feat: enable custom baseline periods for Experiments to solve seasonality

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@google/genai": "^1.30.0",
         "@supabase/supabase-js": "^2.97.0",
+        "dotenv": "^17.3.1",
         "node-fetch": "^3.3.2",
         "papaparse": "^5.5.3",
         "react": "^19.2.0",
@@ -3027,6 +3028,18 @@
         "node": ">=0.3.1"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.3.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.3.1.tgz",
+      "integrity": "sha512-IO8C/dzEb6O3F9/twg6ZLXz164a2fhTnEWb95H23Dm4OuN+92NmEAlTrupP9VW6Jm3sO26tQlqyvyi4CsnY9GA==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/eastasianwidth": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",