Please restore multiple accounts being able to be used

[normancates]

I know that this request has been made by others, but they are not in this list of issues any more. So I'm putting it back.

Release 0.7.0 says that multiple accounts were removed. With no reason why.

Multiple accounts can be handy but ESPECIALLY in the age of AI agents. I need to be able to assign my agent account (created in Google) to be able to take actions. And by using the agent account credentials, it becomes auditable.

And access can be switched off at a moments notice.

I would say that being able to have multiple agents is a security concern, because it enables proper separation of permissions.

Please bring it back

[burtherman]

We also need this — managing multiple Google Workspace accounts (personal + org) from the same CLI session is a common workflow. The old --account flag and GOOGLE_WORKSPACE_CLI_ACCOUNT env var worked well for raw API calls. Having to re-auth to switch accounts adds friction, especially when scripting across accounts.