ci: deploy GitHub Pages only from main

Made-with: Cursor

Author: sbasu107

.github/workflows/deploy-pages.yml

@@ -16,15 +16,15 @@
 # Project site URL: https://<owner>.github.io/<repo>/
 # EXPO_PUBLIC_BASE_PATH below must match that /<repo> prefix so assets load.
 #
-# To deploy from a branch other than main, add it under `on.push.branches`.
+# Only `main` is allowed to deploy (GitHub Pages environment protection). Merge to main to publish.
 # For a site at the domain root (not /repo/), set EXPO_PUBLIC_BASE_PATH in the
 # Export step to "" and adjust app.config handling if needed.
 
 name: Deploy web to GitHub Pages
 
 on:
   push:
-    branches: [main, feature/graphing, feature/graph2]
+    branches: [main]
   workflow_dispatch:
 
 permissions: