Update production deployment references

frontend/app/api/analytics/events/route.ts

@@ -55,10 +55,7 @@ export async function POST(req: NextRequest) {
       ...(body ?? {}),
       payload: {
         ...payload,
-        cf_country:
-          req.headers.get("cf-ipcountry") ||
-          req.headers.get("x-vercel-ip-country") ||
-          "",
+        cf_country: req.headers.get("cf-ipcountry") || "",
         user_agent: req.headers.get("user-agent") || "",
         referer_header: req.headers.get("referer") || "",
       },

frontend/app/api/auth/me/route.ts

@@ -165,10 +165,7 @@ async function trackAuthDiagnosticEvent(
           response_mode: responseMode,
           user_id: normalizedUserId || undefined,
           email_domain: email?.includes("@") ? email.split("@").pop() : undefined,
-          cf_country:
-            req.headers.get("cf-ipcountry") ||
-            req.headers.get("x-vercel-ip-country") ||
-            "",
+          cf_country: req.headers.get("cf-ipcountry") || "",
           user_agent: req.headers.get("user-agent") || "",
           referer_header: req.headers.get("referer") || "",
           captured_at: new Date().toISOString(),

frontend/app/api/ops/subscriptions/grant/route.ts

@@ -41,7 +41,7 @@ async function findSupabaseUserIdByEmail(email: string) {
     .replace(/\/$/, "");
   const serviceRoleKey = String(process.env.SUPABASE_SERVICE_ROLE_KEY || "").trim();
   if (!supabaseUrl || !serviceRoleKey) {
-    throw new Error("Supabase service role is not configured on Vercel");
+    throw new Error("Supabase service role is not configured on the server");
   }
   const profileRes = await fetch(
     `${supabaseUrl}/rest/v1/profiles?select=id&email=eq.${encodeURIComponent(email)}&limit=1`,

frontend/public/sw.js

@@ -34,8 +34,8 @@ self.addEventListener("fetch", (event) => {
 
   // Do not cache-first Next.js build chunks. A user can keep an old app shell
   // open across deployments; if checkout UI is loaded later, stale/missing
-  // chunks surface as a generic page fault. Let the browser/Vercel handle
-  // immutable _next/static asset caching instead.
+  // chunks surface as a generic page fault. Let the browser handle immutable
+  // _next/static asset caching instead.
   if (CACHEABLE_PUBLIC_ASSETS.includes(url.pathname)) {
     event.respondWith(
       caches.open(CACHE_NAME).then((cache) =>