fix(ci): exact match for webex package and handle empty outputs

- Use exact match grep (^webex$) to avoid matching @webex/* packages
- Add fallback to empty arrays for JSON.parse to handle missing outputs

Author: vamshigovardhana

.github/workflows/pr-comment-bot.yml

@@ -90,10 +90,10 @@ jobs:
           
           echo "packages=${PACKAGES_JSON}" >> $GITHUB_OUTPUT
           
-          # Check if webex is in the packages list
-          if echo "$PACKAGES" | grep -q "webex"; then
+          # Check if webex is in the packages list (exact match, not @webex/*)
+          if echo "$PACKAGES_CLEAN" | tr ',' '\n' | grep -q "^webex$"; then
             echo "primary_package=webex" >> $GITHUB_OUTPUT
-            echo "✅ webex detected in packages"
+            echo "✅ webex detected in packages (exact match)"
           else
             # Use first package
             PRIMARY=$(echo "$PACKAGES_CLEAN" | tr ',' '\n' | head -1 | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
@@ -187,11 +187,12 @@ jobs:
           script: |
             const version = '${{ steps.version-info.outputs.version }}';
             const versionNumber = '${{ steps.version-info.outputs.version_number }}';
-            const prNumbers = JSON.parse('${{ steps.get-prs.outputs.pr_numbers }}');
-            const packages = JSON.parse('${{ steps.get-packages.outputs.packages }}');
+            // Handle missing outputs gracefully with fallback to empty arrays
+            const prNumbers = JSON.parse('${{ steps.get-prs.outputs.pr_numbers }}' || '[]');
+            const packages = JSON.parse('${{ steps.get-packages.outputs.packages }}' || '[]');
             const primaryPackage = '${{ steps.get-packages.outputs.primary_package }}' || 'webex';
-            const commits = JSON.parse('${{ steps.get-prs.outputs.commits }}');
-            const commitCount = '${{ steps.get-prs.outputs.commit_count }}';
+            const commits = JSON.parse('${{ steps.get-prs.outputs.commits }}' || '[]');
+            const commitCount = '${{ steps.get-prs.outputs.commit_count }}' || '0';
             
             console.log(`Posting comments to ${prNumbers.length} PRs`);
             console.log(`📦 Packages detected: ${packages.length}`);