重构了translator，写了点数据库、后端api路由

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

@@ -1,53 +1,15 @@
-import { pool } from "@/lib/db";
-import NextAuth, { SessionStrategy } from "next-auth";
-import CredentialsProvider from "next-auth/providers/credentials";
-import bcrypt from "bcryptjs";
+import NextAuth, { AuthOptions } from "next-auth";
+import GithubProvider from "next-auth/providers/github";
 
-export const authOptions = {
+export const authOptions: AuthOptions = {
   providers: [
-    CredentialsProvider({
-      name: "Credentials",
-      credentials: {
-        username: { label: "Username", type: "text", placeholder: "jsmith" },
-        password: { label: "Password", type: "password" },
-      },
-      async authorize(credentials) {
-        if (!credentials?.username || !credentials?.password) {
-          return null;
-        }
-
-        try {
-          const result = await pool.query(
-            "SELECT * FROM users WHERE username = $1",
-            [credentials.username],
-          );
-
-          const user = result.rows[0];
-
-          if (!user) {
-            return null;
-          }
-
-          const isValidPassword = await bcrypt.compare(
-            credentials.password,
-            user.password,
-          );
-          if (!isValidPassword) return null;
-
-          return {
-            id: user.id,
-            username: user.username,
-          };
-        } catch (error) {
-          console.error("Auth error:", error);
-          return null;
-        }
-      },
+    GithubProvider({
+      clientId: process.env.GITHUB_CLIENT_ID!,
+      clientSecret: process.env.GITHUB_CLIENT_SECRET!,
     }),
   ],
-  session: { strategy: "jwt" as SessionStrategy },
-  pages: { signIn: "/login" },
 };
 
 const handler = NextAuth(authOptions);
+
 export { handler as GET, handler as POST };