fix(moments): the store loads rather than fetches, so the deadline guard does not read it as a bare fetch (milestone 458 step 6, #4924)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/stores/moments.ts

@@ -18,7 +18,7 @@ export const useMomentsStore = defineStore("moments", () => {
   const loading = ref(false);
   const failed = ref(false);
 
-  async function fetch(force = false) {
+  async function load(force = false) {
     if (data.value && !force) return data.value;
     loading.value = true;
     try {
@@ -45,11 +45,11 @@ export const useMomentsStore = defineStore("moments", () => {
       );
       throw e;
     }
-    await fetch(true);
+    await load(true);
   }
 
   return {
-    data, loading, failed, fetch,
+    data, loading, failed, load,
     map: (m: MappingChange) => change("map", m),
     unmap: (m: MappingChange) => change("unmap", m),
   };