The runtime where
context is never lost

import { x404r } from '@shalwin04/x404r-sdk';

// Initialize the crash-proof runtime
const runtime = await new x404r({
  connectionString: process.env.DATABASE_URL,  // CockroachDB
  ai: { provider: 'gemini', apiKey: process.env.GEMINI_API_KEY }
}).ready();

// Define a workflow with checkpoints
const workflow = runtime.workflow('analyze-code', {
  steps: [{
    name: 'process',
    handler: async (ctx) => {
      // Resume from checkpoint if we crashed
      let step = ctx.state.step || 0;

      for (let i = step; i < items.length; i++) {
        const result = await ctx.ai.generate(`Analyze: ${items[i]}`);

        // THE MAGIC LINE - state saved to CockroachDB
        await ctx.checkpoint({ step: i + 1, results: [...] });
        // Worker dies here? No problem. Next worker resumes.
      }
      return { done: true };
    }
  }]
});

// Run with crash recovery
const result = await workflow.run({ items }, { wait: true });