 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Enable development mode</h3>
<p>Start System Designer in development mode:</p>
<pre><code class="hljs css language-shell">npm run dev
</code></pre>
<p>Once server started, go to <a href="http://localhost:9001/">http://localhost:9001/</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="update-source-code"></a><a href="#update-source-code" aria-hidden="tr