- Implement repository JSON caching and metadata management in payload_mgr.c
- Add native SHA256 implementation and integrity verification for payload installs
- Introduce POST /repository_push and /repository_install_push endpoints for browser-delegated downloads
- Synchronize autoload.txt entries automatically during payload updates and deletions
- Add frontend auto-refresh on tab switch to sync with backend configuration changes
- Update mock-server.js and fix deploy.sh timeout for more reliable development
najdek