fix rusenie hier ked vsetkych odpoji

api/__init__.py

@@ -1,3 +1,4 @@
+import asyncio
 import hmac
 import json
 import os
@@ -273,19 +274,37 @@ async def send_error(sid: str, message: str):
     await sio.emit("error", {"error": message}, to=sid)
 
 
+# Ako dlho prezije nezacata hra, ked su vsetci hraci naraz offline. Na mobile
+# sa socket bezne strati uz pri zamknuti obrazovky, takze okamzite zmazanie
+# hry rusilo lobby, v ktorom hraci len cakali so zhasnutym telefonom.
+LOBBY_ABANDON_GRACE_SECONDS = 10 * 60
+
+
+async def _cleanup_abandoned_lobby(gid: str):
+    """Po grace periode zmaz nezacatu hru, ak sa medzitym nikto nevratil.
+    Podmienka sa overuje az po uplynuti casu, takze pri navrate hraca je
+    task neskodny no-op (netreba nic rusit)."""
+    await asyncio.sleep(LOBBY_ABANDON_GRACE_SECONDS)
+    game = games.get(gid)
+    if game is not None and not game.started and not any(p.connected for p in game.players):
+        del games[gid]
+        await broadcast_lobby()
+
+
 async def _mark_player_offline(game: "Game", player: "Player"):
-    """Mark player disconnected. An unstarted game with nobody left is cleaned
-    up; a started game is kept in memory so it stays in the lobby and can be
-    resumed (it's torn down only by end_game)."""
+    """Mark player disconnected. An unstarted game with nobody left gets a
+    delayed cleanup (mobile sockets drop on screen lock, so an immediate
+    delete would kill lobbies where everyone is just waiting); a started game
+    is kept in memory so it stays in the lobby and can be resumed (it's torn
+    down only by end_game)."""
     player.connected = False
     if not any(p.connected for p in game.players) and not game.started:
-        del games[game.gid]
-    else:
-        await sio.emit(
-            "player_connection",
-            {"order": player.order, "connected": False},
-            room=game.gid,
-        )
+        asyncio.create_task(_cleanup_abandoned_lobby(game.gid))
+    await sio.emit(
+        "player_connection",
+        {"order": player.order, "connected": False},
+        room=game.gid,
+    )
 
 
 def _active_game(sid: str) -> "tuple[Game, dict] | None":

frontend/src/lib/socket.ts

@@ -132,6 +132,9 @@ export function setupSocketListeners() {
 
   // Surface connection failures instead of silently buffering emits.
   socket.on('connect_error', (err: Error) => {
+    // `active` = klient sa automaticky pokusi znova (typicky prebudeny mobil,
+    // kym sa siet zobudi) -- prechodne, netreba strasit toastom.
+    if (socket.active) return;
     useGameStore.getState().setError(`Spojenie so serverom zlyhalo: ${err.message}`);
   });
 }

frontend/src/pages/Lobby.tsx

@@ -1,3 +1,4 @@
+import { useEffect, useRef, useState } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
 import { useGameStore } from '../store/gameStore';
 import { emit } from '../lib/socket';
@@ -8,6 +9,8 @@ export default function Lobby() {
   const navigate = useNavigate();
   const myPlayer = useGameStore((s) => s.myPlayer);
   const games = useGameStore((s) => s.games);
+  const [showCopied, setShowCopied] = useState(false);
+  const copiedTimeout = useRef<ReturnType<typeof setTimeout>>();
 
   const game = games.find((g) => g.gid === gid);
   const players = game?.players ?? [];
@@ -17,11 +20,25 @@ export default function Lobby() {
   const handleLeave = () => leaveGame(navigate);
 
   const handleCopyCode = () => {
-    if (gid) navigator.clipboard.writeText(`${window.location.origin}/lobby/${gid}`);
+    if (!gid) return;
+    navigator.clipboard.writeText(`${window.location.origin}/lobby/${gid}`);
+    setShowCopied(true);
+    clearTimeout(copiedTimeout.current);
+    copiedTimeout.current = setTimeout(() => setShowCopied(false), 1800);
   };
 
+  useEffect(() => () => clearTimeout(copiedTimeout.current), []);
+
   return (
     <div className="max-w-md mx-auto p-4 pt-8 min-h-screen">
+      <div
+        className={`fixed top-4 left-1/2 -translate-x-1/2 px-4 py-2 rounded-lg bg-header border border-gold/30 text-gold text-sm shadow-lg transition-opacity duration-300 z-50 ${
+          showCopied ? 'opacity-100' : 'opacity-0 pointer-events-none'
+        }`}
+      >
+        Odkaz na hru skopírovaný
+      </div>
+
       <div className="flex items-center justify-between mb-6">
         <h1 className="font-serif text-2xl text-gold">{game?.name ?? 'Hra'}</h1>
         <button onClick={handleLeave} className="text-sm text-green-dim hover:text-gold">
@@ -38,7 +55,7 @@ export default function Lobby() {
           onClick={handleCopyCode}
           className="ml-3 px-3 py-1 rounded-lg text-sm border border-gold/30 text-gold hover:bg-gold hover:text-table transition-colors"
         >
-          Kopírovať
+          Kopírovať URL
         </button>
       </div>