feat: startup crash detection

.github/workflows/ci.yml

@@ -10,6 +10,7 @@ on:
 jobs:
   check:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/e2e-tests.yml

@@ -26,10 +26,10 @@ jobs:
   e2e-android:
     name: E2E Android
     runs-on: ubuntu-22.04
+    timeout-minutes: 30
     if: ${{ (github.event_name == 'pull_request' && github.event.pull_request.base.ref == 'main') || (github.event_name == 'workflow_dispatch' && (github.event.inputs.platform == 'all' || github.event.inputs.platform == 'android')) }}
     env:
       HARNESS_DEBUG: true
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -108,6 +108,7 @@ jobs:
   e2e-ios:
     name: E2E iOS
     runs-on: macos-latest
+    timeout-minutes: 30
     if: ${{ (github.event_name == 'pull_request' && github.event.pull_request.base.ref == 'main') || (github.event_name == 'workflow_dispatch' && (github.event.inputs.platform == 'all' || github.event.inputs.platform == 'ios')) }}
     steps:
       - name: Checkout code
@@ -194,10 +195,10 @@ jobs:
   e2e-web:
     name: E2E Web
     runs-on: ubuntu-22.04
+    timeout-minutes: 30
     if: ${{ (github.event_name == 'pull_request' && github.event.pull_request.base.ref == 'main') || (github.event_name == 'workflow_dispatch' && (github.event.inputs.platform == 'all' || github.event.inputs.platform == 'web')) }}
     env:
       HARNESS_DEBUG: true
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -237,3 +238,221 @@ jobs:
         with:
           runner: chromium
           projectRoot: apps/playground
+
+  crash-validate-android:
+    name: Crash Validation Android
+    runs-on: ubuntu-22.04
+    timeout-minutes: 30
+    if: ${{ github.event_name == 'workflow_dispatch' && (github.event.inputs.platform == 'all' || github.event.inputs.platform == 'android') }}
+    env:
+      HARNESS_DEBUG: true
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+          fetch-depth: 0
+
+      - name: Reclaim disk space
+        uses: AdityaGarg8/remove-unwanted-software@v5
+        with:
+          remove-dotnet: true
+          remove-haskell: true
+          remove-codeql: true
+          remove-docker-images: true
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: latest
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24.10.0'
+          cache: 'pnpm'
+
+      - name: Metro cache
+        uses: actions/cache@v4
+        with:
+          path: apps/playground/node_modules/.cache/rn-harness/metro-cache
+          key: metro-cache-${{ hashFiles('apps/playground/node_modules/.cache/rn-harness/metro-cache/**/*') }}
+          restore-keys: |
+            metro-cache
+
+      - name: Install dependencies
+        run: |
+          pnpm install
+
+      - name: Build packages
+        run: |
+          pnpm nx run-many -t build --projects="packages/*"
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Restore APK from cache
+        id: cache-apk-restore
+        uses: actions/cache/restore@v4
+        with:
+          path: apps/playground/android/app/build/outputs/apk/debug/app-debug.apk
+          key: apk-playground
+
+      - name: Build Android app
+        if: steps.cache-apk-restore.outputs.cache-hit != 'true'
+        working-directory: apps/playground
+        run: |
+          pnpm nx run @react-native-harness/playground:build-android --tasks=assembleDebug
+
+      - name: Save APK to cache
+        if: steps.cache-apk-restore.outputs.cache-hit != 'true' && success()
+        uses: actions/cache/save@v4
+        with:
+          path: apps/playground/android/app/build/outputs/apk/debug/app-debug.apk
+          key: apk-playground
+
+      - name: Run React Native Harness (expect crash)
+        id: crash-test
+        continue-on-error: true
+        uses: ./actions/android
+        with:
+          app: android/app/build/outputs/apk/debug/app-debug.apk
+          runner: android-crash-pre-rn
+          projectRoot: apps/playground
+          harnessArgs: --testPathPattern smoke
+
+      - name: Verify crash was detected
+        shell: bash
+        run: |
+          if [ "${{ steps.crash-test.outcome }}" != "failure" ]; then
+            echo "ERROR: Expected harness to fail (crash not detected)"
+            exit 1
+          fi
+          echo "Crash was correctly detected by the harness"
+
+      - name: Verify crash artifacts exist
+        shell: bash
+        run: |
+          CRASH_DIR="apps/playground/.harness/crash-reports"
+          if [ -d "$CRASH_DIR" ] && [ "$(ls -A "$CRASH_DIR" 2>/dev/null)" ]; then
+            echo "Crash report artifacts found:"
+            ls -la "$CRASH_DIR"
+          else
+            echo "ERROR: No crash report artifacts found in $CRASH_DIR"
+            exit 1
+          fi
+
+  crash-validate-ios:
+    name: Crash Validation iOS
+    runs-on: macos-latest
+    timeout-minutes: 30
+    if: ${{ github.event_name == 'workflow_dispatch' && (github.event.inputs.platform == 'all' || github.event.inputs.platform == 'ios') }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+          fetch-depth: 0
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: latest
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24.10.0'
+          cache: 'pnpm'
+
+      - name: Metro cache
+        uses: actions/cache@v4
+        with:
+          path: apps/playground/node_modules/.cache/rn-harness/metro-cache
+          key: metro-cache-${{ hashFiles('apps/playground/node_modules/.cache/rn-harness/metro-cache/**/*') }}
+          restore-keys: |
+            metro-cache
+
+      - name: Install Watchman
+        run: brew install watchman
+
+      - name: Install dependencies
+        run: |
+          pnpm install
+
+      - name: Build packages
+        run: |
+          pnpm nx run-many -t build --projects="packages/*"
+
+      - name: Restore app from cache
+        id: cache-app-restore
+        uses: actions/cache/restore@v4
+        with:
+          path: ./apps/playground/ios/build/Build/Products/Debug-iphonesimulator/HarnessPlayground.app
+          key: ios-app-playground
+
+      - name: CocoaPods cache
+        if: steps.cache-app-restore.outputs.cache-hit != 'true'
+        uses: actions/cache@v4
+        with:
+          path: |
+            ./apps/playground/ios/Pods
+            ~/Library/Caches/CocoaPods
+            ~/.cocoapods
+          key: playground-${{ runner.os }}-pods-${{ hashFiles('./apps/playground/ios/Podfile.lock') }}
+          restore-keys: |
+            playground-${{ runner.os }}-pods-
+
+      - name: Install CocoaPods
+        if: steps.cache-app-restore.outputs.cache-hit != 'true'
+        working-directory: apps/playground/ios
+        run: |
+          pod install
+
+      - name: Build iOS app
+        if: steps.cache-app-restore.outputs.cache-hit != 'true'
+        working-directory: apps/playground
+        run: |
+          pnpm react-native build-ios --buildFolder ./build --verbose
+
+      - name: Save app to cache
+        if: steps.cache-app-restore.outputs.cache-hit != 'true' && success()
+        uses: actions/cache/save@v4
+        with:
+          path: ./apps/playground/ios/build/Build/Products/Debug-iphonesimulator/HarnessPlayground.app
+          key: ios-app-playground
+
+      - name: Run React Native Harness (expect crash)
+        id: crash-test
+        continue-on-error: true
+        uses: ./actions/ios
+        with:
+          app: ios/build/Build/Products/Debug-iphonesimulator/HarnessPlayground.app
+          runner: ios-crash-pre-rn
+          projectRoot: apps/playground
+          harnessArgs: --testPathPattern smoke
+
+      - name: Verify crash was detected
+        shell: bash
+        run: |
+          if [ "${{ steps.crash-test.outcome }}" != "failure" ]; then
+            echo "ERROR: Expected harness to fail (crash not detected)"
+            exit 1
+          fi
+          echo "Crash was correctly detected by the harness"
+
+      - name: Verify crash artifacts exist
+        shell: bash
+        run: |
+          CRASH_DIR="apps/playground/.harness/crash-reports"
+          if [ -d "$CRASH_DIR" ] && [ "$(ls -A "$CRASH_DIR" 2>/dev/null)" ]; then
+            echo "Crash report artifacts found:"
+            ls -la "$CRASH_DIR"
+          else
+            echo "ERROR: No crash report artifacts found in $CRASH_DIR"
+            exit 1
+          fi

