pretty much ready to 'ship'.2

frontend/src/pages/History.jsx

@@ -31,7 +31,16 @@ function History() {
     }
   }, [sessions]);
 
-  // Poll for updates on active session
+  // Poll for session list updates (to detect when sessions end/start)
+  useEffect(() => {
+    const interval = setInterval(() => {
+      loadSessions();
+    }, 3000);
+    
+    return () => clearInterval(interval);
+  }, []);
+
+  // Poll for updates on active session games
   useEffect(() => {
     if (!selectedSession) return;
     

frontend/src/pages/Home.jsx

@@ -15,17 +15,15 @@ function Home() {
     loadActiveSession();
   }, []);
 
-  // Auto-refresh for active session
+  // Auto-refresh for active session status and games
   useEffect(() => {
-    if (!activeSession) return;
-    
-    // Refresh games every 3 seconds for active session
+    // Poll for session status changes every 3 seconds
     const interval = setInterval(() => {
-      loadSessionGames(activeSession.id, true); // silent refresh
+      loadActiveSession();
     }, 3000);
     
     return () => clearInterval(interval);
-  }, [activeSession]);
+  }, []);
 
   const loadActiveSession = async () => {
     try {

frontend/src/pages/Picker.jsx

@@ -17,6 +17,7 @@ function Picker() {
   const [picking, setPicking] = useState(false);
   const [error, setError] = useState('');
   const [showPopularity, setShowPopularity] = useState(true);
+  const [sessionEnded, setSessionEnded] = useState(false);
 
   // Filters
   const [playerCount, setPlayerCount] = useState('');
@@ -52,9 +53,20 @@ function Picker() {
     loadData();
   }, [isAuthenticated, authLoading, navigate]);
 
+  // Poll for active session status changes
+  useEffect(() => {
+    if (!isAuthenticated || authLoading) return;
+    
+    const interval = setInterval(() => {
+      checkActiveSession();
+    }, 3000);
+    
+    return () => clearInterval(interval);
+  }, [isAuthenticated, authLoading]);
+
   const loadData = async () => {
     try {
-      // Load active session or create one
+      // Load active session
       const sessionResponse = await api.get('/sessions/active');
       
       // Handle new format { session: null } or old format (direct session object)
@@ -62,12 +74,7 @@ function Picker() {
         ? sessionResponse.data.session 
         : sessionResponse.data;
       
-      // If no active session, create one
-      if (!session || !session.id) {
-        const newSession = await api.post('/sessions', {});
-        session = newSession.data;
-      }
-      
+      // Don't auto-create session - let user create it explicitly
       setActiveSession(session);
 
       // Load all games for manual selection
@@ -80,6 +87,37 @@ function Picker() {
     }
   };
 
+  const checkActiveSession = async () => {
+    try {
+      const sessionResponse = await api.get('/sessions/active');
+      const session = sessionResponse.data?.session !== undefined 
+        ? sessionResponse.data.session 
+        : sessionResponse.data;
+      
+      // If we had a session but now don't, mark it as ended
+      if (activeSession && (!session || !session.id)) {
+        setSessionEnded(true);
+        setActiveSession(null);
+      } else if (session && session.id) {
+        setActiveSession(session);
+        setSessionEnded(false);
+      }
+    } catch (err) {
+      console.error('Failed to check session status', err);
+    }
+  };
+
+  const handleCreateSession = async () => {
+    try {
+      const newSession = await api.post('/sessions', {});
+      setActiveSession(newSession.data);
+      setSessionEnded(false);
+      setError('');
+    } catch (err) {
+      setError('Failed to create session');
+    }
+  };
+
   const loadEligibleGames = async () => {
     try {
       const params = new URLSearchParams();
@@ -246,8 +284,38 @@ function Picker() {
   if (!activeSession) {
     return (
       <div className="max-w-4xl mx-auto">
-        <div className="bg-red-100 dark:bg-red-900 border border-red-400 dark:border-red-700 text-red-700 dark:text-red-200 p-4 rounded">
-          Failed to load or create session. Please try again.
+        <div className="bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6">
+          {sessionEnded ? (
+            <>
+              <h2 className="text-2xl font-bold text-orange-600 dark:text-orange-400 mb-4">
+                ⚠️ Session Ended
+              </h2>
+              <p className="text-gray-700 dark:text-gray-300 mb-4">
+                The active session has been ended. To continue picking games, you'll need to create a new session.
+              </p>
+              <button
+                onClick={handleCreateSession}
+                className="bg-indigo-600 dark:bg-indigo-700 text-white px-6 py-3 rounded-lg hover:bg-indigo-700 dark:hover:bg-indigo-800 transition font-semibold"
+              >
+                Create New Session
+              </button>
+            </>
+          ) : (
+            <>
+              <h2 className="text-2xl font-bold text-gray-700 dark:text-gray-200 mb-4">
+                No Active Session
+              </h2>
+              <p className="text-gray-600 dark:text-gray-400 mb-4">
+                There is no active game session. Create a new session to start picking games.
+              </p>
+              <button
+                onClick={handleCreateSession}
+                className="bg-indigo-600 dark:bg-indigo-700 text-white px-6 py-3 rounded-lg hover:bg-indigo-700 dark:hover:bg-indigo-800 transition font-semibold"
+              >
+                Create New Session
+              </button>
+            </>
+          )}
         </div>
       </div>
     );