* 🗨️ fix: Safe Validation for Prompt Updates
- Added `safeValidatePromptGroupUpdate` function to validate and sanitize prompt group update requests, ensuring only allowed fields are processed and sensitive fields are stripped.
- Updated the `patchPromptGroup` route to utilize the new validation function, returning appropriate error messages for invalid requests.
- Introduced comprehensive tests for the validation logic, covering various scenarios including allowed and disallowed fields, enhancing overall request integrity and security.
- Created a new schema file for prompt group updates, defining validation rules and types for better maintainability.
* 🔒 feat: Add JSON parse error handling middleware
* chore: Add experimental backend server for multi-pod simulation
* Introduced a new backend script (`experimental.js`) to manage a clustered server environment with Redis cache flushing on startup.
* Updated `package.json` to include a new script command for the experimental backend.
* This setup aims to enhance scalability and performance for production environments.
* refactor: Remove server disconnection handling logic from useMCPServerManager
