fix: prompt voice agent to introduce itself after connection

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/configurator/VoiceAgentProvider.tsx

@@ -337,6 +337,13 @@ export default function VoiceAgentProvider({ locale, children }: VoiceAgentProvi
           clearTimeout(setupTimeout);
           setStatus('active');
           trackAmplitude();
+          // Prompt the agent to introduce itself
+          ws.send(JSON.stringify({
+            clientContent: {
+              turns: [{ role: 'user', parts: [{ text: 'Hello, please introduce yourself.' }] }],
+              turnComplete: true,
+            },
+          }));
           return;
         }