Migrate to pnpm workspaces with parallel builds

- Add root package.json with pnpm@10.12.1 packageManager field
- Add pnpm-workspace.yaml with catalog versions for shared deps
  (@types/node, @types/vscode, tsx, esbuild, etc.)
- Convert all package scripts from npm to pnpm
- Use catalog: protocol for shared dependency versions
- Use node-linker=hoisted in .npmrc for compatibility
- Add skipLibCheck to tsconfig.base.json for monorepo type isolation
- Consolidate serialize-javascript override to root pnpm.overrides
- Remove all per-package package-lock.json files (single pnpm-lock.yaml)

CI/CD:
- GitHub Actions: collapse matrix build to single job using
  pnpm -r --parallel for lint/build/test/package
- AzDO pipeline: collapse 8 jobs to single job at repo root
  with packageManager: pnpm

Packages remain independent (use published versions of each other)
so all operations run fully in parallel.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bwateratmsft

.config/build.yml

@@ -32,22 +32,6 @@ extends:
   template: azdo-pipelines/1es-mb-main.yml@azExtTemplates
   parameters:
     signType: none
+    packageManager: pnpm
     feedBaseUrl: ${{ variables.feedBaseUrl }}
     testARMServiceConnection: ${{ variables.testARMServiceConnection }}
-    jobs:
-      - name: microsoft_vscode_azext_azureappservice
-        working_directory: appservice
-      - name: microsoft_vscode_azext_azureappsettings
-        working_directory: appsettings
-      - name: microsoft_vscode_azext_azureauth
-        working_directory: auth
-      - name: microsoft_vscode_azext_azureutils
-        working_directory: azure
-      - name: microsoft_vscode_azext_eng
-        working_directory: eng
-      - name: microsoft_vscode_azext_github
-        working_directory: github
-      - name: microsoft_vscode_azext_utils
-        working_directory: utils
-      - name: microsoft_vscode_azext_webview
-        working_directory: webview

.github/workflows/jobs.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       # Setup
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # GitHub (unlike AzDO) can't enforce an enum on a workflow_call input, so
       # fail the build when package_manager isn't one we support. The step is
       # skipped entirely when the value is valid.
@@ -39,7 +39,7 @@ jobs:
         if: ${{ inputs.package_manager == 'pnpm' }}
         run: corepack enable && corepack prepare --activate
       - name: Using Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version-file: .nvmrc
           cache: ${{ inputs.package_manager == 'pnpm' && 'pnpm' || '' }}

.github/workflows/packages.yml

@@ -8,45 +8,7 @@ on:
       - rel/*
 
 jobs:
-  ChangedPackages:
-    # Determine changed subpaths to run the matrix on
-    # See https://github.com/dorny/paths-filter/tree/v4/#examples
-    runs-on: ubuntu-latest
-    steps:
-      - name: Determine changed packages
-        uses: dorny/paths-filter@v4
-        id: filter
-        with:
-          filters: |
-            appservice: "appservice/**"
-            appsettings: "appsettings/**"
-            auth: "auth/**"
-            azure: "azure/**"
-            eng: "eng/**"
-            github: "github/**"
-            utils: "utils/**"
-            webview: "webview/**"
-    outputs:
-      # Expose matched filters as job 'packages' output variable
-      packages: ${{ steps.filter.outputs.changes }}
-
   Build:
-    if: ${{ fromJson(needs.ChangedPackages.outputs.packages)[0] != null }}
-    # Use template from https://github.com/microsoft/vscode-azuretools/blob/main/.github/workflows/jobs.yml
     uses: ./.github/workflows/jobs.yml
-    needs: [ChangedPackages]
     with:
-      working_directory: ${{ matrix.package }}
-    strategy:
-      matrix:
-        package: ${{ fromJson(needs.ChangedPackages.outputs.packages) }}
-
-  CheckResults: # required for GtiHub PR rules
-    # Require all jobs under `build` to have succeeded
-    # See https://github.com/orgs/community/discussions/26822
-    if: ${{ always() }}
-    needs: [Build, ChangedPackages]
-    runs-on: ubuntu-latest
-    steps:
-      - run: exit 1
-        if: ${{ (fromJson(needs.ChangedPackages.outputs.packages)[0] != null) && contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
+      package_manager: pnpm

appservice/.vscode-test.mjs

@@ -3,4 +3,8 @@
  *  Licensed under the MIT License. See LICENSE.md in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-export { azExtTestConfig as default } from '@microsoft/vscode-azext-eng/vscode-test'; // Other configurations exist
+import { resolve } from 'node:path';
+import { azExtTestConfig } from '@microsoft/vscode-azext-eng/vscode-test';
+
+// Share a single VS Code download across all workspace packages
+export default { ...azExtTestConfig, cachePath: resolve(import.meta.dirname, '..', '.vscode-test') };