validate-oauth-integration

Validate a Rome-managed OAuth integration end-to-end — prove a user can click Connect and Rome ends up holding a delegated token it can use to call the provider's API. Use when asked to "validate / test the <service> OAuth connector", "check that a user can connect <service>", or "verify the OAuth round-trip". This is the validation half of the GitHub/Slack model (brokered by Pantheon, NOT Composio). For *building*…