Implement managed browser security, individual agents and observability

package-lock.json

@@ -21,6 +21,7 @@
         "express": "5.3.0",
         "jose": "6.2.12",
         "pngjs": "7.0.0",
+        "sax": "1.4.4",
         "zod": "^4.3.6"
       },
       "devDependencies": {
@@ -4240,10 +4241,9 @@
       }
     },
     "node_modules/sax": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/sax/-/sax-1.6.1.tgz",
-      "integrity": "sha512-42tBVwLWnaQvW5zc4HbZrTuWccECCZfBi92FDuwtqxasH+JbPB3/FOKb1m222K42R4WxuxzzMsTswfzgtSu64Q==",
-      "dev": true,
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.4.4.tgz",
+      "integrity": "sha512-1n3r/tGXO6b6VXMdFT54SHzT9ytu9yr7TaELowdYpMqY/Ao7EnlQGmAQ1+RatX7Tkkdm6hONI2owqNx2aZj5Sw==",
       "license": "BlueOak-1.0.0",
       "engines": {
         "node": ">=11.0.0"