fix: resolve NextAuth UntrustedHost error and add login debugging

- Add trustHost: true to NextAuth configuration
- Add console logging for login debugging
- Fix authentication issues preventing login redirect

src/lib/auth.ts

@@ -6,6 +6,7 @@ import { eq } from 'drizzle-orm';
 import bcrypt from 'bcryptjs';
 
 export const { handlers, signIn, signOut, auth } = NextAuth({
+  trustHost: true,
   providers: [
     CredentialsProvider({
       name: '邮箱密码',