Last login tracking

import { createKavach } from 'kavachos';
import { createLastLoginModule } from 'kavachos/auth/last-login';

const kavach = await createKavach({ /* ... */ });

const loginHistory = createLastLoginModule(
  { maxHistoryPerUser: 20 },
  kavach.db,
);

await loginHistory.recordLogin({
  userId: 'usr_123',
  method: 'magic-link',
  ip: request.headers.get('x-forwarded-for') ?? undefined,
  userAgent: request.headers.get('user-agent') ?? undefined,
});

const result = await loginHistory.getLastLogin('usr_123');

if (result.success && result.data) {
  console.log(result.data.method);    // 'magic-link'
  console.log(result.data.timestamp); // Date
  console.log(result.data.ip);        // string | null
}

const result = await loginHistory.getLoginHistory('usr_123', 5);

if (result.success) {
  for (const event of result.data) {
    console.log(event.method, event.timestamp);
  }
}

const result = await loginHistory.getLastLogin(userId);

if (!result.success) {
  console.error(result.error.code, result.error.message);
}