Route app registry through multizone rewrites

website/next.config.ts

@@ -1,4 +1,5 @@
 import type { NextConfig } from "next";
+import { appZoneRewrites } from "./src/data/appZoneRoutes";
 
 const nextConfig: NextConfig = {
   async redirects() {
@@ -30,6 +31,31 @@ const nextConfig: NextConfig = {
         destination: "/us/obbba-household-explorer/:path*",
         permanent: true,
       },
+      {
+        source: "/us/aca-reforms-calculator",
+        destination: "/us/aca-calc",
+        permanent: true,
+      },
+      {
+        source: "/us/aca-reforms-calculator/:path*",
+        destination: "/us/aca-calc/:path*",
+        permanent: true,
+      },
+      {
+        source: "/pe84",
+        destination: "/us/pe84",
+        permanent: true,
+      },
+      {
+        source: "/uk/ads-dashboard",
+        destination: "/us/ads-dashboard",
+        permanent: true,
+      },
+      {
+        source: "/us/obbba-scatter",
+        destination: "/us/obbba-household-explorer",
+        permanent: true,
+      },
     ];
   },
 
@@ -39,42 +65,7 @@ const nextConfig: NextConfig = {
       // External Next.js apps that serve full pages must go here
       // so they take priority over the dynamic [slug] route.
       beforeFiles: [
-        // State legislative tracker (Modal) — served directly so deep links work
-        { source: "/:countryId/state-legislative-tracker", destination: "https://policyengine--state-legislative-tracker.modal.run/" },
-        { source: "/:countryId/state-legislative-tracker/:path*", destination: "https://policyengine--state-legislative-tracker.modal.run/:path*" },
-        // Working Americans Tax Cut Act (Vercel)
-        { source: "/us/watca", destination: "https://working-americans-tax-cut-act-one.vercel.app/us/watca" },
-        { source: "/us/watca/:path*", destination: "https://working-americans-tax-cut-act-one.vercel.app/us/watca/:path*" },
-        // Keep Your Pay Act (Vercel)
-        { source: "/us/keep-your-pay-act", destination: "https://keep-your-pay-act.vercel.app/us/keep-your-pay-act" },
-        { source: "/us/keep-your-pay-act/:path*", destination: "https://keep-your-pay-act.vercel.app/us/keep-your-pay-act/:path*" },
-        // Oregon Kicker Refund calculator (Vercel)
-        { source: "/us/oregon-kicker-refund", destination: "https://oregon-kicker-refund.vercel.app/us/oregon-kicker-refund" },
-        { source: "/us/oregon-kicker-refund/:path*", destination: "https://oregon-kicker-refund.vercel.app/us/oregon-kicker-refund/:path*" },
-        // SPM threshold calculator (Vercel) — PolicyEngine/spm-calculator
-        { source: "/us/spm-calculator", destination: "https://spm-calculator.vercel.app/us/spm-calculator" },
-        { source: "/us/spm-calculator/:path*", destination: "https://spm-calculator.vercel.app/us/spm-calculator/:path*" },
-        // Marriage calculator (Vercel) — US variant at the zone's basePath;
-        // UK variant reuses the same origin with ?country=uk. Rewrites are
-        // server-side, so the query only reaches the zone's Node runtime;
-        // the zone's server component reads searchParams.country and seeds
-        // the client with an initialCountry prop (PolicyEngine/marriage#113).
-        { source: "/us/marriage", destination: "https://marriage-zeta-beryl.vercel.app/us/marriage" },
-        { source: "/us/marriage/:path*", destination: "https://marriage-zeta-beryl.vercel.app/us/marriage/:path*" },
-        { source: "/uk/marriage", destination: "https://marriage-zeta-beryl.vercel.app/us/marriage?country=uk" },
-        { source: "/uk/marriage/:path*", destination: "https://marriage-zeta-beryl.vercel.app/us/marriage/:path*?country=uk" },
-        // Working Parents Tax Relief Act calculator (Vercel)
-        { source: "/us/working-parents-tax-relief-act", destination: "https://wptra.vercel.app/us/working-parents-tax-relief-act" },
-        { source: "/us/working-parents-tax-relief-act/:path*", destination: "https://wptra.vercel.app/us/working-parents-tax-relief-act/:path*" },
-        // Utah 2026 tax changes calculator (Vercel)
-        { source: "/us/utah-2026-tax-changes", destination: "https://policyengine-utah-2026-tax-changes.vercel.app/us/utah-2026-tax-changes" },
-        { source: "/us/utah-2026-tax-changes/:path*", destination: "https://policyengine-utah-2026-tax-changes.vercel.app/us/utah-2026-tax-changes/:path*" },
-        // West Virginia SB 392 income tax cut calculator (Vercel)
-        { source: "/us/wv-sb392-tax-cut", destination: "https://wv-sb392-tax-cut.vercel.app/us/wv-sb392-tax-cut" },
-        { source: "/us/wv-sb392-tax-cut/:path*", destination: "https://wv-sb392-tax-cut.vercel.app/us/wv-sb392-tax-cut/:path*" },
-        // OBBBA household impact explorer (Vercel)
-        { source: "/us/obbba-household-explorer", destination: "https://obbba-household-by-household.vercel.app/us/obbba-household-explorer" },
-        { source: "/us/obbba-household-explorer/:path*", destination: "https://obbba-household-by-household.vercel.app/us/obbba-household-explorer/:path*" },
+        ...appZoneRewrites,
         // Household API docs (Vercel) — beforeFiles so it intercepts before Next.js trailing slash redirect
         { source: "/us/api", destination: "https://household-api-docs-policy-engine.vercel.app/us/api/" },
         { source: "/us/api/:path*", destination: "https://household-api-docs-policy-engine.vercel.app/us/api/:path*" },