>
+
+              <button v-if="userInfo.isStaff" @click="clearCache" class="btn btn-error btn-sm w-full mt-3">
+                <i class="mdi mdi-cache-clear mr-1"></i>
+                Clear Cache
+              </button>
             </div>
           </div>
         </div>