This is super helpful — thank you. Two questions: Did you keep “credits” purely internal, or do you reconcile them back to real invoices/costs per provider? A

This is super helpful — thank you. Two questions: Did you keep “credits” purely internal, or do you reconcile them back to real invoices/costs per provider? Any edge cases you hit around retries/idempotency (e.g., task retries after deduct, provider call succeeds but worker crashes, etc.)?