Azure · lambrianmsft · Jul 2, 2026 · Jul 2, 2026
diff --git a/.github/agents/customer-repro-tester.agent.md b/.github/agents/customer-repro-tester.agent.md
@@ -12,7 +12,7 @@ Your job is to turn customer reports into safe, actionable repro evidence:
 - parse symptoms, expected behavior, actual behavior, host surface, SKU, workflow kind, versions, settings, screenshots, logs, and sanitized artifacts;
 - remove or reject secrets, tenant IDs, subscription IDs, connection strings, tokens, personal data, and raw customer payloads;
 - choose the cheapest reliable repro method: manual, unit, React unit, Playwright E2E, VS Code ExTester E2E, or live-service-only investigation;
-- use Playwright for browser/standalone/portal-like flows and VS Code ExTester through `run-e2e.js` for VS Code extension/webview flows;
+- use Playwright for browser/standalone/portal-like flows and VS Code ExTester through `run-e2e.ts` for VS Code extension/webview flows;
 - produce a repro report with steps, expected/actual behavior, evidence, likely owner, regression recommendation, and privacy notes.
 
 Do not use live Azure/ARM/customer-tenant resources without explicit user approval.
diff --git a/.github/agents/test.agent.md b/.github/agents/test.agent.md
@@ -13,7 +13,7 @@ Own test strategy and coverage quality:
 - map behavior changes and PR comments to meaningful assertions;
 - reuse existing helpers, mocks, and fixtures;
 - avoid weakening assertions to hide product bugs;
-- for VS Code E2E, ensure tests are wired through `apps/vs-code-designer/src/test/ui/run-e2e.js` and follow `apps/vs-code-designer/src/test/ui/SKILL.md`;
+- for VS Code E2E, ensure tests are wired through `apps/vs-code-designer/src/test/ui/run-e2e.ts` and follow `apps/vs-code-designer/src/test/ui/SKILL.md`;
 - provide a coverage verdict before final status when tests are part of the plan.
 
 Do not write production feature code unless explicitly asked. Coordinate with the owning domain agent for product changes.
diff --git a/.github/agents/vscode-test-specialist.agent.md b/.github/agents/vscode-test-specialist.agent.md
@@ -5,7 +5,7 @@ description: Specialist for VS Code extension unit tests and ExTester UI E2E tes
 
 You are the LogicAppsUX VS Code test specialist.
 
-Use `.squad/agents/vscode-test-specialist/charter.md` as your detailed charter. Read `.squad/playbooks/vscode-testing.md`, `.squad/knowledge/vscode-e2e-testing.md`, `apps/vs-code-designer/src/test/ui/SKILL.md`, and `apps/vs-code-designer/src/test/ui/run-e2e.js` before editing VS Code UI E2E tests.
+Use `.squad/agents/vscode-test-specialist/charter.md` as your detailed charter. Read `.squad/playbooks/vscode-testing.md`, `.squad/knowledge/vscode-e2e-testing.md`, `apps/vs-code-designer/src/test/ui/SKILL.md`, and `apps/vs-code-designer/src/test/ui/run-e2e.ts` before editing VS Code UI E2E tests.
 
 Focus on deterministic VS Code tests:
 

diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
@@ -64,7 +64,7 @@ pnpm run vscode:designer:e2e:headless # Headless mode
 ```bash
 cd apps/vs-code-designer
 npx tsup --config tsup.e2e.test.config.ts
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 
 # Run specific phases via E2E_MODE env var
 E2E_MODE="createonly"    # Phase 4.1: workspace creation
@@ -82,7 +82,7 @@ Key knowledge files for E2E tests:
 - `apps/vs-code-designer/src/test/ui/SKILL.md` — Complete learning document (700+ lines)
 - `apps/vs-code-designer/src/test/ui/designerHelpers.ts` — Shared designer test helpers
 - `apps/vs-code-designer/src/test/ui/runHelpers.ts` — Shared debug/run test helpers
-- `apps/vs-code-designer/src/test/ui/run-e2e.js` — Test launcher (7 phases)
+- `apps/vs-code-designer/src/test/ui/run-e2e.ts` — Test launcher (7 phases)
 
 ### Code Quality
 ```bash
@@ -368,3 +368,4 @@ Each package has detailed guidance in `docs/ai-setup/packages/<name>.md`. Read t
 ## Squad Agents
 
