chore(release): v2.4.21 - kill PTR on immersive Odin

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "app-ts",
-  "version": "2.4.20",
+  "version": "2.4.21",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "app-ts",
-      "version": "2.4.20",
+      "version": "2.4.21",
       "license": "ISC",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.102.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "app-ts",
-  "version": "2.4.20",
+  "version": "2.4.21",
   "description": "",
   "main": "dist/server.js",
   "scripts": {

src/admin/ui/AppShell.tsx

@@ -42,10 +42,19 @@ export default function AppShell() {
     set();
     window.addEventListener("resize", set);
     window.visualViewport?.addEventListener("resize", set);
+    // Kill pull-to-refresh: a PTR reload lands mid-viewport-settle and
+    // re-races the measurement (Chromium settles without a resize event).
+    // The immersive page is fixed-viewport — the gesture has no use here.
+    const prevRootOverscroll = root.style.overscrollBehaviorY;
+    const prevBodyOverscroll = document.body.style.overscrollBehaviorY;
+    root.style.overscrollBehaviorY = "none";
+    document.body.style.overscrollBehaviorY = "none";
     return () => {
       window.removeEventListener("resize", set);
       window.visualViewport?.removeEventListener("resize", set);
       root.style.removeProperty("--app-height");
+      root.style.overscrollBehaviorY = prevRootOverscroll;
+      document.body.style.overscrollBehaviorY = prevBodyOverscroll;
     };
   }, [immersiveOnMobile]);