CI: pnpm verify on pull_request + Node 24 opt-in

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+# GitHub forces all JavaScript actions to Node 24 on 2026-06-16; opt in early
+# so any breakage surfaces while it's still a choice.
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Verify (typecheck + lint + format + build)
+        run: pnpm verify

.github/workflows/deploy.yml

@@ -10,6 +10,11 @@ permissions:
   pages: write
   id-token: write
 
+# GitHub forces all JavaScript actions to Node 24 on 2026-06-16; opt in early
+# (actions/deploy-pages@v4 still declares Node 20) so breakage surfaces now.
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
 # One deploy at a time; let an in-flight production deploy finish.
 concurrency:
   group: pages