chore: remove integration tests (#11598)

* chore: remove integration test files

* chore: remove integration test job from CI workflow

---------

Co-authored-by: Roo Code <roomote@roocode.com>
Co-authored-by: Hannes Rudolph <hrudolph@gmail.com>

Author: 3 people

.github/workflows/code-qa.yml

@@ -58,66 +58,3 @@ jobs:
               uses: ./.github/actions/setup-node-pnpm
             - name: Run unit tests
               run: pnpm test
-
-    check-openrouter-api-key:
-        runs-on: ubuntu-latest
-        outputs:
-            exists: ${{ steps.openrouter-api-key-check.outputs.defined }}
-        steps:
-            - name: Check if OpenRouter API key exists
-              id: openrouter-api-key-check
-              shell: bash
-              run: |
-                  if [ "${{ secrets.OPENROUTER_API_KEY }}" != '' ]; then
-                    echo "defined=true" >> $GITHUB_OUTPUT;
-                  else
-                    echo "defined=false" >> $GITHUB_OUTPUT;
-                  fi
-
-    integration-test:
-        runs-on: ubuntu-latest
-        needs: [check-openrouter-api-key]
-        if: needs.check-openrouter-api-key.outputs.exists == 'true'
-        steps:
-            - name: Checkout code
-              uses: actions/checkout@v4
-            - name: Setup Node.js and pnpm
-              uses: ./.github/actions/setup-node-pnpm
-            - name: Create .env.local file
-              working-directory: apps/vscode-e2e
-              run: echo "OPENROUTER_API_KEY=${{ secrets.OPENROUTER_API_KEY }}" > .env.local
-            - name: Set VS Code test version
-              run: echo "VSCODE_VERSION=1.101.2" >> $GITHUB_ENV
-            - name: Cache VS Code test runtime
-              uses: actions/cache@v4
-              with:
-                  path: apps/vscode-e2e/.vscode-test
-                  key: ${{ runner.os }}-vscode-test-${{ env.VSCODE_VERSION }}
-            - name: Pre-download VS Code test runtime with retry
-              working-directory: apps/vscode-e2e
-              run: |
-                  for attempt in 1 2 3; do
-                    echo "Download attempt $attempt of 3..."
-                    node -e "
-                    const { downloadAndUnzipVSCode } = require('@vscode/test-electron');
-                    downloadAndUnzipVSCode({ version: process.env.VSCODE_VERSION || '1.101.2' })
-                      .then(() => {
-                        console.log('✅ VS Code test runtime downloaded successfully');
-                        process.exit(0);
-                      })
-                      .catch(err => {
-                        console.error('❌ Failed to download VS Code (attempt $attempt):', err);
-                        process.exit(1);
-                      });
-                    " && break || {
-                      if [ $attempt -eq 3 ]; then
-                        echo "All download attempts failed"
-                        exit 1
-                      fi
-                      echo "Retrying in 5 seconds..."
-                      sleep 5
-                    }
-                  done
-            - name: Run integration tests
-              working-directory: apps/vscode-e2e
-              run: xvfb-run -a pnpm test:ci