juandelossantos

Instrument code so production behavior is visible: structured logging, metrics, tracing, alerting.

Fix performance issues: bundle size, animations, reflows, lazy loading, image optimization, render blocking.

Optimize application performance beyond the frontend: Core Web Vitals, load times, server response, database queries, caching, profiling.

Decompose work into small, verifiable tasks with explicit acceptance criteria.

Fix design detail issues: spacing, alignment, consistency, token compliance.

Audit existing projects before new work.

Improve existing codebases systematically: scan the UI, diagnose issues across 8 categories, fix in priority order.

Harden code against vulnerabilities: OWASP prevention, input validation, authentication, data storage, and third-party safety.

Prepare production launches with checklists, monitoring, staged rollout, and rollback strategies.

Generate new agent skills from a workflow description: SKILL.md with frontmatter, workflow, examples, and eval cases.

Analyze failing eval cases and propose improvements.

Ground every implementation decision in official documentation before writing code.