- Introduced `LanguageSelector.qml` for selecting application languages with a user-friendly interface.
- Created `NerdPanel.qml` to display API logs, session information, and keyboard shortcuts in a dedicated panel.
- Implemented `PatchDialog.qml` for viewing and managing Git patches, including copy and save functionalities.
- Developed `SendPromptDialog.qml` for sending prompts to Codex, featuring environment selection and input validation.
- Added `TaskListItem.qml` to represent individual tasks with detailed information and PR indicators.
- Introduced `ThemeSelector.qml` for selecting application themes with visual indicators.
feat(styles): create global styles entry point and organize global styles
feat(styles): implement base HTML element styles and utility classes for flexbox
feat(styles): establish layout, position, spacing, and text utility classes
feat(styles): introduce mixins for animations, cards, dialogs, flexbox, grid, and responsive design
test(quick_guide): add component and metadata validation tests for quick_guide package
test(ui_level6): implement metadata validation tests for ui_level6 package
