checkpoints

class ReindexCheckpoint < ApplicationRecord
  enum status: { idle: 0, running: 1, done: 2, failed: 3 }

  validates :index_name, presence: true, uniqueness: true

  def self.for(index_name)

import torch

best_val_loss = float('inf')

for epoch in range(1, num_epochs + 1):
    model.train()