Add agentic workflow repo-assist

[dsyme]

This pull request was created with gh aw add-wizard from GitHub Agentic Workflows, version v0.87.4-219-g06672f586f.

Workflows

repo-assist

A friendly repository assistant that runs regularly (twice a day by default) to assist maintainers.
Can also be triggered on-demand via '/repo-assist ' to perform specific tasks.

• Labels and triages open issues

• Comments helpfully on open issues to unblock contributors and onboard newcomers

• Identifies issues that can be fixed and creates draft pull requests with fixes

• Improves performance, testing, and code quality via PRs

• Makes engineering investments: dependency updates, CI improvements, tooling

• Updates its own PRs when CI fails or merge conflicts arise

• Nudges stale PRs waiting for author response

• Takes the repository forward with proactive improvements

• Maintains a persistent memory of work done and what remains
  Always polite, constructive, and mindful of the project's goals.

• Source: githubnext/agentics/workflows/repo-assist.md@main

• Triggers: permissions, reaction (eyes), schedule (daily), slash_command, steps, workflow_dispatch

Options selected

• Delivery: pull request
• Engine: copilot
• Authentication: COPILOT_GITHUB_TOKEN repository secret
• Security scanner: enabled
• Stop-after guard: default
• Git attributes: enabled
• GitHub Agentic Workflows action reference: e95e552c9383da07df1cf6f2bbf0ca1fdce1336e
• Existing workflow files: overwrite confirmed
• GitHub App permission and event inference: enabled
• Repository initialization: .github/skills/agentic-workflows/SKILL.md, .github/agents/agentic-workflows.md, .github/mcp.json, .github/workflows/copilot-setup-steps.yml

Review criteria

• Confirm each workflow's source, description, and triggers match the intended automation.
• Review the workflow permissions, network access, tools, and safe outputs before enabling it.
• Verify the generated .lock.yml changes contain only the expected compiled workflow behavior.
• Confirm COPILOT_GITHUB_TOKEN is available to the repository; its value is not included in this pull request.

Forward progress

1. Review the changes against the criteria above; request or make changes in the Markdown workflow source, then recompile it with gh aw compile.
2. Merge this pull request to install the workflow. After merge, the add wizard will configure COPILOT_GITHUB_TOKEN when needed.
3. Monitor the first scheduled or manually dispatched run, then adjust the Markdown source and recompile if the workflow needs refinement.