 This repo uses Squad for AI agent specialization. See `.squad/README.md` for the team roster and `.squad/routing.md` for work dispatch.
+
diff --git a/.github/instructions/vs-code-designer.instructions.md b/.github/instructions/vs-code-designer.instructions.md
@@ -98,10 +98,10 @@ Run Phase 4.2 only (requires workspaces from a prior Phase 4.1 run):
 cd apps/vs-code-designer
 npx tsup --config tsup.e2e.test.config.ts
 $env:E2E_MODE = "designeronly"
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 ```
 
-Key files: `designerActions.test.ts`, `run-e2e.js`, `SKILL.md` (detailed learning document)
+Key files: `designerActions.test.ts`, `run-e2e.ts`, `SKILL.md` (detailed learning document)
 
 ## Configuration
 
@@ -178,7 +178,7 @@ Each test runs in its own fresh VS Code session to avoid workspace-switch conten
 
 11. **Only use built-in operations (Request, Response) for reliable tests**: Connector operations (Compose) may not appear if the design-time API hasn't loaded the catalog.
 
-12. **Always run tests automatically after creating or modifying them**: After writing or editing any test file, immediately: lint (`npx biome check --write`), build (`npx tsup`), and run (`node src/test/ui/run-e2e.js`) — don't wait for the user to ask. Report pass/fail results with any failure details.
+12. **Always run tests automatically after creating or modifying them**: After writing or editing any test file, immediately: lint (`npx biome check --write`), build (`npx tsup`), and run (`node out/test/run-e2e.js`) — don't wait for the user to ask. Report pass/fail results with any failure details.
 
 ### Running Tests
 
@@ -201,7 +201,7 @@ $env:E2E_MODE = "independentonly"         # 4.0 + 4.8b + 4.11 — no Phase 4.1 d
 $env:E2E_MODE = "createplusdesigner"      # 4.1 → 4.2, 4.7
 $env:E2E_MODE = "createplusnewtests"      # 4.1 → 4.3, 4.4, 4.5, 4.6
 $env:E2E_MODE = "createplusconversion"    # 4.1 → 4.8a, 4.8c, 4.8d, 4.8e
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 ```
 
 The four `createplus*` / `independentonly` modes are how `.github/workflows/vscode-e2e.yml` shards the suite across parallel runners. `full` remains the single-runner debug fallback.
@@ -239,3 +239,4 @@ Do NOT stop after pushing and tell the user "I'll wait" — proactively check an
 ## Graphify
 
 Read `apps/vs-code-designer/src/graphify-out/GRAPH_REPORT.md` for structural context (god nodes, communities, surprising connections).
+
diff --git a/.github/workflows/vscode-e2e.yml b/.github/workflows/vscode-e2e.yml
@@ -210,7 +210,7 @@ jobs:
         run: |
           export PATH="$(dirname $(which node)):/usr/local/bin:/usr/bin:/bin:$PATH"
           xvfb-run --auto-servernum --server-args="-screen 0 1920x1080x24" \
-            node apps/vs-code-designer/src/test/ui/run-e2e.js
+            node apps/vs-code-designer/out/test/run-e2e.js
         env:
           LA_E2E_SCENARIO: p41a-fixtures
           LA_E2E_STRICT_DEPENDENCY_VALIDATION: '1'
@@ -493,7 +493,7 @@ jobs:
           export PATH="$(dirname $(which node)):/usr/local/bin:/usr/bin:/bin:$PATH"
           echo "PATH=$PATH"
           xvfb-run --auto-servernum --server-args="-screen 0 1920x1080x24" \
-            node apps/vs-code-designer/src/test/ui/run-e2e.js
+            node apps/vs-code-designer/out/test/run-e2e.js
         env:
           # Per-scenario matrix: each shard runs exactly one scenarios[] entry.
           LA_E2E_SCENARIO: ${{ matrix.scenario }}
@@ -515,11 +515,117 @@ jobs:
           if-no-files-found: ignore
           retention-days: 30
 
