Refine next steps

Author: simonkurtz-MSFT

.devcontainer/post-start-setup.sh

@@ -66,7 +66,12 @@ echo -e "\n"
 echo " Next Steps:"
 echo ""
 echo "   1. Open a new terminal and log in via the Azure CLI: az login"
-echo "   2. Briefly wait until Codespace is fully started."
+echo ""
+echo "   2. Wait until Codespace is fully started (it's fairly quick):"
+echo "        - Watch progress indicators in status bar"
+echo "        - Wait for all extensions to install"
+echo "        --> ✅ (.venv) prefix will appear when you open a new terminal"
+echo ""
 echo "   3. Start using the infrastructures and samples!"
 echo ""
 echo "============================================================================"