Fix list_all_resend_emails: pagination cap, error handling, and empty-result caching#191

gregv merged 2 commits intofeature/resend-list-emails-apiopportunity-hack/backend-ohack.dev:feature/resend-list-emails-apifrom

copilot/sub-pr-187-againopportunity-hack/backend-ohack.dev:copilot/sub-pr-187-againCopy head branch name to clipboard