feat: Connect Pulse alerts to Edge failsafe

backend/src/routes/environment.routes.ts

@@ -521,14 +521,14 @@ export async function environmentRoutes(fastify: FastifyInstance) {
                     fastify.log.warn(`Edge device ${data.edgeId} status: ${data.status}`);
                 }
 
-                // Check for unaddressed critical temperature alerts (> 15 mins)
+                // Check for unaddressed critical temperature alerts (> 30 seconds for DEMO)
-                const fifteenMinsAgo = new Date(Date.now() - 15 * 60 * 1000);
+                const thirtySecondsAgo = new Date(Date.now() - 30 * 1000);
                 const criticalAlert = await prisma.environmentAlert.findFirst({
                     where: {
                         type: 'TEMPERATURE_HIGH',
                         resolvedAt: null,
                         acknowledgedAt: null,
-                        createdAt: { lt: fifteenMinsAgo }
+                        createdAt: { lt: thirtySecondsAgo }
                     }
                 });
 

backend/src/routes/pulse.routes.ts

@@ -5,8 +5,11 @@
  */
 
 import { FastifyInstance } from 'fastify';
+import { PrismaClient } from '@prisma/client';
 import { getPulseService, initPulseService } from '../services/pulse.service';
 
+const prisma = new PrismaClient();
+
 export async function pulseRoutes(fastify: FastifyInstance) {
     // Auth middleware
     fastify.addHook('onRequest', async (request) => {
@@ -110,6 +113,44 @@ export async function pulseRoutes(fastify: FastifyInstance) {
 
             try {
                 const readings = await pulse.getCurrentReadings();
+
+                // Check thresholds and persist alerts (for demo/failsafe)
+                const alerts: any[] = [];
+                for (const reading of readings) {
+                    if (reading.temperature !== undefined && pulseThresholds.temperature.max && reading.temperature > pulseThresholds.temperature.max) {
+                        const alertType = 'TEMPERATURE_HIGH';
+
+                        // Check if active alert exists
+                        const activeAlert = await prisma.environmentAlert.findFirst({
+                            where: {
+                                type: alertType,
+                                message: { contains: reading.deviceName || reading.deviceId },
+                                resolvedAt: null
+                            }
+                        });
+
+                        if (!activeAlert) {
+                            const newAlert = await prisma.environmentAlert.create({
+                                data: {
+                                    type: alertType,
+                                    severity: 'WARNING',
+                                    message: `${reading.deviceName || 'Pulse Device'}: ${alertType.replace('_', ' ')} (${reading.temperature} vs ${pulseThresholds.temperature.max})`,
+                                    value: reading.temperature,
+                                    threshold: pulseThresholds.temperature.max,
+                                    createdAt: new Date()
+                                }
+                            });
+                            alerts.push(createAlert(reading, alertType, reading.temperature, pulseThresholds.temperature.max));
+                            fastify.log.info(`🚨 Created new Pulse alert: ${newAlert.id}`);
+                        }
+                    }
+                }
+
+                // Broadcast any new alerts
+                if (alerts.length > 0) {
+                    alerts.forEach(a => broadcastAlert(a));
+                }
+
                 return {
                     readings,
                     timestamp: new Date().toISOString()