Fix Execute Notebooks CI for fork PRs

.github/workflows/check-notebook-license.yml

@@ -2,7 +2,7 @@ name: Check Notebook License Footers
 
 on:
   pull_request:
-    branches: ['main']
+    branches: ['main', 'staging']
     types: [opened, reopened, ready_for_review, synchronize]
   workflow_dispatch:
 

.github/workflows/check-notebook-outputs.yml

@@ -2,7 +2,7 @@ name: Check Notebook Outputs
 
 on:
   pull_request:
-    branches: ['main']
+    branches: ['main', 'staging']
     types: [opened, reopened, ready_for_review, synchronize]
   workflow_dispatch:
 

.github/workflows/execute-notebooks.yml

@@ -2,7 +2,7 @@ name: Execute Notebooks
 
 on:
   pull_request:
-    branches: ['main']
+    branches: ['main', 'staging']
     types: [opened, reopened, ready_for_review, synchronize]
   workflow_dispatch:
 
@@ -70,6 +70,14 @@ jobs:
             continue
           fi
 
+          # Skip notebooks that authenticate with the qBraid API when no key is
+          # available (secrets are not exposed to pull_request runs from forks)
+          if [ -z "$QBRAID_API_KEY" ] && grep -qE "QbraidProvider|QbraidClient" "$nb"; then
+            summary="${summary}| ${name} | :white_circle: SKIPPED (no API key on fork PRs) |\n"
+            skipped=$((skipped + 1))
+            continue
+          fi
+
           echo "::group::Executing $nb"
           if .venv/bin/jupyter nbconvert --to notebook --execute \
             --ExecutePreprocessor.kernel_name=notebook-env \

.github/workflows/format.yml

@@ -2,7 +2,7 @@ name: Format
 
 on:
   pull_request:
-    branches: ['main']
+    branches: ['main', 'staging']
     types: [opened, reopened, ready_for_review, synchronize]
   workflow_dispatch: