📌 feat: Pin Agents and Models in the Sidebar (#10634)

* 🪦 refactor: Remove Legacy Code (#10533)

* 🗑️ chore: Remove unused Legacy Provider clients and related helpers

* Deleted OpenAIClient and GoogleClient files along with their associated tests.
* Removed references to these clients in the clients index file.
* Cleaned up typedefs by removing the OpenAISpecClient export.
* Updated chat controllers to use the OpenAI SDK directly instead of the removed client classes.

* chore/remove-openapi-specs

* 🗑️ chore: Remove unused mergeSort and misc utility functions

* Deleted mergeSort.js and misc.js files as they are no longer needed.
* Removed references to cleanUpPrimaryKeyValue in messages.js and adjusted related logic.
* Updated mongoMeili.ts to eliminate local implementations of removed functions.

* chore: remove legacy endpoints

* chore: remove all plugins endpoint related code

* chore: remove unused prompt handling code and clean up imports

* Deleted handleInputs.js and instructions.js files as they are no longer needed.
* Removed references to these files in the prompts index.js.
* Updated docker-compose.yml to simplify reverse proxy configuration.

* chore: remove unused LightningIcon import from Icons.tsx

* chore: clean up translation.json by removing deprecated and unused keys

* chore: update Jest configuration and remove unused mock file

    * Simplified the setupFiles array in jest.config.js by removing the fetchEventSource mock.
    * Deleted the fetchEventSource.js mock file as it is no longer needed.

* fix: simplify endpoint type check in Landing and ConversationStarters components

    * Updated the endpoint type check to use strict equality for better clarity and performance.
    * Ensured consistency in the handling of the azureOpenAI endpoint across both components.

* chore: remove unused dependencies from package.json and package-lock.json

* chore: remove legacy EditController, associated routes and imports

* chore: update banResponse logic to refine request handling for banned users

* chore: remove unused validateEndpoint middleware and its references

* chore: remove unused 'res' parameter from initializeClient in multiple endpoint files

* chore: remove unused 'isSmallScreen' prop from BookmarkNav and NewChat components; clean up imports in ArchivedChatsTable and useSetIndexOptions hooks; enhance localization in PromptVersions

* chore: remove unused import of Constants and TMessage from MobileNav; retain only necessary QueryKeys import

* chore: remove unused TResPlugin type and related references; clean up imports in types and schemas

* 🪦 refactor: Remove Legacy Code (#10533)

* 🗑️ chore: Remove unused Legacy Provider clients and related helpers

* Deleted OpenAIClient and GoogleClient files along with their associated tests.
* Removed references to these clients in the clients index file.
* Cleaned up typedefs by removing the OpenAISpecClient export.
* Updated chat controllers to use the OpenAI SDK directly instead of the removed client classes.

* chore/remove-openapi-specs

* 🗑️ chore: Remove unused mergeSort and misc utility functions

* Deleted mergeSort.js and misc.js files as they are no longer needed.
* Removed references to cleanUpPrimaryKeyValue in messages.js and adjusted related logic.
* Updated mongoMeili.ts to eliminate local implementations of removed functions.

* chore: remove legacy endpoints

* chore: remove all plugins endpoint related code

* chore: remove unused prompt handling code and clean up imports

* Deleted handleInputs.js and instructions.js files as they are no longer needed.
* Removed references to these files in the prompts index.js.
* Updated docker-compose.yml to simplify reverse proxy configuration.

* chore: remove unused LightningIcon import from Icons.tsx

* chore: clean up translation.json by removing deprecated and unused keys

* chore: update Jest configuration and remove unused mock file

    * Simplified the setupFiles array in jest.config.js by removing the fetchEventSource mock.
    * Deleted the fetchEventSource.js mock file as it is no longer needed.

* fix: simplify endpoint type check in Landing and ConversationStarters components

    * Updated the endpoint type check to use strict equality for better clarity and performance.
    * Ensured consistency in the handling of the azureOpenAI endpoint across both components.

* chore: remove unused dependencies from package.json and package-lock.json

* chore: remove legacy EditController, associated routes and imports

* chore: update banResponse logic to refine request handling for banned users

* chore: remove unused validateEndpoint middleware and its references

* chore: remove unused 'res' parameter from initializeClient in multiple endpoint files

* chore: remove unused 'isSmallScreen' prop from BookmarkNav and NewChat components; clean up imports in ArchivedChatsTable and useSetIndexOptions hooks; enhance localization in PromptVersions

* chore: remove unused import of Constants and TMessage from MobileNav; retain only necessary QueryKeys import

* chore: remove unused TResPlugin type and related references; clean up imports in types and schemas

* 📦 chore: Bump Express.js to v5 (#10671)

* chore: update express to version 5.1.0 in package.json

* chore: update express-rate-limit to version 8.2.1 in package.json and package-lock.json

* fix: Enhance server startup error handling in experimental and index files

* Added error handling for server startup in both experimental.js and index.js to log errors and exit the process if the server fails to start.
* Updated comments in openidStrategy.js to clarify the purpose of the CustomOpenIDStrategy class and its relation to Express version changes.

* chore: Implement rate limiting for all POST routes excluding /speech, required for express v5

* Added middleware to apply IP and user rate limiters to all POST requests, ensuring that the /speech route remains unaffected.
* Enhanced code clarity with comments explaining the new rate limiting logic.