+  vscode-e2e-compat:
+    name: vscode-e2e compatibility (${{ matrix.label }})
+    needs: setup-extension-build
+    timeout-minutes: 20
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # The runner Node version drives pnpm/tsup/run-e2e.js and any child
+          # processes that resolve node from PATH. The extension-host Node
+          # version is owned by the VS Code/Electron build below.
+          #
+          # Keep an explicit legacy smoke so the latest extension continues to
+          # activate on the stable runner/runtime combination used by the full
+          # VS Code E2E suite.
+          - label: node20-vscode108
+            node-version: 20.x
+            vscode-version: 1.108.0
+          - label: node22-vscode108
+            node-version: 22.x
+            vscode-version: 1.108.0
+          # VS Code 1.123 carries the Electron/Node 24 runtime that exposed the
+          # removed node:util helper regression fixed by this branch.
+          - label: node24-vscode123
+            node-version: 24.x
+            vscode-version: 1.123.0
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Symlink node to system path
+        run: |
+          NODE_BIN="$(which node)"
+          NPM_BIN="$(which npm)"
+          NPX_BIN="$(which npx)"
+          for dir in /usr/local/bin /usr/bin; do
+            sudo ln -sf "$NODE_BIN" "$dir/node"
+            sudo ln -sf "$NPM_BIN"  "$dir/npm"
+            sudo ln -sf "$NPX_BIN"  "$dir/npx"
+          done
+          echo "Symlinked node $(node --version) into /usr/local/bin and /usr/bin"
+          env -i /usr/bin/node --version
+
+      - name: Cache pnpm store
+        uses: actions/cache@v4
+        with:
+          path: ~/.local/share/pnpm/store
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9.1.3
+          run_install: |
+            - recursive: true
+              args: [--frozen-lockfile, --strict-peer-dependencies]
+
+      - name: Download extension build artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: extension-build-${{ github.sha }}
+          path: .
+
+      - name: Extract build artifacts
+        run: tar -xzf extension-build.tar.gz
+
+      - name: Install system dependencies for virtual display
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y xvfb libgbm-dev libgtk-3-0 libnss3 libasound2t64 libxss1 libatk-bridge2.0-0 libatk1.0-0
+
+      - name: Run compatibility activation smoke
+        run: |
+          export PATH="$(dirname $(which node)):/usr/local/bin:/usr/bin:/bin:$PATH"
+          echo "PATH=$PATH"
+          xvfb-run --auto-servernum --server-args="-screen 0 1920x1080x24" \
+            node apps/vs-code-designer/out/test/run-e2e.js
+        env:
+          LA_E2E_SCENARIO: p40-nonlogicapp
+          E2E_VSCODE_VERSION: ${{ matrix.vscode-version }}
+          NODE_OPTIONS: --max-old-space-size=4096
+          TEMP: ${{ runner.temp }}
+          TMP: ${{ runner.temp }}
+          TMPDIR: ${{ runner.temp }}
+
+      - name: Upload test screenshots (always)
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: vscode-e2e-screenshots-compat-${{ matrix.label }}
+          path: |
+            ${{ runner.temp }}/test-resources/screenshots/
+            test-resources/screenshots/
+          if-no-files-found: ignore
+          retention-days: 30
+
   # Rollup status check so branch protection can require a single check name
   # ("vscode-e2e-summary") regardless of how many scenarios we add later.
   vscode-e2e-summary:
     name: vscode-e2e-summary
-    needs: [setup-extension-build, setup-fixtures, vscode-e2e]
+    needs: [setup-extension-build, setup-fixtures, vscode-e2e, vscode-e2e-compat]
     if: always()
     runs-on: ubuntu-latest
     steps:
@@ -528,10 +634,13 @@ jobs:
           echo "setup-extension-build: ${{ needs.setup-extension-build.result }}"
           echo "setup-fixtures:        ${{ needs.setup-fixtures.result }}"
           echo "vscode-e2e (matrix):   ${{ needs.vscode-e2e.result }}"
+          echo "compat matrix:         ${{ needs.vscode-e2e-compat.result }}"
           if [ "${{ needs.setup-extension-build.result }}" != "success" ] || \
              [ "${{ needs.setup-fixtures.result }}" != "success" ] || \
-             [ "${{ needs.vscode-e2e.result }}" != "success" ]; then
+             [ "${{ needs.vscode-e2e.result }}" != "success" ] || \
+             [ "${{ needs.vscode-e2e-compat.result }}" != "success" ]; then
             echo "::error::One or more vscode-e2e jobs failed"
             exit 1
           fi
           echo "All vscode-e2e jobs passed."
+
diff --git a/CLAUDE.md b/CLAUDE.md
@@ -68,7 +68,7 @@ pnpm run vscode:designer:e2e:headless # Headless mode
 ```bash
 cd apps/vs-code-designer
 npx tsup --config tsup.e2e.test.config.ts
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 
 # Run specific phases via E2E_MODE env var
 E2E_MODE="createonly"    # Phase 4.1: workspace creation
@@ -86,7 +86,7 @@ Key knowledge files for E2E tests:
 - `apps/vs-code-designer/src/test/ui/SKILL.md` — Complete learning document (700+ lines)
 - `apps/vs-code-designer/src/test/ui/designerHelpers.ts` — Shared designer test helpers
 - `apps/vs-code-designer/src/test/ui/runHelpers.ts` — Shared debug/run test helpers
-- `apps/vs-code-designer/src/test/ui/run-e2e.js` — Test launcher (7 phases)
+- `apps/vs-code-designer/src/test/ui/run-e2e.ts` — Test launcher (7 phases)
 
 ### Code Quality
 ```bash
@@ -372,3 +372,4 @@ Each package has detailed guidance in `docs/ai-setup/packages/<name>.md`. Read t
 ## Squad Agents
 
