fix(auth): req.auth 無法顯示完整資訊問題

問題描述：
auth.js callback 中 token, session 的相關處理
應該可以影響到在 req.auth 應該顯示的資訊
但僅能顯示 user 的 name, email, image 三個欄位

解決方式：
將 callback 放在 auth.config.js 中，即可正常顯示完整資訊
nextauthjs/next-auth#9836 (comment)

auth.config.js

@@ -17,6 +17,24 @@ const authConfig = {
       });
     },
   },
+  callbacks: {
+    async jwt({ token, user }) {
+      if (user) {
+        const { password, ...rest } = user._doc;
+        token.user = { ...token.user, ...rest };
+      }
+      return token;
+    },
+    async session({ session, token }) {
+      session.user = token.user;
+      return session;
+    },
+  },
+  pages: {
+    signIn: "/auth/sign-in",
+    error: "/auth/error",
+    newUser: "/team/invitations",
+  },
 };
 
 export default authConfig;

auth.js

@@ -6,23 +6,5 @@ import authConfig from "@/auth.config";
 export const { handlers, signIn, signOut, auth } = NextAuth({
   adapter: MongooseAdapter(connectToMongoDB),
   session: { strategy: "jwt" },
-  callbacks: {
-    async jwt({ token, user }) {
-      if (user) {
-        const { password, ...rest } = user._doc;
-        token.user = { ...token.user, ...rest };
-      }
-      return token;
-    },
-    async session({ session, token }) {
-      session.user = token.user;
-      return session;
-    },
-  },
-  pages: {
-    signIn: "/auth/sign-in",
-    error: "/auth/error",
-    newUser: "/team/invitations",
-  },
   ...authConfig,
 });