- Introduced `ColumnBrowserFixture` component for testing column visibility and interactions.
- Created `entity-column-configuration.ts` to define types and utility functions for managing entity columns.
- Implemented Playwright tests in `columns-ui.test.py` to validate column behavior and preferences.
- Added `visual-audit-volume.py` script to enhance the visual audit setup with synthetic data.
- Introduced PickerHelp component for contextual help in pickers.
- Created PickerBrowserFixture for testing picker components in a browser-like environment.
- Implemented a comprehensive regression test suite for picker UI using Playwright.
- Added support for localization in picker components and tests.
