Implement v2 API for stateful sessions and add engagement metrics support

package-lock.json

@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "better-sqlite3": "^11.0.0",
+        "cors": "^2.8.5",
         "express": "^4.18.2",
         "puppeteer": "^23.0.0"
       }
@@ -527,6 +528,19 @@
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       "license": "MIT"
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+    "node_modules/cors": {
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+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
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       "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-9.0.0.tgz",
@@ -1445,6 +1459,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
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       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",