[q] Align agent-persona-explorer with issue-based reporting

[Copilot]

agent-persona-explorer was still carrying discussion-oriented workflow signals even though the report publication path is issue-based. This updates the workflow contract so optimization metrics and permissions match issue output semantics.

• Workflow contract updates
  • Switched experiment guardrail metric from discussion_created to issue_created in:
    • .github/workflows/agent-persona-explorer.md
    • generated .github/workflows/agent-persona-explorer.lock.yml
• Permission cleanup
  • Removed unnecessary discussions: read from agent-persona-explorer workflow permissions.
• Generated workflow sync
  • Recompiled lock workflow so runtime GH_AW_EXPERIMENT_SPEC and permissions reflect source-of-truth frontmatter.

# .github/workflows/agent-persona-explorer.md
experiments:
  sub_agent_strategy:
    guardrail_metrics:
      - name: issue_created
        threshold: "==1"

permissions:
  contents: read
  actions: read
  issues: read
  pull-requests: read

[Copilot]

Pull request overview

This PR updates the agent-persona-explorer workflow’s experiment and permissions contract to match its issue-based report publication path (instead of discussion-oriented signals), keeping the source .md workflow and generated lock file in sync.

Changes:

• Switched the experiment guardrail metric from discussion_created to issue_created in the workflow frontmatter and compiled GH_AW_EXPERIMENT_SPEC.
• Removed unnecessary discussions: read permission from the workflow (including the generated lock workflow).

Show a summary per file

File	Description
.github/workflows/agent-persona-explorer.md	Updates frontmatter permissions and experiment guardrail metric to align with issue-based reporting.
.github/workflows/agent-persona-explorer.lock.yml	Regenerates the lock workflow so compiled experiment spec and permissions reflect the updated source workflow.

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• Files reviewed: 2/2 changed files
• Comments generated: 0