You've already built 80% of this. Here's the one missing piece — and the smallest way to add it without rebuilding anything you have.
Your system already runs option (B) in substance. Every piece below is live today.
There is no clean lane that turns a raw idea into a scoped, scaffolded, running project.
Today ideas land in chat or the dashboard inbox and you promote them by hand — deciding if they're worth it, writing the brief, making the project, kicking off the first worker. Your own board lists "idea → task → project promotion" as still pending. That single hand-off is the whole job below.
An idea flows top-to-bottom through these stages. Only one stop needs you — it's outlined in blue.
How should the agents be organized? Three honest options — one wins for your situation (one founder, ~25 projects, 3 subscription accounts).