Auto-invoked when creating or modifying Shiny layouts using bslib. Governs page types (page_sidebar, page_navbar, page_fillable), cards, value boxes, layout functions, navsets, theming with bs_theme(), and accordion components.
Auto-invoked when validating or QC-ing SDTM/ADaM datasets against CDISC standards — required variables, naming conventions, types, labels, controlled terminology, ISO 8601 dates, missing-value handling, and cross-domain consistency. Use when asked to validate CDISC data, check standards compliance, audit a clinical dataset, or produce a data-validation report before building a Shiny app on clinical data.
Auto-invoked when creating or modifying DT (DataTables) tables in Shiny. Governs DTOutput/renderDT patterns, server-side processing, row selection, proxy updates, formatting, and extensions.
Auto-invoked when creating or modifying a golem-based Shiny application. Governs project scaffolding, module creation, asset management, testing, and deployment within the golem framework.
Auto-invoked when creating or modifying gt tables in Shiny. Governs gt_output/render_gt patterns, the pipeline API, column formatting, conditional styling, spanners, and summary rows for publication-quality tables.
Auto-invoked when creating or modifying a leprechaun-based Shiny application. Governs project scaffolding, a la carte feature addition, module creation, build system, and deployment within the leprechaun framework.
Auto-invoked when creating or modifying interactive plotly charts in Shiny. Governs plotlyOutput/renderPlotly, scattergl for large data, plotlyProxy partial updates (restyle/relayout/addTraces/deleteTraces), event_data with source, ggplotly conversion and cleanup, and crosstalk linked views.
Auto-invoked for any R code request. Governs the write-source-test-validate WORKFLOW and artifact/test structure. Defers Shiny domain patterns (modules, reactives, tables, layout) to the dedicated skills, which take precedence on those topics.