pages/api/training/start.js

import { TrainingMonitor } from '../../lib/training-monitor';

export default function handler(req, res) {
  if (req.method !== 'POST') {
    return res.status(405).json({ error: 'Method not allowed' });
  }

  try {
    const monitor = new TrainingMonitor();
    
    // Simulate training for demo
    for (let epoch = 0; epoch < 10; epoch++) {
      monitor.logEpoch(epoch, Math.random() * 0.5, 0.001 * Math.pow(0.9, epoch));
    }

    res.status(200).json({ history: monitor.history });
  } catch (error) {
    console.error('Training error:', error);
    res.status(500).json({ error: 'Training failed' });
  }
}