## Changes
### Add scrollbars to provider dialogs
- **AddProviderDialog.tsx**: Add max-h-[90vh], flex flex-col layout, and scrollable content wrapper
- **EditProviderDialog.tsx**: Add max-h-[90vh], flex flex-col layout, and scrollable content wrapper
- Both dialogs now follow the same scrolling pattern as other dialogs in the app
- Wrap ProviderForm in `<div className="flex-1 overflow-y-auto -mx-6 px-6">` for proper scrolling
### Simplify theme toggle
- **mode-toggle.tsx**: Change from dropdown menu to direct toggle button
- Remove DropdownMenu and related imports
- Click now directly toggles between light and dark mode
- Simpler UX: one click to switch themes instead of opening a menu
- Remove "system" theme option from quick toggle (still available in settings if needed)
## Benefits
- **Consistent scrolling**: All dialogs now have proper scroll behavior when content exceeds viewport height
- **Better UX**: Theme toggle is faster and more intuitive with direct click
- **Code simplification**: Removed unnecessary dropdown menu complexity from theme toggle
All TypeScript type checks and Prettier formatting checks pass.
This commit completes Stage 2.5-2.6 of the refactoring plan by:
- Consolidating 8 provider form files (1941+ lines) into a single
unified ProviderForm component (353 lines), reducing code by ~82%
- Implementing modern form management with react-hook-form and zod
- Adding preset provider categorization with grouped select UI
- Supporting dual-mode operation for both Claude and Codex configs
- Removing redundant subcomponents:
- ApiKeyInput.tsx (72 lines)
- ClaudeConfigEditor.tsx (205 lines)
- CodexConfigEditor.tsx (667 lines)
- EndpointSpeedTest.tsx (636 lines)
- KimiModelSelector.tsx (195 lines)
- PresetSelector.tsx (119 lines)
Key improvements:
- Type-safe form values with ProviderFormValues extension
- Automatic template value application for presets
- Better internationalization coverage
- Cleaner separation of concerns
- Enhanced UX with categorized preset groups
Updates AddProviderDialog and EditProviderDialog to pass appType prop
and handle preset category metadata.
