* chore: Handle optional token_endpoint in OAuth metadata discovery
* chore: Simplify permission typing logic in checkAccess function
* feat: Implement `deleteMistralFile` function and integrate file cleanup in `uploadMistralOCR`
* refactor: access control logic to TypeScript
* chore: Change EndpointURLs to a constant object for improved type safety
* 🐛 fix: Enhance agent access control by adding skipAgentCheck functionality
* 🐛 fix: Add endpointFileConfig prop to AttachFileMenu and update file handling logic
* 🐛 fix: Update tool handling logic to support optional groupedTools and improve null checks, add dedicated tool dialog for Assistants
* chore: Export Accordion component from UI index for improved modularity
* feat: Add ActivePanelContext for managing active panel state across components
* chore: Replace string IDs with EModelEndpoint constants for assistants and agents in useSideNavLinks
* fix: Integrate access checks for agent creation and deletion routes in actions.js