First-principles software engineering notes grounded in credible sources and production tradeoffs.https://deram.my.id/https://deram.my.id/blog/ai-agent-security-2026/https://deram.my.id/blog/ai-agent-security-2026/A first-principles playbook for shipping secure AI agents with prompt-injection defense, tool sandboxing, and risk governance.Sun, 08 Mar 2026 00:00:00 GMThttps://deram.my.id/blog/idempotency-distributed-apis/https://deram.my.id/blog/idempotency-distributed-apis/Retries are inevitable. Idempotency is how you prevent duplicate side effects and get reliable outcomes in at-least-once systems.Sun, 15 Mar 2026 00:00:00 GMT