Add docs guide: Going to Production with Monetization

docs/articles/monetization/index.mdx

@@ -110,5 +110,6 @@ pricing, wire up Stripe, and configure your gateway to enforce quotas.
 | [Subscription Lifecycle](./monetization/subscription-lifecycle.md)     | Managing trials, upgrades, downgrades, and cancellations                              |
 | [Private Plans](./monetization/private-plans.md)                       | Invite-only plans for specific users                                                  |
 | [Tax Collection](./monetization/tax-collection.md)                     | Enabling VAT, sales tax, or GST via Stripe Tax                                        |
+| [Going to Production](./monetization/going-to-production.mdx)          | Pre-launch checklist, Stripe live mode, and beta considerations                       |
 | [Plan Examples](./monetization/plan-examples.mdx)                      | Real-world plan configurations                                                        |
 | [Troubleshooting](./monetization/troubleshooting.md)                   | Common issues, debugging, and FAQ                                                     |

public/media/monetization-going-to-production/metering-flow.d2

@@ -0,0 +1,50 @@
+...@zuplo-theme.d2
+
+vars: {
+  d2-config: {
+    layout-engine: elk
+    pad: 20
+  }
+}
+
+direction: right
+
+client: "API request" {
+  class: node
+  style.font-size: 26
+}
+
+platform: "Zuplo platform (metering, plans, subscriptions)" {
+  class: group
+  style.font-size: 18
+
+  policy: "MonetizationInboundPolicy" {
+    class: zuplo
+    style.font-size: 26
+  }
+  aggregate: "Aggregate & price" {
+    class: node
+    style.font-size: 26
+  }
+  policy -> aggregate: "meter event" { style.font-size: 18 }
+}
+
+stripe: "Stripe (money only)" {
+  class: group
+  style.font-size: 18
+
+  invoice: "Invoice" {
+    class: node
+    style.font-size: 26
+  }
+  customer: "Customer charged" {
+    class: success
+    style.font-size: 26
+  }
+  invoice -> customer: "collect" { style.font-size: 18 }
+}
+
+(** -> **)[*].class: flow
+
+client -> platform.policy: "request" { style.font-size: 18 }
+platform.aggregate -> stripe.invoice: "end of billing period" { style.font-size: 18 }

sidebar.ts

@@ -566,6 +566,7 @@ export const documentation: Navigation = [
           "articles/monetization/subscription-lifecycle",
           "articles/monetization/private-plans",
           "articles/monetization/tax-collection",
+          "articles/monetization/going-to-production",
         ],
       },
       {