No mystery subscription.
The quote belongs to the confirmed ReArch case, not a generic SaaS plan.
The buyer does not authorize a run until ReArch has a bounded case read and a backend-owned quote.
The final quote is computed after the case is confirmed. You authorize a bounded architecture workflow, not another improvisation cycle.
The quote belongs to the confirmed ReArch case, not a generic SaaS plan.
A paid run starts only from server-owned payment and quote truth.