- Add page title (h1) to all main pages for consistent hierarchy
- Wrap page content in container/content div structure
- Handle 404 error for unsupported OAuth excluded models API
- Add cache price input field in usage page model pricing
- Add upgrade required i18n messages for older CPA versions
- Import mixins in page-level SCSS modules
- Add 409 conflict handling for duplicate iFlow config files
- Add key creation hint in cookie login section
- Move extra actions button after delete button for consistency
- Improve OAuth status badge display logic (hide when idle)
- Add config toggle enable/disable i18n translations
- Adjust item-actions spacing from sm to md