- Consolidated and modularized `eslint.config.mjs` with defined rules for source, test, E2E, and scripts.
- Improved test and E2E rules with relaxed settings for flexibility and enhanced mocking.
- Standardized variable naming and removed redundant imports in unit and E2E tests.
- Updated error handling and comments to align with modern TypeScript best practices (e.g., `@ts-expect-error`).
- Added unit tests for `BulkActionToolbar` to verify visibility logic, button states, confirmation dialogs, and hook integration.
- Implemented unit tests for `UserFormDialog` to ensure proper rendering, validation, and interaction.
- Introduced end-to-end tests for admin user management functionality, including user list, creation, editing, search, filtering, pagination, and bulk actions.
- Improved test coverage and reliability across admin user-related features.
