karangattu

Build modern Shiny dashboards and applications using bslib (Bootstrap 5). Use when creating new Shiny apps, modernizing legacy apps (fluidPage, fluidRow/column, tabsetPanel, wellPanel, shinythemes), or working with bslib page layouts, grid systems, cards, value boxes, navigation, sidebars, filling layouts, theming, accordions, tooltips, popovers, toasts, or bslib inputs. Assumes familiarity with basic Shiny.

Build polished Shiny for Python dashboards and analytical apps. Use when creating or refactoring Shiny for Python apps, dashboards, KPI layouts, sidebar or navbar navigation, cards, value boxes, responsive grids, reactive filtering, charts, data tables, or when choosing between Core and Express APIs.

Visually verify the rendered dashboard application by running it, checking logs, and reviewing screenshots to evaluate visual appeal, UX quality, and layout correctness.

Create focused Shiny Python or R mini-apps, 30-second component video concepts, browser recordings, Gemini TTS narration, and finished short-form video artifacts. Use when a user names a Shiny component, provides a Shiny docs URL or existing Shiny app path, requests a component demo, or asks for a short video about a Shiny UI behavior.

Create interactive Shiny Python or R mini-apps, 30-second "Did you know?" video concepts, Gemini 3.1 TTS narration and audio, storyboards, recording automation, and editing notes. Use when the user provides a Shiny component name, docs URL, or existing Shiny app path, or asks for a short demo or video around a Shiny UI feature.