feat: Initialize Electron application with core backend, frontend chat/login UI, and IPC for crypto and link previews.

Frontend/Electron/src/pages/Chat.jsx

@@ -27,7 +27,10 @@ const Chat = () => {
                 activeChannel={activeChannel}
                 onSelectChannel={setActiveChannel}
             />
-            <ChatArea channelId={activeChannel} />
+            <ChatArea
+                channelId={activeChannel}
+                channelName={channels.find(c => c.id === activeChannel)?.name || activeChannel}
+            />
         </div>
     );
 };