refactor(api): switch nowScores endpoint from GET query to POST JSON body

- send uids as JSON payload in frontend event loader
- update /api/user/nowScores route to accept POST and parse req.json()
- keep score lookup behavior unchanged

src/frontend.tsx

@@ -48,7 +48,11 @@ const route = createBrowserRouter([
                 score: e.score,
                 realname: e.name,
               } as XCXMember));
-          const uidScore = await fetch(`/api/user/nowScores?uids=${info.players.map(e => e.uid).join(',')}`);
+          const uids = info.players.map(e => e.uid);
+          const uidScore = await fetch(`/api/user/nowScores`, {
+            method: "POST",
+            body: JSON.stringify({ uids }),
+          });
           return { info, members, uidScore: new Map(Object.entries(await uidScore.json())) };
         },
         Component: EventPage,

src/index.tsx

@@ -43,9 +43,8 @@ const server = serve({
       }
     },
     "/api/user/nowScores": {
-      async GET(req) {
-        const searchParams = new URL(req.url).searchParams;
-        const uids = searchParams.get('uids')?.split(',') ?? [];
+      async POST(req) {
+        const { uids } = await req.json();
         const uidScore = await getUidScore(uids);
         return Response.json(uidScore);
       }