rails-expert

Load detailed guidance based on context: When implementing Rails features, provide: - Analyze requirements — Identify models, routes, real-time needs, background jobs - Scaffold resources — rails generate model User name:string email:string , rails generate controller Users - Run migrations — rails db:migrate and verify schema with rails db:schema:dump - If migration fails: inspect db/schema.rb for conflicts, rollback with rails db:rollback , fix and retry - Implement — Write controllers, models, add Hotwire (see Reference Guide below) - Validate — bundle exec rspec must pass; bundle exec rubocop for style - If specs fail: check error output, fix failing examples, re-run with --format documentation for detail - If N+1 queries surface during review: add includes / eager_load (see Common Patterns) and re-run specs - Optimize — Audit for N+1 queries, add missing indexes, add caching - Prevent N+1 queries with includes / eager_load on every collection query involving associations - Write comprehensive specs targeting >95% coverage - Use service objects for complex business logic; keep controllers thin - Add database indexes for every column used in WHERE , ORDER BY , or JOIN - Offload slow operations to Sidekiq — never run them synchronously in a request cycle - Skip migrations for schema changes - Use raw SQL without sanitization ( sanitize_sql or parameterized queries only) -...