Add debug logs for Session click issue

frontend/src/hooks/useChat.ts

@@ -43,7 +43,8 @@ export function useChat(options: UseChatOptions = {}) {
     console.log('useChat - currentSession updated:', { 
       sessionId: currentSessionId, 
       found: !!session, 
-      messageCount: session?.messages?.length || 0 
+      messageCount: session?.messages?.length || 0,
+      sessionTitle: session?.title || 'No session'
     })
     return session
   }, [sessions, currentSessionId])
@@ -89,8 +90,10 @@ export function useChat(options: UseChatOptions = {}) {
 
   // Switch to session
   const selectSession = useCallback((sessionId: string) => {
+    console.log('selectSession called with:', sessionId)
     setCurrentSessionId(sessionId)
     chatStorage.setCurrentSession(sessionId)
+    console.log('currentSessionId updated to:', sessionId)
   }, [])
 
   // Delete session

frontend/src/pages/Playground.tsx

@@ -351,7 +351,10 @@ export function Playground() {
                 className={`p-3 cursor-pointer transition-colors hover:bg-accent ${
                   currentSessionId === session.id ? 'bg-accent border-primary' : ''
                 }`}
-                onClick={() => selectSession(session.id)}
+                onClick={() => {
+                  console.log('Session card clicked:', session.id, session.title)
+                  selectSession(session.id)
+                }}
               >
                 <div className="flex items-center justify-between">
                   <span className="text-sm font-medium truncate">{session.title}</span>