[aw] Repo Assist failed

[github-actions]

Workflow Failure

Workflow: Repo Assist
Branch: main
Run: https://github.com/fsprojects/FSharp.Control.AsyncSeq/actions/runs/35002914803

Warning

Engine Failure: The copilot engine terminated unexpectedly.

Last agent output:

All planned work is complete. Summary of this run:
**Task 6 (Maintain Repo Assist PRs):** Fixed PR #342 (was showing `dirty` mergeable_state) by rebasing onto latest `main`, resolving a RELEASE_NOTES.md conflict, and pushing — verified 497/497 tests pass. PRs #343 and #346 were already clean, no action needed.
**Task 4 (Engineering Investments):** Opened a new draft PR bumping `actions/checkout` (v4→v7.0.1), `actions/setup-dotnet` (v4.3.1→v6.0.0), and `actions/setup-node` (v4→v7.0.0) in `pull-request.yml`/`publish.yml`. Build succeeds, 497/497 tests pass.
**Task 5 (Coding Improvements):** Opened a draft PR replacing the last remaining `ref` cell (in `AsyncSeq.mergeAll`'s counter) with a `mutable` local, matching prior modernization of `pairwise`/`distinctUntilChangedWithAsync`. 497/497 tests pass, no behavioral change.
**Task 11:** Updated the September 2026 Monthly Activity issue (#344) with current suggested actions and run history.
Only 1 open issue exists (the tracker itself), so no Task 1/2/3 candidates were available this run. Repo memory updated with current PR/attempt state.
Changes    +10 -11
Duration   7m 25s
Tokens     ↑ 5.9m (5.8m cached) • ↓ 25.1k
Resume     copilot --resume=003b522f-6d3a-481d-bc6a-3e1a5c73b106

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The failed workflow run is at https://github.com/fsprojects/FSharp.Control.AsyncSeq/actions/runs/35002914803

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• Type debug the agentic workflow repo-assist failure in https://github.com/fsprojects/FSharp.Control.AsyncSeq/actions/runs/35002914803

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