v0.11.26 FCM bugs fixes

frontend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "rosterchirp-frontend",
-  "version": "0.11.25",
+  "version": "0.11.26",
   "private": true,
   "scripts": {
     "dev": "vite",

frontend/src/contexts/SocketContext.jsx

@@ -47,12 +47,15 @@ export function SocketProvider({ children }) {
       window.dispatchEvent(new CustomEvent('rosterchirp:session-displaced'));
     });
 
-    // Bug B fix: when app returns to foreground, force socket reconnect if disconnected
+    // When app returns to foreground, force a full disconnect+reconnect.
+    // The underlying WebSocket is often silently dead after Android background
+    // suspension while socket.io-client still reports connected (stale state
+    // until the ping/pong timeout fires ~45s later). Always force a fresh
+    // connection so the "offline" indicator clears immediately on focus.
     const handleVisibilityChange = () => {
-      if (document.visibilityState === 'visible') {
-        if (socketRef.current && !socketRef.current.connected) {
-          socketRef.current.connect();
-        }
+      if (document.visibilityState === 'visible' && socketRef.current) {
+        socketRef.current.disconnect();
+        socketRef.current.connect();
       }
     };
     document.addEventListener('visibilitychange', handleVisibilityChange);