- Introduced new API endpoint for downloading metric files as CSV.
- Implemented export logic to handle large datasets (up to 1 million rows) and generate presigned URLs for secure downloads.
- Added cleanup task to remove exported files from R2 storage after 60 seconds.
- Updated environment configuration to include Cloudflare R2 credentials.
- Enhanced error handling for various export scenarios.
- Refactored related database queries and schemas for better integration.
- Updated documentation for new features and usage instructions.