diff --git a/.github/workflows/stageBuild.yml b/.github/workflows/stageBuild.yml
index a2b9c70aa79d..37bfbb0a9f14 100644
--- a/.github/workflows/stageBuild.yml
+++ b/.github/workflows/stageBuild.yml
@@ -26,23 +26,63 @@ jobs:
       - name: Setup depot_tools
         run: |
           git clone --depth=1 https://chromium.googlesource.com/chromium/tools/depot_tools.git /tmp/depot_tools
-
-      - name: add depot_tools path to PATH
-        run: |
-          echo "${{ github.workspace }}/depot_tools" >> $GITHUB_PATH
+          echo "/tmp/depot_tools" >> $GITHUB_PATH
 
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
           node-version: ${{ env.NODE_VERSION }}
         
+      - name: Create gclient config
+        run: |
+          cat > .gclient << 'EOF'
+          solutions = [
+            {
+              "managed": False,
+              "name": "devtools-frontend",
+              "url": "https://chromium.googlesource.com/devtools/devtools-frontend.git",
+              "custom_deps": {},
+              "deps_file": "DEPS",
+              "safesync_url": "",
+            },
+          ]
+          EOF
+
       - name: Sync dependencies
         run: |
-          export PATH="${{ github.workspace }}/depot_tools:$PATH"
+          export PATH="/tmp/depot_tools:$PATH"
           gclient sync
+          # Add ninja to PATH (check both possible locations)
+          if [ -d "devtools-frontend/third_party/ninja" ]; then
+            export PATH="$PWD/devtools-frontend/third_party/ninja:$PATH"
+            echo "$PWD/devtools-frontend/third_party/ninja" >> $GITHUB_PATH
+          elif [ -d "third_party/ninja" ]; then
+            export PATH="$PWD/third_party/ninja:$PATH"
+            echo "$PWD/third_party/ninja" >> $GITHUB_PATH
+          fi
+
+      - name: Generate build files
+        run: |
+          export PATH="/tmp/depot_tools:$PATH"
+          # Ensure ninja is in PATH
+          if [ -d "devtools-frontend/third_party/ninja" ]; then
+            export PATH="$PWD/devtools-frontend/third_party/ninja:$PATH"
+          elif [ -d "third_party/ninja" ]; then
+            export PATH="$PWD/third_party/ninja:$PATH"
+          fi
+          cd devtools-frontend || cd .
+          gn gen out/Default
 
       - name: Build Chrome DevTools
         run: |
+          export PATH="/tmp/depot_tools:$PATH"
+          # Ensure ninja is in PATH
+          if [ -d "devtools-frontend/third_party/ninja" ]; then
+            export PATH="$PWD/devtools-frontend/third_party/ninja:$PATH"
+          elif [ -d "third_party/ninja" ]; then
+            export PATH="$PWD/third_party/ninja:$PATH"
+          fi
+          cd devtools-frontend || cd .
           npm install
           npm run build
 
@@ -75,4 +115,4 @@ jobs:
           --acl public-read --follow-symlinks --delete
 
       - name: Confirm S3 upload
-        run: aws s3 ls s3://${{ env.S3_BUCKET }}/${{ inputs.version }}/
+        run: aws s3 ls s3://${{ env.S3_BUCKET }}/${{ inputs.version }}/
\ No newline at end of file
diff --git a/front_end/core/sdk/OverlayModel.ts b/front_end/core/sdk/OverlayModel.ts
index c9f84b546cd9..96b62060dd75 100644
--- a/front_end/core/sdk/OverlayModel.ts
+++ b/front_end/core/sdk/OverlayModel.ts
@@ -287,10 +287,28 @@ export class OverlayModel extends SDKModel<EventTypes> implements ProtocolProxyA
       Promise<void> {
     await this.domModel.requestDocument();
     this.inspectModeEnabledInternal = mode !== Protocol.Overlay.InspectMode.None;
+    this.notifyParentWindowOfInspectModeChange();
     this.dispatchEventToListeners(Events.InspectModeWillBeToggled, this);
     this.highlighter.setInspectMode(mode, this.buildHighlightConfig('all', showDetailedTooltip));
   }
 
+  private notifyParentWindowOfInspectModeChange(): void {
+    // If the window is not undefined and the parent is not the same as the window, send a message to the parent window.
+    try {
+      if (typeof window !== "undefined" && window.parent && window.parent !== window) {
+        window.parent.postMessage(
+          {
+            type: "inspectModeStateChanged",
+            enabled: this.inspectModeEnabledInternal,
+          },
+          "*"
+        );
+      }
+    } catch (error) {
+      console.error('Error sending inspect mode', error);
+    }
+  }
+
   inspectModeEnabled(): boolean {
     return this.inspectModeEnabledInternal;
   }