[plan] Add agentic-workflows label to fallback issues in create_pull_request.cjs

[github-actions]

Objective

Ensure that fallback issues created when create_pull_request fails (push failure or PR API failure) always include the agentic-workflows label so they are visible to the triage/grouping system.

Context

Reported in issue #18980. When create_pull_request.cjs falls back to creating a GitHub issue (on push failure or PR creation failure), it uses only the workflow-configured labels. However, handle_agent_failure.cjs always adds "agentic-workflows" to failure issues, and ensureParentIssue() searches label:agentic-workflows to group failures under [aw] Failed runs. Without this label, push-failure fallback issues are invisible to the triage system.

Location

actions/setup/js/create_pull_request.cjs:

• ~line 726 — push failure fallback issues.create() call (labels: labels)
• ~line 1003 — PR creation failure fallback issues.create() call (labels: labels)

Approach

1. Add a constant and a helper function near the top of the file (or in the fallback section):

const MANAGED_FALLBACK_ISSUE_LABEL = "agentic-workflows";

function mergeFallbackIssueLabels(labels = []) {
  const normalizedLabels = labels
    .filter(label => !!label)
    .map(label => String(label).trim())
    .filter(label => label);
  return [...new Set([MANAGED_FALLBACK_ISSUE_LABEL, ...normalizedLabels])];
}

2. Replace labels: labels with labels: mergeFallbackIssueLabels(labels) at both issues.create() fallback call sites.

Files to Modify

• actions/setup/js/create_pull_request.cjs

Acceptance Criteria

• Push-failure fallback issues include agentic-workflows label
• PR-creation-failure fallback issues include agentic-workflows label
• The agentic-workflows label is deduplicated if it was already in labels
• Existing labels from workflow config are preserved
• Run make fmt-cjs and make lint-cjs after the change
  Related to create_pull_request / push_to_pull_request_branch: push failure misattributed as patch failure + fallback issues missing agentic-workflows label #18980

Generated by Plan Command for issue #18980

• expires on Mar 3, 2026, 4:46 AM UTC