 This repo uses Squad for AI agent specialization. See `.squad/README.md` for the team roster and `.squad/routing.md` for work dispatch.
+
diff --git a/apps/vs-code-designer/CLAUDE.md b/apps/vs-code-designer/CLAUDE.md
@@ -98,10 +98,10 @@ Run Phase 4.2 only (requires workspaces from a prior Phase 4.1 run):
 cd apps/vs-code-designer
 npx tsup --config tsup.e2e.test.config.ts
 $env:E2E_MODE = "designeronly"
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 ```
 
-Key files: `designerActions.test.ts`, `run-e2e.js`, `SKILL.md` (detailed learning document)
+Key files: `designerActions.test.ts`, `run-e2e.ts`, `SKILL.md` (detailed learning document)
 
 ## Configuration
 
@@ -178,7 +178,7 @@ Each test runs in its own fresh VS Code session to avoid workspace-switch conten
 
 11. **Only use built-in operations (Request, Response) for reliable tests**: Connector operations (Compose) may not appear if the design-time API hasn't loaded the catalog.
 
-12. **Always run tests automatically after creating or modifying them**: After writing or editing any test file, immediately: lint (`npx biome check --write`), build (`npx tsup`), and run (`node src/test/ui/run-e2e.js`) — don't wait for the user to ask. Report pass/fail results with any failure details.
+12. **Always run tests automatically after creating or modifying them**: After writing or editing any test file, immediately: lint (`npx biome check --write`), build (`npx tsup`), and run (`node out/test/run-e2e.js`) — don't wait for the user to ask. Report pass/fail results with any failure details.
 
