React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance…
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Walk a Lensflare trace span-by-span and explain timing, errors, and parent/child structure. Use when the user pastes a trace id, asks "why is this slow", or wants a request-level post-mortem of a real production / dev request captured in Lensflare.
Find recent errors in a Lensflare dataset and summarise their root cause. Use when the user asks "what's broken", "what errors are happening", or pastes a vague stack trace and wants the actual failure context from the running system.
Translate a natural-language question about logs or telemetry into a Lensflare query and return the results. Use when the user asks "find logs that…", "show me…", or describes a filter in prose that should map to a structured query.