feat: add models management and usage history components

- 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.

src/components/layout/Sidebar.tsx

@@ -8,7 +8,7 @@ import blueLogo from '../../assets/images/login/blue_logo.png';
 const MENU_MARKS: Record<string, typeof House> = {
   '/home': House,
   '/knowledge': Book,
-  '/agents': Cpu,
+  '/models': Cpu,
   '/skills': Puzzle,
   '/cron': Clock,
   '/scripts': Code,