[aw] Evergreen — PR Health Keeper failed

### Workflow Failure

**Workflow:** [Evergreen — PR Health Keeper](#)
**Branch:** main
**Run:** https://github.com/githubnext/tsikit-learn/actions/runs/27303105193

**⚠️ Code Push Failed**: A code push safe output failed, and subsequent safe outputs were cancelled.
**Code Push Errors:**
- `push_to_pull_request_branch`: Failed to push changes: pushSignedCommits: refusing unsigned push for branch 'autoloop/build-tsikit-learn-scikit-learn-typescript-migration': merge commit detected. GitHub's createCommitOnBranch GraphQL mutation cannot represent merge commits, symlinks (mode 120000), submodule entries (mode 160000), or executable bits (mode 100755). Rewrite the commits to use only regular files (mode 100644) with no merge commits, or set signed-commits: false if the repository does not require signed commits.

**⚠️ Engine Failure**: The `copilot` engine terminated unexpectedly.

**Last agent output:**
```
Tokens ↑ 21.9m • ↓ 176.9k • 21.3m (cached)
Failed to get response from the AI model; retried 5 times (total retry wait time: 89.98 seconds) (Request-ID 1be78f2d-ffae-4ec8-a035-243504a53788) Last error: CAPIError: 429 Maximum effective tokens exceeded (25059911.60 / 25000000).
Changes +78 -89
Duration 58m 35s
Failed to get response from the AI model; retried 5 times (total retry wait time: 104.53 seconds) (Request-ID d0da5bae-e156-44fd-8146-042ad39e3bf8) Last error: CAPIError: 429 Maximum effective tokens exceeded (25059911.60 / 25000000).
Changes +78 -89
Duration 1h 0m 32s
Failed to get response from the AI model; retried 5 times (total retry wait time: 95.69 seconds) (Request-ID ea52d3b1-8f57-417f-91ac-bd4c92b03709) Last error: CAPIError: 429 Maximum effective tokens exceeded (25059911.60 / 25000000).
Changes +78 -89
Duration 1h 2m 29s
```

### Action Required

**Assign this issue to an agent** to debug and fix the issue.

Debug with any coding agent

Use this prompt with any coding agent (GitHub Copilot, Claude, Gemini, etc.):

````
Debug the agentic workflow failure using https://raw.githubusercontent.com/github/gh-aw/main/debug.md

The failed workflow run is at https://github.com/githubnext/tsikit-learn/actions/runs/27303105193
````

Manually invoke the agent

Debug this workflow failure using your favorite Agent CLI and the `agentic-workflows` prompt.

- Start your agent
- Load the `agentic-workflows` prompt from `.github/agents/agentic-workflows.agent.md` or
- Type `debug the agentic workflow evergreen failure in https://github.com/githubnext/tsikit-learn/actions/runs/27303105193`

> [!TIP]
>
> Stop reporting this workflow as a failure
>
> To stop a workflow from creating failure issues, set `report-failure-as-issue: false` in its frontmatter:
> ```yaml
> safe-outputs:
> report-failure-as-issue: false
> ```
>
>

> Generated from [Evergreen — PR Health Keeper](https://github.com/githubnext/tsikit-learn/actions/runs/27303105193) · ● 225.5M · [◷](https://github.com/search?q=repo%3Agithubnext%2Ftsikit-learn+is%3Aissue+%22gh-aw-workflow-id%3A+evergreen%22&type=issues)
> - [x] expires on Jun 17, 2026, 9:14 PM UTC