feat: Add granular role-based permissions system with Entra ID integration

- Implement RBAC with viewer/editor/owner roles using bitwise permissions
      - Add AccessRole, AclEntry, and Group models for permission management
      - Create PermissionService for core permission logic and validation
      - Integrate Microsoft Graph API for Entra ID user/group search
      - Add middleware for resource access validation with custom ID resolvers
      - Implement bulk permission updates with transaction support
      - Create permission management UI with people picker and role selection
      - Add public sharing capabilities for resources
      - Include database migration for existing agent ownership
      - Support hybrid local/Entra ID identity management
      - Add comprehensive test coverage for all new services

chore: Update @librechat/data-schemas to version 0.0.9 and export common module in index.ts

fix: Update userGroup tests to mock logger correctly and change principalId expectation from null to undefined

api/server/routes/index.js

@@ -27,10 +27,12 @@ const edit = require('./edit');
 const keys = require('./keys');
 const user = require('./user');
 const ask = require('./ask');
+const accessPermissions = require('./accessPermissions');
 const mcp = require('./mcp');
 
 module.exports = {
   ask,
+  mcp,
   edit,
   auth,
   keys,
@@ -59,5 +61,5 @@ module.exports = {
   assistants,
   categories,
   staticRoute,
-  mcp,
+  accessPermissions,
 };