* chore: Enable writable req.query for mongoSanitize compatibility in Express 5

* chore: Ensure req.body exists in multiple middleware and route files for Express 5 compatibility

* 🗣 feat: MCP Status Accessibility Improvements (#10738)

* feat: make MultiSelect highlight same opacity as other focus highlights in app

* feat: add better screenreader announcements for mcp server and variable states

* feat: memoize fullTitle calculation

* 🪨 feat: Add PROXY support for AWS Bedrock endpoints (#8871)

* feat: added PROXY support for AWS Bedrock endpoint

* chore: explicit install of new packages required for bedrock proxy

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

* ✨ feat: Implement Favorites functionality with controllers, hooks, and UI components

* ✨ feat: Refactor Favorites functionality to support new data structure and enhance UI interactions

* ✨ feat: Add endpoint to new conversation for agent favorites

* ✨ feat: Enhance Conversations and Favorites components with expanded functionality and improved UI interactions

* ✨ feat: Remove 'Pinned' label from UI translations for cleaner interface

* feat: clean up comments and improve code readability in favorites and agent components; bump @librechat/data-schemas to 0.0.24

* ✨ feat: Enhance favorites management with validation, update data structure, and improve UI interactions

* ✨ feat: Simplify rendering logic in EndpointModelItem and optimize useEffect dependencies in Conversations component

* ✨ test: Update favorites mock implementation and improve button focus styles in AgentDetail tests

* ✨ feat: Enhance favorites management by adding loading and error states, and refactor related hooks and components

* ✨ feat: Add loading skeletons for favorites while agents are being fetched

* ✨ feat: Improve loading experience in FavoritesList by adding skeleton placeholders for favorites and marketplace

* feat: Optimize cache handling in Conversations and enhance FavoritesList to notify height changes on loading completion

* ✨ feat: Add loading skeleton for SearchBar in Nav component and update agent avatar fallback icon to Feather

* feat: Refactor FavoritesController validation, streamline ModelSelector component, and enhance EndpointModelItem with selection state

* feat: Adjust padding in Conversations and FavoritesList components for improved layout consistency

* feat: Refactor FavoritesController to use model methods for user updates and retrieval

* feat: Enhance Favorites functionality with validation, cleanup, and improved error handling

* tests: Update AgentCard and agent utilities to use Feather icon fallback instead of Bot icon

* refactor: Remove collapsible animation styles from CSS

* feat: Migrate favorites state management from Recoil to Jotai

* fix: Correct type definition in useGetFavoritesQuery and ensure useFavorites is exported

* refactor: Simplify AuthField component by removing TooltipAnchor and directly rendering Label

* fix: Ensure favorites are always an array and update references in FavoritesList

* style: Update Conversation component styles for improved UI consistency

* feat: re-integrate AuthContext to manage agent marketplace visibility based on authentication state

* fix: Improve optimistic updates in favorites mutation handling

* feat: Implement error handling for favorites limit and consolidate marketplace access logic

* fix: package-lock

---------

Co-authored-by: Danny Avila <danny@librechat.ai>
Co-authored-by: Dustin Healy <54083382+dustinhealy@users.noreply.github.com>
Co-authored-by: Arthur Barrett <abarrett@fas.harvard.edu>

client/src/utils/__tests__/agents.spec.tsx

@@ -4,11 +4,16 @@ import '@testing-library/jest-dom';
 import { getAgentAvatarUrl, renderAgentAvatar, getContactDisplayName } from '../agents';
 import type t from 'librechat-data-provider';
 
-// Mock the Bot icon from lucide-react
+// Mock the Feather icon from lucide-react
 jest.mock('lucide-react', () => ({
-  Bot: ({ className, strokeWidth, ...props }: any) => (
-    <svg data-testid="bot-icon" className={className} data-stroke-width={strokeWidth} {...props}>
-      <title>{/* eslint-disable-line i18next/no-literal-string */}Bot Icon</title>
+  Feather: ({ className, strokeWidth, ...props }: any) => (
+    <svg
+      data-testid="feather-icon"
+      className={className}
+      data-stroke-width={strokeWidth}
+      {...props}
+    >
+      <title>{/* eslint-disable-line i18next/no-literal-string */}Feather Icon</title>
     </svg>
   ),
 }));
@@ -72,7 +77,7 @@ describe('Agent Utilities', () => {
       expect(img).toHaveClass('rounded-full', 'object-cover', 'shadow-lg');
     });
 
-    it('should render Bot icon fallback when no avatar', () => {
+    it('should render Feather icon fallback when no avatar', () => {
       const agent = {
         id: '1',
         name: 'Test Agent',
@@ -80,9 +85,9 @@ describe('Agent Utilities', () => {
 
       render(<div>{renderAgentAvatar(agent)}</div>);
 
-      const botIcon = screen.getByTestId('bot-icon');
-      expect(botIcon).toBeInTheDocument();
-      expect(botIcon).toHaveAttribute('data-stroke-width', '1.5');
+      const featherIcon = screen.getByTestId('feather-icon');
+      expect(featherIcon).toBeInTheDocument();
+      expect(featherIcon).toHaveAttribute('data-stroke-width', '1.5');
     });
 
     it('should apply different size classes', () => {