Billing

[dunnbot]

Summary

Subscription billing: provider-agnostic library with local DB state, Stripe implementation, subscription management UI, billing settings, and a public pricing page.

Scope

• Billing library core — provider-agnostic interface. Models for plans, subscriptions, invoices, payment methods (state stored locally). Subscription lifecycle. Plan definitions with features and limits. Trial support.
• Stripe provider — implementation of the billing interface. Customer sync. Webhook handling for payment and subscription events (idempotent). Payment method management via Stripe Elements.
• Subscription management UI — subscribe, upgrade/downgrade with proration, cancel with grace period, resume. Current plan display with usage and limits.
• Billing settings — invoice history with PDF download. Update payment method. Update billing info. Separate billing email.
• Public pricing page — Livewire page with plan comparison cards, feature lists, annual/monthly toggle. CTAs link to sign-up with the selected plan pre-selected.

Acceptance criteria

• Teams (or users, per scoping decision) can subscribe to a plan and pay via Stripe
• Plan changes apply immediately with correct proration
• Cancellations enter a grace period and can be resumed before expiry
• Webhooks keep local subscription/invoice state in sync with Stripe
• Public pricing page renders all plans with working CTAs
• Invoices are listed and downloadable as PDFs
• The billing library can be swapped to another provider without changing app code