chore(infra): let the regional hostname be dropped without calling Cloudflare (#62284)

infra/stage.ts

@@ -27,11 +27,17 @@ if ($app.stage === "production") {
   })
 }
 
-new cloudflare.RegionalHostname("RegionalHostname", {
-  hostname: domain,
-  regionKey: "us",
-  zoneId: zoneID,
-})
+// Removed from Cloudflare by hand on 2026-11-06 (dev and production): the deploy token can't delete regional
+// hostnames. Retained on delete so dropping this resource next only forgets it instead of calling Cloudflare.
+new cloudflare.RegionalHostname(
+  "RegionalHostname",
+  {
+    hostname: domain,
+    regionKey: "us",
+    zoneId: zoneID,
+  },
+  { retainOnDelete: true },
+)
 
 export const shortDomain = (() => {
   if ($app.stage === "production") return "opncd.ai"