signup create --authorize-cli for one account and CLI setup flow.
signup_url in a browser and returns the safe URL immediately.
Continue with Google or
create an account with the same email address and a password. If the address
already has an OpenPMM identity, select Sign in on the signup page. Then
approve the CLI.
After approval, resume the pending authorization:
POST /signup-intents. It does not read or send an OpenPMM
API key. The link expires after 30 minutes. Use --no-open when the agent or
terminal cannot launch a browser; the CLI prints the URL to stderr.
Use --file to provide the complete JSON request instead.
