Reconstruct batch 030/124: 2026-08-28 → 2026-08-31 (agenthost, sessions, chat, fix)

.github/codeql/codeql-config.yml

@@ -0,0 +1,21 @@
+# Apply this file to CodeQL default setup with the repository property:
+# github-codeql-config-file: ./.github/codeql/codeql-config.yml
+paths-ignore:
+  # Keep directory exclusions scoped: product code imports helpers from some
+  # extension src/test directories.
+  - 'test/**'
+  - 'src/**/test/**'
+  - 'build/**/test/**'
+  - 'cli/tests/**'
+  - '.eslint-plugin-local/tests/**'
+  - 'extensions/*/test/**'
+  - 'extensions/*/tests/**'
+  # Keep exact suffixes: themes.test.contribution.ts ships in the product.
+  - '**/*.test.js'
+  - '**/*.test.jsx'
+  - '**/*.test.mjs'
+  - '**/*.test.cjs'
+  - '**/*.test.ts'
+  - '**/*.test.tsx'
+  - '**/*.test.mts'
+  - '**/*.test.cts'

.github/workflows/pr-darwin-test.yml

@@ -13,7 +13,10 @@ on:
       remote_tests:
         type: boolean
         default: false
-      unit_and_integration_tests:
+      unit_tests:
+        type: boolean
+        default: true
+      integration_tests:
         type: boolean
         default: true
       smoke_tests:
@@ -25,7 +28,7 @@ jobs:
     name: ${{ inputs.job_name }}
     runs-on: macos-26-xlarge
     env:
-      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (!inputs.unit_and_integration_tests && inputs.smoke_tests) && '-smoke' || '' }}
+      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
       NPM_ARCH: arm64
       VSCODE_ARCH: arm64
     steps:
@@ -35,7 +38,7 @@ jobs:
           lfs: true
 
       - name: Detect Agent Host E2E changes
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         id: agent-host-e2e-changes
         uses: ./.github/actions/detect-agent-host-e2e-changes
         with:
@@ -126,25 +129,26 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: 🧪 Run unit tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         run: ./scripts/test.sh --tfs "Unit Tests"
         env:
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run unit tests (node.js)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         run: npm run test-node
 
       - name: 🧪 Run unit tests (Browser, Webkit)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.unit_tests }}
         timeout-minutes: 30
         run: npm run test-browser-no-install -- --browser webkit --tfs "Browser Unit Tests"
         env:
           DEBUG: "*browser*"
 
       - name: Compile extensions for integration tests & smoke tests
+        if: ${{ inputs.integration_tests || inputs.smoke_tests }}
         run: |
           set -e
           npm run gulp \
@@ -167,20 +171,20 @@ jobs:
             compile-extension:vscode-test-resolver
 
       - name: 🧪 Run integration tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-integration.sh --tfs "Integration Tests"
         env:
           VSCODE_SKIP_AGENT_HOST_E2E: ${{ steps.agent-host-e2e-changes.outputs.affected == 'false' && '1' || '0' }}
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run integration tests (Browser, Webkit)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-web-integration.sh --browser webkit
 
       - name: 🧪 Run integration tests (Remote)
-        if: ${{ inputs.remote_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.remote_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-remote-integration.sh
         env:

.github/workflows/pr-linux-test.yml

@@ -13,7 +13,10 @@ on:
       remote_tests:
         type: boolean
         default: false
-      unit_and_integration_tests:
+      unit_tests:
+        type: boolean
+        default: true
+      integration_tests:
         type: boolean
         default: true
       smoke_tests:
@@ -25,7 +28,7 @@ jobs:
     name: ${{ inputs.job_name }}
     runs-on: ubuntu-24.04
     env:
-      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (!inputs.unit_and_integration_tests && inputs.smoke_tests) && '-smoke' || '' }}
+      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
       NPM_ARCH: x64
       VSCODE_ARCH: x64
     steps:
@@ -35,7 +38,7 @@ jobs:
           lfs: true
 
       - name: Detect Agent Host E2E changes
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         id: agent-host-e2e-changes
         uses: ./.github/actions/detect-agent-host-e2e-changes
         with:
@@ -326,26 +329,27 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: 🧪 Run unit tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         run: ./scripts/test.sh --tfs "Unit Tests"
         env:
           DISPLAY: ":10"
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run unit tests (node.js)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         run: npm run test-node
 
       - name: 🧪 Run unit tests (Browser, Chromium)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.unit_tests }}
         timeout-minutes: 30
         run: npm run test-browser-no-install -- --browser chromium --tfs "Browser Unit Tests"
         env:
           DEBUG: "*browser*"
 
       - name: Compile extensions for integration tests & smoke tests
+        if: ${{ inputs.integration_tests || inputs.smoke_tests }}
         run: |
           set -e
           npm run gulp \
@@ -368,7 +372,7 @@ jobs:
             compile-extension:vscode-test-resolver
 
       - name: 🧪 Run integration tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-integration.sh --tfs "Integration Tests"
         env:
@@ -377,12 +381,12 @@ jobs:
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run integration tests (Browser, Chromium)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-web-integration.sh --browser chromium
 
       - name: 🧪 Run integration tests (Remote)
-        if: ${{ inputs.remote_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.remote_tests && inputs.integration_tests }}
         timeout-minutes: 20
         run: ./scripts/test-remote-integration.sh
         env:

