Use a compatible model for Agentic Triage

[Copilot]

Agentic Triage terminated before producing output because claude-sonnet-5 was incompatible with the generated workflow’s model policy.

• Workflow configuration

  • Pin the Copilot engine to claude-opus-4.6, supported by both the integration and firewall policy.

  engine:
    id: copilot
    model: claude-opus-4.6

• Generated workflow

  • Regenerate issue-triage.lock.yml with the updated model configuration.

• Fixes [aw] Agentic Triage failed #11854

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).
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[Copilot]

🟢 Approval recommended

The model change is applied consistently in both the source workflow and regenerated lock file, with no remaining references to the incompatible model.

Pull request overview

Pins the Agentic Triage workflow’s Copilot engine model to one that is compatible with the generated workflow’s model policy, addressing the prior “engine terminated immediately” failure (Fixes #11854).

Changes:

• Update .github/workflows/issue-triage.md engine model from claude-sonnet-5 to claude-opus-4.6.
• Regenerate .github/workflows/issue-triage.lock.yml to reflect the updated model across metadata and runtime environment variables.

File summaries

File	Description
.github/workflows/issue-triage.md	Updates the workflow frontmatter to use claude-opus-4.6 for the Copilot engine.
.github/workflows/issue-triage.lock.yml	Regenerates the compiled lock workflow so all model references align with claude-opus-4.6.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Lite

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[azure-sdk-automation]

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