* refactor: scrollToEnd
* fix(validateConvoAccess): search conversation by ID for proper validation
* feat: Add unique index for conversationId and user in convoSchema
* refactor: Update font sizes 1 rem -> font-size-base in style.css
* fix: Assistants map type issues
* refactor: Remove obsolete scripts
* fix: Update DropdownNoState component to handle both string and OptionType values
* refactor: Remove config/loader.js file
* fix: remove crypto.randomBytes(); refactor: Create reusable function for generating token and hash
* 🛂 feat: Added Security for Conversation Access
* refactor: Update concurrentLimiter and convoAccess middleware to use isEnabled function for Redis check
* refactor: handle access check even if cache is not available (edge case)
