05 · Reliability & Quality

The non-negotiable production dimensions: performance, security, testing, observability.

Priority: Critical

← Knowledge Map

Domains

• Performance Engineering — The canonical home for performance; domain-specific notes cross-link here.
• Security — Client-side threats, mitigations, and safe defaults — including auth.
• Testing & Quality — Strategy and trade-offs across the testing spectrum.
• Observability & Reliability — Understanding and operating the app in production.

This is an index. Each domain expands into topics, and each topic into standalone articles following the article template.