Require node v20 everywhere

.github/workflows/changeset-release.yml

@@ -9,6 +9,7 @@ on:
 env:
   REPO_PATH: ${{ github.repository }}
   GIT_REF: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || 'main' }}
+  NODE_VERSION: 20.18.1
 
 jobs:
   # Job 1: Create version bump PR when changesets are merged to main
@@ -33,7 +34,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'npm'
 
       - name: Install Dependencies

.github/workflows/code-qa.yml

@@ -8,6 +8,9 @@ on:
     types: [opened, reopened, ready_for_review, synchronize]
     branches: [main]
 
+env:
+  NODE_VERSION: 20.18.1
+
 jobs:
   compile:
     runs-on: ubuntu-latest
@@ -17,7 +20,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'npm'
       - name: Install dependencies
         run: npm run install:all
@@ -36,7 +39,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'npm'
       - name: Install dependencies
         run: npm run install:all
@@ -68,7 +71,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'npm'
       - name: Create env.integration file
         run: echo "OPENROUTER_API_KEY=${{ secrets.OPENROUTER_API_KEY }}" > .env.integration

.github/workflows/marketplace-publish.yml

@@ -6,6 +6,7 @@ on:
 
 env:
   GIT_REF: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || 'main' }}
+  NODE_VERSION: 20.18.1
 
 jobs:
   publish-extension:
@@ -22,7 +23,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
       - run: |
           git config user.name github-actions
           git config user.email [email protected]

.nvmrc

@@ -1 +1 @@
-lts/*
+v20.18.1

flake.nix

@@ -17,8 +17,8 @@
 
       packages = with pkgs; [
         zsh
-        nodejs_18
-        corepack_18
+        nodejs_20
+        corepack_20
       ];
 
       shellHook = ''

package.json

@@ -10,7 +10,8 @@
 		"theme": "dark"
 	},
 	"engines": {
-		"vscode": "^1.84.0"
+		"vscode": "^1.84.0",
+		"node": ">=20.18.1"
 	},
 	"author": {
 		"name": "Roo Vet"