perf : not ask me i copy from another projeft

app/api/auth/[...nextauth]/route.ts

@@ -4,6 +4,8 @@ import { DrizzleAdapter } from "@auth/drizzle-adapter";
 import { db } from "@/db";
 import { accounts, sessions, users, verificationTokens } from "@/db/schema";
 
+const discordIdCache = new Map<string, string>();
+
 export const authOptions: NextAuthOptions = {
   adapter: DrizzleAdapter(db, {
     usersTable: users,
@@ -21,14 +23,21 @@ export const authOptions: NextAuthOptions = {
     async session({ session, user }) {
       if (session.user) {
         (session.user as any).id = user.id;
-        // Attach discordId from accounts table
-        const acct = await db.query.accounts.findFirst({
-          where: (a, { eq, and }) =>
-            and(eq(a.userId, user.id), eq(a.provider, "discord")),
-        });
-        if (acct) {
-          (session.user as typeof session.user & { discordId: string }).discordId =
-            acct.providerAccountId;
+
+        let discordId = discordIdCache.get(user.id);
+        if (!discordId) {
+          const acct = await db.query.accounts.findFirst({
+            where: (a, { eq, and }) =>
+              and(eq(a.userId, user.id), eq(a.provider, "discord")),
+            columns: { providerAccountId: true },
+          });
+          if (acct) {
+            discordId = acct.providerAccountId;
+            discordIdCache.set(user.id, discordId);
+          }
+        }
+        if (discordId) {
+          (session.user as typeof session.user & { discordId: string }).discordId = discordId;
         }
       }
       return session;