[chores] Improved CI failure bot caller

Added enhanced scoping and minor adjustments.

Author: stktyagi

.github/workflows/bot-ci-failure.yml

@@ -35,9 +35,8 @@ jobs:
             local pr_number="$1"
             local pr_author
             pr_author=$(gh pr view "$pr_number" --repo "$REPO" --json author --jq '.author.login // empty' 2>/dev/null || echo "")
-            if [ -z "$pr_author" ]; then
-              pr_author="${{ github.event.workflow_run.actor.login }}"
-              echo "::warning::Could not fetch PR author for PR #$pr_number; falling back to @$pr_author"
+            if [ -z "$pr_author" ] || [ "$pr_author" = "null" ]; then
+              echo "::warning::Could not fetch PR author for PR #$pr_number"
             fi 
             echo "number=$pr_number" >> "$GITHUB_OUTPUT"
             echo "author=$pr_author" >> "$GITHUB_OUTPUT"
@@ -50,7 +49,7 @@ jobs:
           fi
           HEAD_SHA="$EVENT_HEAD_SHA"
           echo "Payload empty. Searching for PR via Commits API..."
-          PR_NUMBER=$(gh api repos/$REPO/commits/$HEAD_SHA/pulls -q '[.[] | select(.state == "open")][0].number' 2>/dev/null || true)
+          PR_NUMBER=$(gh api repos/$REPO/commits/$HEAD_SHA/pulls -q '.[0].number' 2>/dev/null || true)
           if [ -n "$PR_NUMBER" ] && [ "$PR_NUMBER" != "null" ]; then
              echo "Found PR #$PR_NUMBER using Commits API."
              emit_pr "$PR_NUMBER"