What problem does it solve? React codebases accumulate lint violations, accessibility gaps, bundle bloat, and architecture problems that are hard to catch manually before committing. This Skill runs automated diagnostics and produces a 0-100 health score so regressions are caught before they ship. ## Core Features & Use Cases - Regression checks on changed code: Run a scoped scan after edits to verify the health score did not drop before committing. - Full-codebase triage: Execute a complete scan, then fix issues by severity using the canonical scan-filter-triage-fix-validate playbook fetched from react.doctor. - Focused design and runtime audits: Run design-only diagnostics for UI composition and accessibility, or record a DevTools trace in an isolated Chrome profile to diagnose slow interactions with per-component render evidence. - Rule configuration: Explain, disable, retune, or category-toggle rules via rules subcommands that edit doctor.config.* in place. - Use Case: After refactoring a dashboard page, run the changed-scope scan, see the score dropped due to a new no-array-index-as-key violation, explain the rule, fix it, and re-validate before committing. ## Quick Start Ask the assistant to run react-doctor on the changed files and report whether the health score regressed.
