* fix: Revoke OAuth and Vars. Config Regressions in MCP Panel
- Introduced a new Trash2 icon button in MCPCardActions for revoking OAuth access on connected OAuth servers.
- Updated MCPServerCard to handle the revoke action, allowing users to revoke OAuth for specific servers.
- Enhanced user experience by ensuring the revoke option is available regardless of the server's connection state.
* refactor: Reorganize Revoke Button Logic in MCPCardActions and Update Toast Messages
- Moved the Revoke button for OAuth servers to a new position in MCPCardActions for improved visibility.
- Updated the success message logic in useMCPServerManager to differentiate between uninstall and variable update actions, enhancing user feedback.
* i18n: Add new translation for MCP server access revocation message
* refactor: Centralize Deselection Logic in updateUserPluginsMutation
- Updated the success handler in useUpdateUserPluginsMutation to manage deselection of MCP server values when revoking access, improving code clarity and reducing redundancy.
- Simplified message assignment logic for user feedback during plugin updates.
- Added `editButtonRef` prop to `MCPCardActions` for improved focus management.
- Updated `MCPServerCard` to pass a reference to the edit button, enhancing accessibility.
- Modified `MCPServerDialog` to accept a more flexible `triggerRef` type, allowing for better integration with various button elements.
* feat: enhance MCP server selection UI with new components and improved accessibility
* fix(i18n): add missing com_ui_mcp_servers translation key
The MCP server menu aria-label was referencing a non-existent translation
key. Added the missing key for accessibility.
* feat(MCP): enhance MCP components with improved accessibility and focus management
* fix(i18n): remove outdated MCP server translation keys
* fix(MCPServerList): improve color contrast by updating text color for no MCP servers message
* refactor(MCP): Server status components and improve user action handling
Updated MCPServerStatusIcon to use a unified icon system for better clarity
Introduced new MCPCardActions component for standardized action buttons on server cards
Created MCPServerCard component to encapsulate server display logic and actions
Enhanced MCPServerList to render MCPServerCard components, improving code organization
Added MCPStatusBadge for consistent status representation in dialogs
Updated utility functions for status color and text retrieval to align with new design
Improved localization keys for better clarity and consistency in user messages
* style(MCP): update button and card background styles for improved UI consistency
* feat(MCP): implement global server initialization state management using Jotai
* refactor(MCP): modularize MCPServerDialog into structured component architecture
- Split monolithic dialog into dedicated section components (Auth, BasicInfo, Connection, Transport, Trust)
- Extract form logic into useMCPServerForm custom hook
- Add utility modules for JSON import and URL handling
- Introduce reusable SecretInput component in @librechat/client
- Remove deprecated MCPAuth component
* style(MCP): update button styles for improved layout and adjust empty state background color
* refactor(Radio): enhance component mounting logic and background style updates
* refactor(translation): remove unused keys and streamline localization strings
