🔧 fix: Chat Middleware, Zod Conversion, Auto-Save and S3 URL Refresh (#6720)

* 🔧 feat: Add configurable S3 URL refresh expiry time

* fix: Set default width and height for URLIcon component in case container style results in NaN

* refactor: Enhance auto-save functionality with debounced restore methods

* feat: Add support for additionalProperties in JSON schema conversion to Zod

* test: Add tests for additionalProperties handling in JSON schema to Zod conversion

* chore: Reorder import statements for better readability in ask route

* fix: Handle additional successful response status code (200) in SSE error handler

* fix: add missing rate limiting middleware for bedrock and agent chat routes

* fix: update moderation middleware to check feature flag before processing requests

* fix: add moderation middleware to chat routes for text moderation

* Revert "refactor: Enhance auto-save functionality with debounced restore methods"

This reverts commit d2e4134d1f.

* refactor: Move base64 encoding/decoding functions to top-level scope and optimize input handling

api/server/routes/agents/chat.js

@@ -3,6 +3,7 @@ const { PermissionTypes, Permissions } = require('librechat-data-provider');
 const {
   setHeaders,
   handleAbort,
+  moderateText,
   // validateModel,
   generateCheckAccess,
   validateConvoAccess,
@@ -14,6 +15,7 @@ const addTitle = require('~/server/services/Endpoints/agents/title');
 
 const router = express.Router();
 
+router.use(moderateText);
 router.post('/abort', handleAbort());
 
 const checkAgentAccess = generateCheckAccess(PermissionTypes.AGENTS, [Permissions.USE]);