Fix Publish button always greyed out when not connected

The _update_buttons method wasn't handling the no-token case properly.
When not connected, the Connect button should always be enabled.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/cmdforge/gui/pages/tools_page.py

@@ -358,7 +358,11 @@ class ToolsPage(QWidget):
 
         config = load_config()
         if config.registry.token:
+            # Connected - enable Publish when tool selected
             self.btn_publish.setEnabled(has_selection)
+        else:
+            # Not connected - Connect button is always enabled
+            self.btn_publish.setEnabled(True)
 
     def _create_tool(self):
         """Create a new tool."""