implement-checkout-flow

What problem does it solve?

Managing payment checkout changes is risky: mistakes can affect subscriptions, entitlements, and revenue. This Skill provides a governance-driven framework to plan, gate, test, and verify checkout changes before they are applied.

Core Features & Use Cases

• Gate changes with explicit approvals from the Payment Sub-council and produce a gated diff, plan, and staging checklist.
• Validate end-to-end flow for Stripe subscriptions and optional Coinbase crypto checkouts, including mocks for testing.
• Ensure idempotent writes, proper webhook handling, and staging verification prior to production deployment.

Quick Start

Present a change plan and await explicit confirmation before applying any modification to the checkout flow.