From 8130c97da474c8eb0b7bf15ee80bc1cebfa1c021 Mon Sep 17 00:00:00 2001
From: Paul Mulligan <paul@pmds.pull-list.net>
Date: Wed, 15 Apr 2026 14:34:29 -0400
Subject: [PATCH] feat: add CI matrix testing for Node.js 20 and 22

Adds a node-compat job to the CI workflow that tests pnpm install
against both Node.js 20 (LTS) and 22 (current LTS) using corepack.
Both matrix entries must pass for CI to be green.

Closes #16

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .github/workflows/ci.yml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f3859f..65106f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -178,6 +178,29 @@ jobs:
           echo "$errors template validation failures"
           exit $errors
 
+  node-compat:
+    name: Node.js ${{ matrix.node-version }} Compatibility
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    strategy:
+      matrix:
+        node-version: [20, 22]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - run: corepack enable
+      - run: pnpm install
+
+      - name: Verify installation
+        run: |
+          echo "Node.js version: $(node --version)"
+          echo "pnpm version: $(pnpm --version)"
+          pnpm ls --depth 0
+
   check-links:
     name: Check Markdown Links
     runs-on: ubuntu-latest