- Added a new copy module to handle translations for models-related components.
- Integrated translation functionality into ProviderPickerDialog, ProvidersSection, RequestContentDialog, UsageBarChart, and UsageHistorySection.
- Updated messages for various UI elements to support multiple languages.
- Refactored usage history functions to accept locale for date formatting.
- Enhanced user experience by providing localized strings for success/error messages and UI labels.
- Introduced RequestContentDialog for displaying request content details.
- Added UsageBarChart for visualizing token usage data.
- Implemented UsageHistorySection to manage and display usage history with filtering and pagination.
- Created provider-types for managing provider-related types.
- Developed ModelsPage to encapsulate models configuration, providers, and usage history.
- Defined usage-history types and utility functions for managing usage data.
- Updated routing to include models page and redirect agents to models.
- Refactored chat store to integrate models instead of agents.
- Established models store for managing model-related state and data fetching.
