▣ 42 guided scenarios // ◆ Chaos mode // ◇ Auto-scaling // ▣ Consistent hashing // ◆ Leader election // ◇ Rate limiting // ▣ Sharding drills // ◆ CAP tradeoffs // ◇ Back-pressure // ▣ Retries & idempotency // ◆ Circuit breakers // ◇ CDNs & edge caches // ▣ 42 guided scenarios // ◆ Chaos mode // ◇ Auto-scaling // ▣ Consistent hashing // ◆ Leader election // ◇ Rate limiting // ▣ Sharding drills // ◆ CAP tradeoffs // ◇ Back-pressure // ▣ Retries & idempotency // ◆ Circuit breakers // ◇ CDNs & edge caches //