Auto-assign @copilot to workflow sync issues when agent token available

[Copilot]

The agentic maintenance workflow creates issues when workflows are out of sync but doesn't assign them to anyone. This adds automatic @copilot assignment when GH_AW_AGENT_TOKEN secret is configured.

Changes

• Maintenance workflow generator (pkg/workflow/maintenance_workflow.go): Pass GH_AW_AGENT_TOKEN as env var and github-token parameter with fallback to GITHUB_TOKEN

• Workflow sync checker (actions/setup/js/check_workflow_recompile_needed.cjs): After issue creation, check for token availability and assign copilot using existing assign_agent_helpers.cjs functions

• Graceful degradation: When token unavailable, issue creation proceeds normally without assignment

Example

- name: Check for out-of-sync workflows and create issue if needed
  uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd
  env:
    GH_AW_AGENT_TOKEN: ${{ secrets.GH_AW_AGENT_TOKEN }}
  with:
    github-token: ${{ secrets.GH_AW_AGENT_TOKEN || secrets.GITHUB_TOKEN }}
    script: |
      const { main } = require('/opt/gh-aw/actions/check_workflow_recompile_needed.cjs');
      await main();

Assignment failures log warnings without breaking the workflow.

Original prompt

If you update the code that checks whether workflows are in sync in the agentic maintenance workflow, and the workflows are not in sync, and the gh-aw-agent-token secret is available, then the workflow should automatically create an issue and assign it to @copilot.

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