Billing Domain

The Billing domain owns all monetization logic, including:

• subscriptions
• one-off payments
• donation flows
• entitlements
• billing state transitions

Owned Concepts

• Customers
• Products
• Prices
• Subscriptions
• Payments
• Entitlements

External Dependencies

• Stripe API
• Stripe Webhooks

Consumers

• Main Site (checkout, account pages)
• Chat Backend (paid perks, badges)
• Overlays (supporter indicators)