From 1703120381ca1c378a89d2a5fc4c52488398879a Mon Sep 17 00:00:00 2001
From: jsshin2022 <59598545+jsshin2022@users.noreply.github.com>
Date: Sun, 25 Oct 2026 12:14:21 +0000
Subject: [PATCH] Load the GA script from the hub stream's Google tag

Google returns 404 for gtag/js with the hub's measurement ID, so the
script never loaded and the hub has sent nothing since it moved to its
own property. The stream's Google tag is the web book's tag ID; loading
the script from it and configuring only the hub's ID delivers events to
the hub property, confirmed in its realtime report.
---
 assets/js/ga.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/assets/js/ga.js b/assets/js/ga.js
index a6b941c..b296bf3 100644
--- a/assets/js/ga.js
+++ b/assets/js/ga.js
@@ -2,11 +2,15 @@
    counted. Incoming utm_* (from shared links or other team sites) reach GA through page_location
    and are then removed from the address bar so the URL people copy stays clean. */
 (() => {
+  /* ID is the hub's GA4 stream. Google serves no tag script for that ID on its own (gtag/js?id=ID is a 404);
+     the stream's Google tag is TAG, so the script loads from TAG and only ID is configured, which keeps the
+     hub's events in the hub's property. */
   const ID = "G-C5V0X2SGD3";
+  const TAG = "G-BEBVKYH8HL";
   if (location.hostname === "causalinferencelab.github.io") {
     const s = document.createElement("script");
     s.async = true;
-    s.src = `https://www.googletagmanager.com/gtag/js?id=${ID}`;
+    s.src = `https://www.googletagmanager.com/gtag/js?id=${TAG}`;
     document.head.appendChild(s);
     window.dataLayer = window.dataLayer || [];
     window.gtag = function gtag() { window.dataLayer.push(arguments); };