[PROP-CORE-004] feat: Register payment-terminals module with TypeORM setup

- Added TypeORM DataSource configuration
- Added payment-terminals entities
- Added PaymentTerminalsModule with bootstrap function
- Registered routes: /api/payment-terminals, /api/mercadopago, /api/clip
- Registered webhooks: /webhooks/mercadopago, /webhooks/clip
- Updated API info with available endpoints

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/index.ts

@@ -19,12 +19,38 @@ import express from 'express';
 import cors from 'cors';
 import helmet from 'helmet';
 import dotenv from 'dotenv';
+import { DataSource } from 'typeorm';
+
+// Payment Terminals Module
+import { PaymentTerminalsModule } from './modules/payment-terminals';
+import { TenantTerminalConfig } from './modules/payment-terminals/entities/tenant-terminal-config.entity';
+import { TerminalPayment } from './modules/payment-terminals/entities/terminal-payment.entity';
+import { TerminalWebhookEvent } from './modules/payment-terminals/entities/terminal-webhook-event.entity';
 
 dotenv.config();
 
 const app = express();
 const PORT = process.env.PORT || 3000;
 
+// Database configuration
+const AppDataSource = new DataSource({
+  type: 'postgres',
+  host: process.env.DB_HOST || 'localhost',
+  port: parseInt(process.env.DB_PORT || '5432', 10),
+  username: process.env.DB_USER || 'erp_user',
+  password: process.env.DB_PASSWORD || 'erp_dev_2026',
+  database: process.env.DB_NAME || 'erp_vidrio_templado',
+  schema: process.env.DB_SCHEMA || 'public',
+  entities: [
+    // Payment Terminals
+    TenantTerminalConfig,
+    TerminalPayment,
+    TerminalWebhookEvent,
+  ],
+  synchronize: process.env.NODE_ENV === 'development',
+  logging: process.env.NODE_ENV === 'development',
+});
+
 // Middleware
 app.use(helmet());
 app.use(cors());
@@ -37,6 +63,7 @@ app.get('/health', (req, res) => {
     service: 'erp-vidrio-templado-backend',
     version: '0.1.0',
     timestamp: new Date().toISOString(),
+    database: AppDataSource.isInitialized ? 'connected' : 'disconnected',
   });
 });
 
@@ -55,16 +82,61 @@ app.get('/api', (req, res) => {
       'VT-006: Templado',
       'VT-007: Calidad',
       'VT-008: Despacho',
+      'Payment Terminals (MercadoPago, Clip)',
     ],
+    endpoints: {
+      health: '/health',
+      paymentTerminals: '/api/payment-terminals',
+      mercadopago: '/api/mercadopago',
+      clip: '/api/clip',
+    },
     status: 'scaffold - en desarrollo',
   });
 });
 
-// Start server
-if (require.main === module) {
-  app.listen(PORT, () => {
-    console.log(`ERP Vidrio Templado backend running on port ${PORT}`);
-  });
+// Bootstrap function
+async function bootstrap() {
+  try {
+    // Initialize database
+    await AppDataSource.initialize();
+    console.log('📦 Database connection established');
+
+    // Initialize Payment Terminals Module
+    const paymentTerminals = new PaymentTerminalsModule({ dataSource: AppDataSource });
+    app.use('/api', paymentTerminals.router);
+    app.use('/webhooks', paymentTerminals.webhookRouter);
+    console.log('💳 Payment Terminals module initialized');
+
+    // 404 handler
+    app.use((req, res) => {
+      res.status(404).json({ error: 'Not Found' });
+    });
+
+    // Error handler
+    app.use((err: Error, _req: express.Request, res: express.Response, _next: express.NextFunction) => {
+      console.error(err.stack);
+      res.status(500).json({
+        error: 'Internal Server Error',
+        message: process.env.NODE_ENV === 'development' ? err.message : undefined,
+      });
+    });
+
+    // Start server
+    app.listen(PORT, () => {
+      console.log(`🔷 ERP Vidrio Templado backend running on port ${PORT}`);
+      console.log(`📊 Environment: ${process.env.NODE_ENV || 'development'}`);
+      console.log(`🏥 Health check: http://localhost:${PORT}/health`);
+      console.log(`📚 API Root: http://localhost:${PORT}/api`);
+    });
+  } catch (error) {
+    console.error('Failed to start server:', error);
+    process.exit(1);
+  }
 }
 
-export default app;
+// Start application
+if (require.main === module) {
+  bootstrap();
+}
+
+export { app, AppDataSource };