fix: incoming call auto-dismiss, deleted message text, PiP drag cleanup

src/app/components/CallEmbedProvider.tsx

@@ -128,6 +128,13 @@ function IncomingCall({ dm, info, onIgnore, onAnswer, onReject }: IncomingCallPr
     }
   }, [playSound, info.notificationType]);
 
+  useEffect(() => {
+    const remaining = info.senderTs + info.lifetime - Date.now();
+    if (remaining <= 0) { onIgnore(); return; }
+    const id = setTimeout(onIgnore, remaining);
+    return () => clearTimeout(id);
+  }, [info.senderTs, info.lifetime, onIgnore]);
+
   return (
     <>
       <Overlay open backdrop={<OverlayBackdrop />}>