Migrate from npm to pnpm across entire project

• Update all GitHub workflow files to use pnpm instead of npm
• Replace npm commands with pnpm equivalents in devcontainer scripts
• Remove package-lock.json files and update to use pnpm-lock.yaml
• Consolidate node version references to use server/.nvmrc

.github/workflows/cli.yml

@@ -33,21 +33,24 @@ jobs:
         with:
           persist-credentials: false
 
-      # Setup .npmrc file to publish to npm
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
-        with:
-          node-version-file: './cli/.nvmrc'
-          registry-url: 'https://registry.npmjs.org'
-          cache: 'npm'
-          cache-dependency-path: '**/package-lock.json'
+      - name: Setup pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
 
-      - name: Prepare SDK
-        run: npm ci --prefix ../open-api/typescript-sdk/
-      - name: Build SDK
-        run: npm run build --prefix ../open-api/typescript-sdk/
-      - run: npm ci
-      - run: npm run build
-      - run: npm publish
+      - name: Setup Node
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version-file: './server/.nvmrc'
+          registry-url: 'https://registry.npmjs.org'
+          cache: 'pnpm'
+          cache-dependency-path: '**/pnpm-lock.yaml'
+
+      - name: Setup typescript-sdk
+        run: pnpm install && pnpm run build
+        working-directory: ./open-api/typescript-sdk
+
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm build
+      - run: pnpm publish
         if: ${{ github.event_name == 'release' }}
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}