[aw] Test Copilot Assign Milestone could not verify daily AI credits

### Workflow Failure

**Workflow:** [Test Copilot Assign Milestone](https://github.com/githubnext/gh-aw-test/blob/main/.github/workflows/test-copilot-assign-milestone.md)
**Branch:** main
**Run:** https://github.com/githubnext/gh-aw-test/actions/runs/34929829519

> [!WARNING]
> **Daily Workflow AI Credits Could Not Be Verified**: The agent was not started because the daily guardrail could not prove complete AI Credits accounting for earlier workflow runs.

**Guardrail status:** `transient_error`

**Reason:** Daily workflow AI Credits are unknown: Missing accounting for executed agent component in run 34927991036 (attempt 1, job 104250308119, conclusion success): agent/token_usage.jsonl is empty; agent_usage.jsonl is missing; agent_usage.json is missing

The guardrail fails closed either because a billable component's usage artifact is missing, empty, or unreadable, or because the guardrail could not reach the GitHub API to verify prior runs. The detailed reason above identifies the specific cause.

This means a billable component in a prior run completed without leaving a valid accounting record. Inspect the affected prior run and its component logs. Once that run leaves the rolling 24-hour window, the guardrail can evaluate the remaining runs normally.

### 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/gh-aw-test/actions/runs/34929829519
````

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` skill from `.github/skills/agentic-workflows/SKILL.md` or
- Type `debug the agentic workflow test-copilot-assign-milestone failure in https://github.com/githubnext/gh-aw-test/actions/runs/34929829519`

> [!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 [Test Copilot Assign Milestone](https://github.com/githubnext/gh-aw-test/actions/runs/34929829519) · [◷](https://github.com/search?q=repo%3Agithubnext%2Fgh-aw-test+is%3Aissue+%22gh-aw-workflow-id%3A+test-copilot-assign-milestone%22&type=issues)
> - [x] expires on Sep 22, 2026, 4:43 AM UTC

Start with .github/workflows/test-copilot-assign-milestone.md and the debugging guidance in debug.md. Inspect run 34929829519, then the affected prior run 34927991036 and its component logs, focusing on agent/token_usage.jsonl, agent_usage.jsonl, and agent_usage.json. Done means the billable component leaves valid accounting data and the daily AI credits guardrail can verify the workflow normally.

Written by the indexing model from the issue text.