From dd2e967f6ca54add441fb0efc795dcbe0ae79419 Mon Sep 17 00:00:00 2001
From: Marcos Caceres <caceres_m@apple.com>
Date: Sat, 25 Apr 2026 16:30:33 +1000
Subject: [PATCH] feat: add GitHub Actions workflow to auto-update W3C groups
 list

Adds weekly scheduled workflow that runs update-w3c-groups-list script
and commits changes if any groups were added or removed.

Closes #395
---
 .github/workflows/update-groups.yml | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 .github/workflows/update-groups.yml

diff --git a/.github/workflows/update-groups.yml b/.github/workflows/update-groups.yml
new file mode 100644
index 00000000..9c0fe9ba
--- /dev/null
+++ b/.github/workflows/update-groups.yml
@@ -0,0 +1,33 @@
+name: Update W3C groups list
+on:
+  schedule:
+    - cron: '23 3 * * 1' # Weekly on Monday at 03:23 UTC
+  workflow_dispatch: # Allow manual trigger
+
+permissions:
+  contents: write
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          ref: main
+      - uses: pnpm/action-setup@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version-file: .nvmrc
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm build
+      - run: node build/scripts/update-w3c-groups-list.js
+        env:
+          DATA_DIR: ${{ github.workspace }}/data
+      - name: Commit changes
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add --force data/w3c/groups.json
+          git diff --staged --quiet || git commit -m "chore: auto-update W3C groups list"
+          git push