GitLab

- Standardized table loading logic with enhanced useTableLoader.
- Unified form submission patterns via new useForm composable.
- Extracted common UI components: SearchInput and StatusBadge.
- Centralized common interface definitions in types/index.ts.
- Achieved TypeScript zero-error status across refactored files.
- Greatly improved code reusability and maintainability.

- Split UsersView.vue into UserCreateModal, UserEditModal, UserApiKeysModal, etc.
- Split UsageView.vue into UsageStatsCards, UsageFilters, UsageTable, etc.
- Split DashboardView.vue into UserDashboardStats, UserDashboardCharts, etc.
- Split AccountsView.vue into AccountTableActions, AccountTableFilters, etc.
- Standardized TypeScript types across new components to resolve implicit 'any' and 'never[]' errors.
- Improved overall frontend maintainability and code clarity.

- 添加 Accept-Language 请求头支持后端翻译
- 优化账户状态指示器和测试模态框
- 简化用户属性表单和配置模态框
- 新增多个国际化翻译条目
- 重构管理视图代码，提升可维护性

Add Vue components and API client for managing user custom attributes.

- Add userAttributes API client with CRUD operations
- Add UserAttributeForm component for displaying/editing attribute values
- Add UserAttributesConfigModal for attribute definition management
- Support all attribute types: text, textarea, number, email, url,
  date, select, multi_select

🤖 Generated with [Claude Code](https://claude.com/claude-code

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>