refactor: enhance mobile swipe gesture handling and improve outlet behavior on compact routes

overlay/src/app/components/AnimatedOutlet.tsx

@@ -1,15 +1,23 @@
 import React from 'react';
 import { Outlet, useLocation } from 'react-router-dom';
-import { useCompactNav } from '../hooks/useCompactNav';
+import { useCompactNav, useIsCompactListRoute } from '../hooks/useCompactNav';
 import { MobileSwipeGestureHost } from './mobile/MobileSwipeGestureHost';
 
 /**
- * Wrapper for Outlet that adds route-based animation
- * Forces remount on route change by using location as key
+ * Outlet wrapper for route remounts + compact swipe-back chrome.
+ *
+ * On compact list routes the parent PageRoot already omits children. If this
+ * outlet is still mounted (stale stack / empty SpaceIndexRedirect), render
+ * nothing so an empty swipe shell cannot sit above the channel list and eat taps.
  */
 export function AnimatedOutlet() {
   const location = useLocation();
   const compact = useCompactNav();
+  const isListRoute = useIsCompactListRoute();
+
+  if (compact && isListRoute) {
+    return null;
+  }
 
   return (
     <MobileSwipeGestureHost>

overlay/src/app/components/mobile/MobileSwipeGestureHost.tsx

@@ -1,4 +1,5 @@
 import React, { ReactNode, useCallback, useEffect, useRef } from 'react';
+import { useLocation } from 'react-router-dom';
 import { useCompactNav } from '../../hooks/useCompactNav';
 import { useBackRoute } from '../../hooks/useBackRoute';
 import { startReplyToEvent } from '../../features/room/replyToMessage';
@@ -93,6 +94,7 @@ const resetElementTransform = (el: HTMLElement | null) => {
 
 export function MobileSwipeGestureHost({ children }: MobileSwipeGestureHostProps) {
   const compact = useCompactNav();
+  const { pathname } = useLocation();
   const { canGoBack, goBack } = useBackRoute();
   const backEnabled = compact && canGoBack;
   const replyEnabled = compact;
@@ -350,7 +352,7 @@ export function MobileSwipeGestureHost({ children }: MobileSwipeGestureHostProps
 
   useEffect(() => {
     resetGesture();
-  }, [canGoBack, resetGesture]);
+  }, [canGoBack, pathname, resetGesture]);
 
   if (!compact) {
     return <>{children}</>;

overlay/src/app/components/mobile/mobile-gestures.css.ts

@@ -36,7 +36,10 @@ export const CompactNavUnderlay = style({
   display: 'flex',
   flexDirection: 'column',
   zIndex: 0,
-  pointerEvents: 'none',
+  // Keep underlay tappable if the detail layer is empty/transparent
+  // (e.g. space index after leaving DMs). Opaque detail content still
+  // sits above and receives taps first.
+  pointerEvents: 'auto',
 });
 
 export const CompactDetailLayer = style({
@@ -45,6 +48,20 @@ export const CompactDetailLayer = style({
   minWidth: 0,
   display: 'flex',
   flexDirection: 'column',
+  // Pass through taps when outlet content is null/empty; real pages
+  // re-enable pointer events on their root via the child selector.
+  pointerEvents: 'none',
+  selectors: {
+    '& > *': {
+      pointerEvents: 'auto',
+      flex: 1,
+      minHeight: 0,
+      minWidth: 0,
+      display: 'flex',
+      flexDirection: 'column',
+      backgroundColor: color.Background.Container,
+    },
+  },
 });
 
 export const SwipeToReplyLayer = style({

overlay/src/app/components/page/Page.tsx

@@ -18,6 +18,9 @@ export function PageRoot({ nav, children }: PageRootProps) {
   const showCompactMaster = useShowCompactMasterView();
   const compact = screenSize === ScreenSize.Mobile;
 
+  // Master list routes: only the channel/space list is interactive.
+  // Never mount the detail/underlay stack here — an empty detail layer would
+  // sit above the list with pointer-events and freeze taps (DM → space bug).
   if (compact && showCompactMaster) {
     return (
       <Box grow="Yes" className={ContainerColor({ variant: 'Background' })}>