 ### Running Tests
 
@@ -201,7 +201,7 @@ $env:E2E_MODE = "independentonly"         # 4.0 + 4.8b + 4.11 — no Phase 4.1 d
 $env:E2E_MODE = "createplusdesigner"      # 4.1 → 4.2, 4.7
 $env:E2E_MODE = "createplusnewtests"      # 4.1 → 4.3, 4.4, 4.5, 4.6
 $env:E2E_MODE = "createplusconversion"    # 4.1 → 4.8a, 4.8c, 4.8d, 4.8e
-node src/test/ui/run-e2e.js
+node out/test/run-e2e.js
 ```
 
 The four `createplus*` / `independentonly` modes are how `.github/workflows/vscode-e2e.yml` shards the suite across parallel runners. `full` remains the single-runner debug fallback.
@@ -239,3 +239,4 @@ Do NOT stop after pushing and tell the user "I'll wait" — proactively check an
 ## Graphify
 
 Read `apps/vs-code-designer/src/graphify-out/GRAPH_REPORT.md` for structural context (god nodes, communities, surprising connections).
+
diff --git a/apps/vs-code-designer/package.json b/apps/vs-code-designer/package.json
@@ -71,7 +71,7 @@
     "test:e2e-cli": "vscode-test",
     "test:e2e-cli:compile": "tsc -p ./tsconfig.e2e.json",
     "pretest:e2e-cli": "pnpm run test:e2e-cli:compile",
-    "vscode:designer:e2e:ui": "cd ../.. && pnpm run build:extension && cd apps/vs-code-designer && pnpm run build:ui && node src/test/ui/run-e2e.js",
-    "vscode:designer:e2e:headless": "cd ../.. && pnpm run build:extension && cd apps/vs-code-designer && pnpm run build:ui && node src/test/ui/run-e2e.js"
+    "vscode:designer:e2e:ui": "cd ../.. && pnpm run build:extension && cd apps/vs-code-designer && pnpm run build:ui && node out/test/run-e2e.js",
+    "vscode:designer:e2e:headless": "cd ../.. && pnpm run build:extension && cd apps/vs-code-designer && pnpm run build:ui && node out/test/run-e2e.js"
   }
 }
diff --git a/apps/vs-code-designer/src/app/commands/createWorkflow/__test__/createWorkflow.test.ts b/apps/vs-code-designer/src/app/commands/createWorkflow/__test__/createWorkflow.test.ts
@@ -194,7 +194,6 @@ describe('createWorkflow', () => {
 
       expect(createLogicAppWorkflow).toHaveBeenCalledWith(context, data, 'D:\\repoA\\SharedProject');
     });
-
     it('throws when webview sends unrecognized project name', async () => {
       const folder = { name: 'ProjectA', uri: { fsPath: 'D:\\workspace\\ProjectA' }, index: 0 } as vscode.WorkspaceFolder;
       (vscode.workspace as any).workspaceFolders = [folder];

diff --git a/apps/vs-code-designer/src/app/utils/languageServerProtocol.ts b/apps/vs-code-designer/src/app/utils/languageServerProtocol.ts
@@ -3,13 +3,12 @@ import path from 'path';
 import * as fse from 'fs-extra';
 import { assetsFolderName, lspDirectory } from '../../constants';
 import { ext } from '../../extensionVariables';
+import { lspSdkHashMarkerName, lspServerDirectoryName, lspServerHashMarkerName } from './languageServerProtocolConstants';
 import { ensureRuntimeDependenciesPath } from './runtimeDependenciesPath';
 import AdmZip from 'adm-zip';
 import { createHash } from 'crypto';
 
-const lspServerDirectoryName = 'LSPServer';
-const lspServerHashMarkerName = '.lspserver-hash';
-const lspSdkHashMarkerName = '.lspsdk-hash';
+export { lspSdkHashMarkerName, lspServerDirectoryName, lspServerHashMarkerName };
 const lockedFileErrorCodes = new Set(['EBUSY', 'EPERM']);
 const lockedFileRetryDelayMs = 2000;
 const lockedFileRetryAttempts = 3;

diff --git a/apps/vs-code-designer/src/app/utils/languageServerProtocolConstants.ts b/apps/vs-code-designer/src/app/utils/languageServerProtocolConstants.ts
@@ -0,0 +1,3 @@
+export const lspServerDirectoryName = 'LSPServer';
+export const lspServerHashMarkerName = '.lspserver-hash';
+export const lspSdkHashMarkerName = '.lspsdk-hash';