  app-shell v0.1.0 — Workspace layout shell with collapsible sidebar
  file-browser v0.1.0 — Tree view for navigating file hierarchies
  package-docs-sidebar v0.1.0 — Navigable sidebar for Python package documentation
  status-bar v0.1.0 — Bottom status bar with left/center/right sections
  theme-provider v0.1.0 — Light/dark theme manager with semantic color tokens
