🔐 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/utils/agents.tsx

@@ -0,0 +1,108 @@
+import React from 'react';
+import { Bot } from 'lucide-react';
+import type t from 'librechat-data-provider';
+
+/**
+ * Extracts the avatar URL from an agent's avatar property
+ * Handles both string and object formats
+ */
+export const getAgentAvatarUrl = (agent: t.Agent | null | undefined): string | null => {
+  if (!agent?.avatar) {
+    return null;
+  }
+
+  if (typeof agent.avatar === 'string') {
+    return agent.avatar;
+  }
+
+  if (agent.avatar && typeof agent.avatar === 'object' && 'filepath' in agent.avatar) {
+    return agent.avatar.filepath;
+  }
+
+  return null;
+};
+
+/**
+ * Renders an agent avatar with fallback to Bot icon
+ * Consistent across all agent displays
+ */
+export const renderAgentAvatar = (
+  agent: t.Agent | null | undefined,
+  options: {
+    size?: 'sm' | 'md' | 'lg' | 'xl';
+    className?: string;
+    showBorder?: boolean;
+  } = {},
+): React.ReactElement => {
+  const { size = 'md', className = '', showBorder = true } = options;
+
+  const avatarUrl = getAgentAvatarUrl(agent);
+
+  // Size mappings for responsive design
+  const sizeClasses = {
+    sm: 'h-12 w-12 sm:h-14 sm:w-14',
+    md: 'h-16 w-16 sm:h-20 sm:w-20 md:h-24 md:w-24',
+    lg: 'h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28',
+    xl: 'h-24 w-24',
+  };
+
+  const iconSizeClasses = {
+    sm: 'h-6 w-6 sm:h-7 sm:w-7',
+    md: 'h-6 w-6 sm:h-8 sm:w-8 md:h-10 md:w-10',
+    lg: 'h-8 w-8 sm:h-10 sm:w-10 md:h-12 md:w-12',
+    xl: 'h-10 w-10',
+  };
+
+  const placeholderSizeClasses = {
+    sm: 'h-10 w-10 sm:h-12 sm:w-12',
+    md: 'h-12 w-12 sm:h-16 sm:w-16 md:h-20 md:w-20',
+    lg: 'h-16 w-16 sm:h-20 sm:w-20 md:h-24 md:w-24',
+    xl: 'h-20 w-20',
+  };
+
+  const borderClasses = showBorder ? 'border-2 border-white dark:border-gray-800' : '';
+
+  if (avatarUrl) {
+    return (
+      <div className={`flex items-center justify-center ${sizeClasses[size]} ${className}`}>
+        <img
+          src={avatarUrl}
+          alt={`${agent?.name || 'Agent'} avatar`}
+          className={`${sizeClasses[size]} rounded-full object-cover shadow-lg ${borderClasses}`}
+          loading="lazy"
+        />
+      </div>
+    );
+  }
+
+  // Fallback placeholder with Bot icon
+  return (
+    <div className={`relative flex items-center justify-center ${sizeClasses[size]} ${className}`}>
+      {/* Subtle minimalistic placeholder */}
+      <div className="absolute inset-0 rounded-full border border-gray-300 bg-gray-200 dark:border-gray-600 dark:bg-gray-700"></div>
+      <div
+        className={`relative flex items-center justify-center rounded-full bg-gray-300 dark:bg-gray-600 ${placeholderSizeClasses[size]}`}
+      >
+        <Bot
+          className={`text-gray-500 dark:text-gray-400 ${iconSizeClasses[size]}`}
+          strokeWidth={1.5}
+        />
+      </div>
+    </div>
+  );
+};
+
+/**
+ * Gets the display name for a contact (prioritizes name over email)
+ */
+export const getContactDisplayName = (agent: t.Agent | null | undefined): string | null => {
+  if (!agent) return null;
+
+  const supportName = (agent as any).support_contact?.name;
+  const supportEmail = (agent as any).support_contact?.email;
+  const authorName = (agent as any).authorName;
+
+  return supportName || authorName || supportEmail || null;
+};
+
+// All hardcoded category constants removed - now using database-driven categories