perf: parallelize independent requests in daka detail page

Use Promise.all for user group queries, comment loading,
and resource note group fetching.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/pages/daka/detail.vue

@@ -248,8 +248,10 @@ export default defineComponent({
         session.write("DAKA", await prepare())
         startTimer(() => store.current, check_tasks)
       }
-      await usingUserGroup.query("mine");
-      await usingUserGroup.query("assigned");
+      await Promise.all([
+        usingUserGroup.query("mine"),
+        usingUserGroup.query("assigned")
+      ]);
       ready.value = true
     })
 

src/store/daka.ts

@@ -133,15 +133,13 @@ export default function useDaka() {
 
 
     async function get_qs_resource_note_groups() {
-        for (let i = 0; i < store.current.course_sections.length; i++) {
-            let qs = store.current.course_sections[i]
+        await Promise.all(store.current.course_sections.map(async (qs) => {
             if (!qs.resource_note_group) {
                 await get_resource_note_group(qs)
             } else {
-                // we need to set comments to global state by check_comments_tasks function
                 await check_resource_notes_task(qs.resource_note_group)
             }
-        }
+        }))
     }
 
     async function check_tasks() {
@@ -179,8 +177,10 @@ export default function useDaka() {
         if (r) {
             convert(d);
             store.current = {...d, end_date: getEndDate(d)};
-            await load_comments(id);
-            await get_qs_resource_note_groups();
+            await Promise.all([
+                load_comments(id),
+                get_qs_resource_note_groups()
+            ]);
         } else {
             reset()
             showFailToast(e);