## Description
<!-- Briefly describe the purpose and scope of your changes -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Centralized and standardized error response schemas for APIs.
- Utility functions for result formatting and enhanced validation error
handling.
- New utility modules for authentication and OAuth provider handling.
- Added Discord OAuth user data fetching with email verification.
- **Bug Fixes**
- Improved error safety in cloud task creation by preventing potential
runtime errors.
- **Refactor**
- Major simplification and reorganization of API routes and
authentication logic.
- Migration from valibot to zod for schema validation.
- Streamlined import paths and consolidated utility exports.
- Simplified TypeScript and .gitignore configuration for easier
maintenance.
- Disabled machine authentication provider and related logic.
- **Chores**
- Removal of unused or deprecated API endpoints, database migration, and
permissions deployment code.
- Updated package dependencies and scripts for improved reliability and
performance.
- Enhanced documentation and updated project metadata.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