.gitignore

@@ -111,6 +111,7 @@ yarn-error.log
 
 # testing
 /coverage
+.harness/
 vite.config.*.timestamp*
 vitest.config.*.timestamp*
 
@@ -128,4 +129,3 @@ npm-debug.*
 *.orig.*
 web-build/
 cache/
-

actions/android/action.yml

@@ -17,6 +17,11 @@ inputs:
     required: false
     type: boolean
     default: 'true'
+  harnessArgs:
+    description: Additional arguments to pass to the Harness CLI
+    required: false
+    type: string
+    default: ''
 runs:
   using: 'composite'
   steps:
@@ -136,7 +141,7 @@ runs:
         script: |
           echo $(pwd)
           adb install -r ${{ inputs.app }}
-          ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
+          ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }} ${{ inputs.harnessArgs }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
@@ -146,3 +151,10 @@ runs:
           ${{ inputs.projectRoot }}/**/__image_snapshots__/**/*-diff.png
           ${{ inputs.projectRoot }}/**/__image_snapshots__/**/*-actual.png
         if-no-files-found: ignore
+    - name: Upload crash report artifacts
+      if: always()
+      uses: actions/upload-artifact@v4
+      with:
+        name: harness-crash-reports-android
+        path: ${{ inputs.projectRoot }}/.harness/crash-reports/**/*
+        if-no-files-found: ignore

actions/ios/action.yml

@@ -17,6 +17,11 @@ inputs:
     required: false
     type: boolean
     default: 'true'
+  harnessArgs:
+    description: Additional arguments to pass to the Harness CLI
+    required: false
+    type: string
+    default: ''
 runs:
   using: 'composite'
   steps:
@@ -63,7 +68,7 @@ runs:
     - name: Run E2E tests
       shell: bash
       working-directory: ${{ inputs.projectRoot }}
-      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
+      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }} ${{ inputs.harnessArgs }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
@@ -73,3 +78,10 @@ runs:
           ${{ inputs.projectRoot }}/**/__image_snapshots__/**/*-diff.png
           ${{ inputs.projectRoot }}/**/__image_snapshots__/**/*-actual.png
         if-no-files-found: ignore
+    - name: Upload crash report artifacts
+      if: always()
+      uses: actions/upload-artifact@v4
+      with:
+        name: harness-crash-reports-ios
+        path: ${{ inputs.projectRoot }}/.harness/crash-reports/**/*
+        if-no-files-found: ignore