Prepare application for production use, including health check

Adds production deployment configurations, a health check endpoint, and fixes voice command confidence level.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ff0be73b-afdd-4747-978b-bb8301fb0a82
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/43bdd979-982d-4330-b7ca-c1484048813c.jpg

server/routes.ts

@@ -49,6 +49,16 @@ passport.deserializeUser(async (id: number, done) => {
 });
 
 export async function registerRoutes(app: Express): Promise<Server> {
+  // Health check endpoint for production monitoring
+  app.get('/health', (req, res) => {
+    res.status(200).json({
+      status: 'healthy',
+      timestamp: new Date().toISOString(),
+      uptime: process.uptime(),
+      version: process.env.APP_VERSION || '1.0.0',
+      environment: process.env.NODE_ENV || 'development'
+    });
+  });
   // Configure session middleware
   app.use(session({
     secret: process.env.SESSION_SECRET || 'your-secret-key',