fix: restore security and API key status logs

Author: zitongcharliedeng

.claude/voice-server/server.ts

@@ -363,3 +363,5 @@ const server = serve({
 console.log(`🚀 PAIVoice Server running on port ${PORT}`);
 console.log(`🎙️  TTS Provider: ${provider?.name || 'elevenlabs'}`);
 console.log(`📡 POST to http://localhost:${PORT}/notify`);
+console.log(`🔒 Security: CORS restricted to localhost, rate limiting enabled`);
+console.log(`🔑 API Key: ${ELEVENLABS_API_KEY ? '✅ Configured' : '❌ Missing'}`);