- Basic rendering tests (title, icon, links)
- Unconfigured project state display
- Configured project state with CostIndicator
- Save state display (saving, saved timestamp)
- Unsaved changes indicator (red dot)
- New Project button modal trigger
- Open file button and file input
- Save button with disabled state
- Settings button modal trigger
- Open Project Folder button visibility and API call
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>