Add New Relic Node.js APM monitoring to backend

- Install newrelic package for server-side APM
- Create newrelic.js configuration with distributed tracing enabled
- Update npm scripts to preload agent via -r flag for ES modules
- Correlates with existing browser agent for end-to-end tracing

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

newrelic.js

@@ -0,0 +1,36 @@
+'use strict'
+
+/**
+ * New Relic Node.js APM Configuration
+ *
+ * This file configures the New Relic agent for backend monitoring.
+ * Requires NEW_RELIC_LICENSE_KEY environment variable to be set.
+ *
+ * Distributed tracing is enabled to correlate with browser agent traces.
+ */
+
+exports.config = {
+  app_name: ['dasfad'],
+  license_key: process.env.NEW_RELIC_KEY,
+  distributed_tracing: {
+    enabled: true
+  },
+  logging: {
+    level: 'info'
+  },
+  allow_all_headers: true,
+  attributes: {
+    exclude: [
+      'request.headers.cookie',
+      'request.headers.authorization',
+      'request.headers.proxyAuthorization',
+      'request.headers.setCookie*',
+      'request.headers.x*',
+      'response.headers.cookie',
+      'response.headers.authorization',
+      'response.headers.proxyAuthorization',
+      'response.headers.setCookie*',
+      'response.headers.x*'
+    ]
+  }
+}

package.json

@@ -1,18 +1,18 @@
 {
   "name": "immersive",
   "private": true,
-  "version": "0.0.8-47",
+  "version": "0.0.8-48",
   "type": "module",
   "license": "MIT",
   "engines": {
     "node": ">=18.0.0"
   },
   "scripts": {
-    "dev": "node server.js",
+    "dev": "node -r newrelic server.js",
     "test": "vitest",
     "build": "node versionBump.js && vite build",
-    "start": "NODE_ENV=production node server.js",
+    "start": "NODE_ENV=production node -r newrelic server.js",
-    "start:api": "API_ONLY=true node server.js",
+    "start:api": "API_ONLY=true node -r newrelic server.js",
     "socket": "node server/server.js",
     "serverBuild": "cd server && tsc",
     "havok": "cp ./node_modules/@babylonjs/havok/lib/esm/HavokPhysics.wasm ./node_modules/.vite/deps"
@@ -33,6 +33,7 @@
     "@mantine/form": "^7.17.8",
     "@mantine/hooks": "^7.17.8",
     "@maptiler/client": "1.8.1",
+    "@newrelic/browser-agent": "^1.306.0",
     "@picovoice/cobra-web": "^2.0.3",
     "@picovoice/eagle-web": "^1.0.0",
     "@picovoice/web-voice-processor": "^4.0.9",
@@ -40,7 +41,6 @@
     "@types/node": "^18.14.0",
     "@types/react": "^18.2.72",
     "@types/react-dom": "^18.2.22",
-    "@newrelic/browser-agent": "^1.306.0",
     "axios": "^1.10.0",
     "canvas-hypertxt": "1.0.3",
     "cors": "^2.8.5",
@@ -54,6 +54,7 @@
     "leveldown": "^6.1.1",
     "loglevel": "^1.9.1",
     "meaningful-string": "^1.4.0",
+    "newrelic": "^13.9.1",
     "peer-lite": "2.0.2",
     "pouchdb": "^8.0.1",
     "pouchdb-adapter-leveldb": "^9.0.0",