.github/workflows/pr-win32-test.yml

@@ -13,7 +13,10 @@ on:
       remote_tests:
         type: boolean
         default: false
-      unit_and_integration_tests:
+      unit_tests:
+        type: boolean
+        default: true
+      integration_tests:
         type: boolean
         default: true
       smoke_tests:
@@ -25,7 +28,7 @@ jobs:
     name: ${{ inputs.job_name }}
     runs-on: [ self-hosted, 1ES.Pool=1es-vscode-oss-windows-2022-x64, "JobId=windows-test-${{ inputs.job_name }}-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}" ]
     env:
-      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (!inputs.unit_and_integration_tests && inputs.smoke_tests) && '-smoke' || '' }}
+      ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
       NPM_ARCH: x64
       VSCODE_ARCH: x64
     steps:
@@ -35,7 +38,7 @@ jobs:
           lfs: true
 
       - name: Detect Agent Host E2E changes
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         id: agent-host-e2e-changes
         uses: ./.github/actions/detect-agent-host-e2e-changes
         with:
@@ -136,28 +139,29 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: 🧪 Run unit tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         shell: pwsh
         run: .\scripts\test.bat --tfs "Unit Tests"
         env:
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run unit tests (node.js)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.unit_tests }}
         timeout-minutes: 15
         shell: pwsh
         run: npm run test-node
 
       - name: 🧪 Run unit tests (Browser, Chromium)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.unit_tests }}
         timeout-minutes: 20
         shell: pwsh
         run: node test/unit/browser/index.js --browser chromium --tfs "Browser Unit Tests"
         env:
           DEBUG: "*browser*"
 
       - name: Compile extensions for integration tests & smoke tests
+        if: ${{ inputs.integration_tests || inputs.smoke_tests }}
         shell: pwsh
         run: |
           . build/azure-pipelines/win32/exec.ps1
@@ -183,13 +187,13 @@ jobs:
           }
 
       - name: Diagnostics before integration test runs
-        if: ${{ inputs.unit_and_integration_tests && always() }}
+        if: ${{ inputs.integration_tests && always() }}
         shell: pwsh
         run: .\build\azure-pipelines\win32\listprocesses.bat
         continue-on-error: true
 
       - name: 🧪 Run integration tests (Electron)
-        if: ${{ inputs.electron_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.electron_tests && inputs.integration_tests }}
         timeout-minutes: 20
         shell: pwsh
         run: .\scripts\test-integration.bat --tfs "Integration Tests"
@@ -198,21 +202,21 @@ jobs:
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: 🧪 Run integration tests (Browser, Chromium)
-        if: ${{ inputs.browser_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.browser_tests && inputs.integration_tests }}
         timeout-minutes: 20
         shell: pwsh
         run: .\scripts\test-web-integration.bat --browser chromium
 
       - name: 🧪 Run integration tests (Remote)
-        if: ${{ inputs.remote_tests && inputs.unit_and_integration_tests }}
+        if: ${{ inputs.remote_tests && inputs.integration_tests }}
         timeout-minutes: 20
         shell: pwsh
         run: .\scripts\test-remote-integration.bat
         env:
           VSCODE_SKIP_PRELAUNCH: '1'
 
       - name: Diagnostics after integration test runs
-        if: ${{ inputs.unit_and_integration_tests && always() }}
+        if: ${{ inputs.integration_tests && always() }}
         shell: pwsh
         run: .\build\azure-pipelines\win32\listprocesses.bat
         continue-on-error: true

.github/workflows/pr.yml

@@ -113,12 +113,22 @@ jobs:
       job_name: CLI
       rustup_toolchain: 1.88
 
+  linux-electron-unit-tests:
+    name: Linux
+    uses: ./.github/workflows/pr-linux-test.yml
+    with:
+      job_name: Electron-Unit
+      electron_tests: true
+      integration_tests: false
+      smoke_tests: false
+
   linux-electron-tests:
     name: Linux
     uses: ./.github/workflows/pr-linux-test.yml
     with:
       job_name: Electron
       electron_tests: true
+      unit_tests: false
       smoke_tests: false
 
   linux-electron-smoke-tests:
@@ -127,7 +137,8 @@ jobs:
     with:
       job_name: Electron-Smoke
       electron_tests: true
-      unit_and_integration_tests: false
+      unit_tests: false
+      integration_tests: false
 
   linux-browser-tests:
     name: Linux
@@ -143,12 +154,22 @@ jobs:
       job_name: Remote
       remote_tests: true
 
+  macos-electron-unit-tests:
+    name: macOS
+    uses: ./.github/workflows/pr-darwin-test.yml
+    with:
+      job_name: Electron-Unit
+      electron_tests: true
+      integration_tests: false
+      smoke_tests: false
+
   macos-electron-tests:
     name: macOS
     uses: ./.github/workflows/pr-darwin-test.yml
     with:
       job_name: Electron
       electron_tests: true
+      unit_tests: false
       smoke_tests: false
 
   macos-electron-smoke-tests:
@@ -157,7 +178,8 @@ jobs:
     with:
       job_name: Electron-Smoke
       electron_tests: true
-      unit_and_integration_tests: false
+      unit_tests: false
+      integration_tests: false
 
   macos-browser-tests:
     name: macOS
@@ -173,12 +195,22 @@ jobs:
       job_name: Remote
       remote_tests: true
 
+  windows-electron-unit-tests:
+    name: Windows
+    uses: ./.github/workflows/pr-win32-test.yml
+    with:
+      job_name: Electron-Unit
+      electron_tests: true
+      integration_tests: false
+      smoke_tests: false
+
   windows-electron-tests:
     name: Windows
     uses: ./.github/workflows/pr-win32-test.yml
     with:
       job_name: Electron
       electron_tests: true
+      unit_tests: false
       smoke_tests: false
 
   windows-electron-smoke-tests:
@@ -187,7 +219,8 @@ jobs:
     with:
       job_name: Electron-Smoke
       electron_tests: true
-      unit_and_integration_tests: false
+      unit_tests: false
+      integration_tests: false
 
   windows-browser-tests:
     name: Windows