Audit all outdated dependencies with detailed research on changelogs, breaking changes, bug fixes, and deprecations. Creates a temporary plan without updating anything. Use when you want to review what changed in your dependencies before upgrading.

Audit React components for unnecessary useEffect hooks. Use when reviewing code that has useEffect, useState patterns, or when asked to optimize React components. Identifies anti-patterns like derived state, chained effects, event-driven effects and suggests better alternatives (computed values, useMemo, key prop, event handlers, useSuspenseQuery).

Interview the user relentlessly about a plan, design, strategy, or decision until reaching shared understanding. Walks down each branch of the decision tree, resolving dependencies one-by-one. Use when user wants to stress-test a plan, get grilled on a design, deep-dive into a phase, or clarify a complex decision — works for both technical and non-technical topics.