🔐 feat: Granular Role-based Permissions + Entra ID Group Discovery (#7804)

WIP: pre-granular-permissions commit

feat: Add category and support contact fields to Agent schema and UI components

Revert "feat: Add category and support contact fields to Agent schema and UI components"

This reverts commit c43a52b4c9.

Fix: Update import for renderHook in useAgentCategories.spec.tsx

fix: Update icon rendering in AgentCategoryDisplay tests to use empty spans

refactor: Improve category synchronization logic and clean up AgentConfig component

refactor: Remove unused UI flow translations from translation.json

feat: agent marketplace features

🔐 feat: Granular Role-based Permissions + Entra ID Group Discovery (#7804)

client/src/components/SidePanel/Agents/MarketplaceContext.tsx

@@ -0,0 +1,44 @@
+import React, { useMemo } from 'react';
+
+import { EModelEndpoint } from 'librechat-data-provider';
+
+import { ChatContext } from '~/Providers';
+
+/**
+ * Minimal marketplace provider that provides only what SidePanel actually needs
+ * Replaces the bloated 44-function ChatContext implementation
+ */
+interface MarketplaceProviderProps {
+  children: React.ReactNode;
+}
+
+export const MarketplaceProvider: React.FC<MarketplaceProviderProps> = ({ children }) => {
+  // Create more complete context to prevent FileRow and other component errors
+  // when agents with files are opened in the marketplace
+  const marketplaceContext = useMemo(
+    () => ({
+      conversation: {
+        endpoint: EModelEndpoint.agents,
+        conversationId: 'marketplace',
+        title: 'Agent Marketplace',
+      },
+      // File-related context properties to prevent FileRow errors
+      files: new Map(),
+      setFiles: () => {},
+      setFilesLoading: () => {},
+      // Other commonly used context properties to prevent undefined errors
+      isSubmitting: false,
+      setIsSubmitting: () => {},
+      latestMessage: null,
+      setLatestMessage: () => {},
+      // Minimal functions to prevent errors when components try to use them
+      ask: () => {},
+      regenerate: () => {},
+      stopGenerating: () => {},
+      submitMessage: () => {},
+    }),
+    [],
+  );
+
+  return <ChatContext.Provider value={marketplaceContext as any}>{children}</ChatContext.Provider>;
+};