Human-approved agent signup

Request a durable handle@agentmailer.ai identity without an API key. The example prints the approval URL and stops so a named human can review access.

1export AGENTMAILER_HUMAN_EMAIL="owner@example.com"
2export AGENTMAILER_USERNAME="research-agent"
3pnpm --filter @agentmailer/example-human-approved-signup start

Or run python/example.py after installing python/requirements.txt. Do not scrape, bypass, or automate the approval page.