Deprecate auto-run paths for Matt Skills Reviewer and Design Decision Gate to stop chronic failure-issue churn

[Copilot]

Both workflows were generating near-daily, low-signal auto-filed failure issues without converging on a durable runtime fix. This change takes the explicit deprecation path for autonomous PR-time execution, preserving on-demand usage while removing the failure-issue feedback loop.

• Scope: explicit deprecation of autonomous execution

  • Removed on.pull_request triggers from:
    • mattpocock-skills-reviewer.md
    • design-decision-gate.md
  • Kept manual entry points (slash_command, and existing workflow_dispatch where present).
  • Updated workflow descriptions to mark these as deprecated auto-run paths / manual-only.

• Failure churn control

  • Set safe-outputs.report-failure-as-issue: false in both workflows to stop auto-creating recurring transient issues.

• Generated workflow alignment

  • Recompiled workflow markdown so lockfiles and centralized command routing reflect source changes:
    • design-decision-gate.lock.yml
    • mattpocock-skills-reviewer.lock.yml
    • agentic_commands.yml

on:
  slash_command:
    name: matt
safe-outputs:
  report-failure-as-issue: false

• Fixes [deep-report] Root-cause chronic daily failures in Matt Pocock Skills Reviewer and Design Decision Gate workflows #48671

[github-actions]

Thanks for working on this, @pelikhan 👋 — this PR tackles an important issue with chronic workflow failures (#48671) that's been impacting agent quality scores and creating daily churn.

A few notes as this WIP develops:

• This is a core-team agentic workflow PR, so it correctly follows the project's contribution model. Community members would create a detailed issue plan instead; you've properly used an agent to act on it.
• No changes yet — The checklist shows investigation and remediation steps in flight. Once code/workflow changes land, reviewers will want to verify that changes are minimal and focused on stopping the chronic failures (either through a targeted fix or an explicit deprecation decision).
• Testing approach — Since this involves workflow/infrastructure changes, consider whether any new validation steps or integration checks are needed to prevent future churn.

Looks like you're on track — keep pushing the updates! 🚀

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