This skill MUST be used whenever the task involves UI development, renderer code changes, adding or modifying components, creating modals or dialogs, working with CSS styles, building new UI features, or touching any file in src/renderer/. Use this skill when the user asks to "add a button", "create a modal", "add a dropdown", "update the sidebar", "style a component", "add a new UI feature", or any renderer/frontend work.
This skill MUST be used whenever the task involves adding, installing, or upgrading an npm package/library/dependency in this project. Use when the user asks to "add a library", "install <package>", "use <package>", "add a dependency", "bump/upgrade a package", or any change to package.json dependencies. Covers the latest-version policy, esbuild renderer bundling, manual CSS copy, native module rebuilds, and the three build targets.